OPERATORS_MANUAL_O-320-IO-320-AIO-320-LIO-320_OM

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MANUAL

ERAT EVI EVI

PUB UBLIC ICATIO

PUBLIC

IO

PUBLIC

IO

O,IO,AIO,LIO-320 60297-16-4

th

Operator’s

page(s) in this revision replace, operator’s manual. EVI

REVI

January 1977 ii, 1-5; 2-5; Section Index, 3-1, 3-7, 3-10, 3-11, 3-12, -1 333-15, 33-18, 3-19, Added pages 3-26, 3-27;

5-5;

-2

Ma 1980 1-5; 2-2, 2-5; 3-9, 3-10, 3-11, Added pages 3-2 3-29; 3-29; -5

January 1993 Section

Index, 4-2, 4-3, 4-4,

-5 5-7, 5-7, -8

60297-16

anu nual

ad

to

March 1973

delete current pages in

CURR ENT

April

EVI

1998

3-3, 3-4, Adds page 3-4A/B

AVCO LYCOMING WIL ILLIAMS

RT

VI

WARRANTY RECZPROCATING AIR IRCRAFT ENGN GNE

WHAT AVCO LYCOMING

RO MISES

BASIC WARRANTY:

Lycoming Williamsport Division, Avco Corporation (Avco Lycoming) w each a an reciprocating aircraft engine and each to be free replacement part therefor, sold by from defects in material and workmanship appearing ithin ith in calendar months from the date of first operation, excluding necessary aircraft acceptance testing. Avco

remanufactured

Avco Lycoming’s obligation exchange basis, of th engine

nde this

it choice of repair arrant shall be limited replacement, th replacement part, he Avco Lycoming ha part of he engine determined that th engine is defective in material workmanship. ou ll be reimbursed fo th charge for an

the engine

nection

abo

parts repaired replaced. Avco Lycoming il also reim urse ou for th costs forlabor in c o n repair replacement provided in Avco Lycoming’s then current emov oval and Installation llo anc Guidebook. it

th

An engine basic

arrant

part installed

during such repair

replacement

ll be

arranted fo th

emainder of th

period.

RO RATIO IONP N POLICY:

addition, Avco Lycoming determines that the engine proves to be defective’ in material workmanship during th period until th expiration of Avco Lycoming’s recommended Time Between ver erhau aul (TBO), hichev hichever er c c u r first, Avco Lycoming ll reim urse ou for pr years, t s portion (TBO minus hou ours rs of operation, divided by TBO) of the charge for th repair replacement (a it choice) it Avco Lycoming parts, of parts required to be repaired replaced, replacement engine, determines that engine replaceis required. Avco Lycoming’s obligation during th proration period does extend accessories, inlimited to magnetos, carburetors cluding fuel injectors, fuel pumps, starters, alternators an t u r bochargers an their controllers. Any engine part repaired engine proration period.

replaced

il

YOUR he engine Avco

Avco

tions Avco

have received normal

distributor Lycoming distribu

Lycoming’s

arrant

he part of Avco

Lycoming.

This

ithi

30

days

an

be entitled

LIGATI service.

of th

ou

proration

for th

remainder of th

NS u s

make

appearance of th

arrant nty claim

defect in material

it

authorized

workmanship.

does not c o v e normal maintenance he obligaexpenses or.consumable items. set forth above your exclusive remedy and th exclusive of

Lycoming

arrant

original

allocates the risk of product failure betwee

liability

ou and

vco

Lycoming,

per´•

-~dl´• mitted

by applicable law.

Lycoming reservesth right to deny an arrant nty claim if reasonably determines that th engine been subjected to accident used, adjusted, altered, handled, maintained stored other than directedin your operator’s manual. Avco

part ha

Avco

Lycoming

ma

change th

construction of

engines.at an time parts previously sold.

corporate such alterations in engines RRANTY

TATIO ION

EXCLUSIVE

EXPR PRES

BU

T E

WARR ANTIES

DEALING OR TRADE USAGE. THIS WARRANTY RIGHT

NEG LIG IGENCE

REPRESEN-

PART

SUCH CLAIM SHALL

TORT

AVCO LYCOMING,

CASE EXCEED

WHICH GIVES RISE

ALSO

PARPER-

LIEU

RIN CONTRACT CLAIM, WHETHERI

STRICT LIABILITY

to in

ORAL, NCLUDING

MERCHANTABI BILIT ITY R’F ’FIT ITNES IMPLIED WARRANTY ARISING FROM COURSE

OTHEROBLIGATION, LIABILITY, RIGHT

CLUDING

OTHE

incurring an obligation

STATUTORY, WHETHERWRITTEN

WARRANTY

TICULAR PURPOSE, FORMANCE

LIEU

IMPLIED

ithout ithout

TORT,

RIGHT ARISING FROM

AVCO LYCOMN MNG

PRICE ALLO CABL BLE

LIABILITY

ENGINE OR PART

CLAIM.

LIMITATION

LIA IABILITY

EVENT, WHETHER RESULT BREACH ALLEGWARRANTY, CONTRACT NEGLIGENCE. SHALL AVCO LYCOMN MNG LIABLE SPECIAL CONSEQUENTIAL OTHER DAMAGES, NCLUDN DNG LIMITED L O S S PRO FIT OR US REVENUES, LOSS ENGINE OR COST REPLACEMENT. agreement varying this

Lycoming unless

Effech’ve June 14

in

arrant

writing signed by

1985

Avco

duly

il be binding Lycoming’s obligations under representative of Avco Lycoming,

authorized

upon Avco

evision evision

Auco

Lycoming Williamsport l)ivision Williomsport, Pennsylvania

AVCO LYCO MIN ING WIL ILLTAMSP

RT

VI

WARRANTY REPLACEMENT

AR

ECI

CATI

AI

CRAFT ENGINE

WHAT AVCO LYCOMN MNG RO MISES BASIC WARRANTY: Avco Lycoming Williamsport ivision. ivision. Avco Corporation (Avco Lycoming) warrants each to be free from defects in material an workmanship reciprocating aircraft engine replacement part sold by calendar months from it da of first operation. appearing ithi Avco Lycoming’s obligation under this w a exchange basis, of th replacement part, when

shall be limited to it Avco

Lycoming ha

choice of repair

determined that th

replacement, part is defective in

ll be reim eimbursed for the charge for th part workmanship. ou parts repaired replaced. ll also reim urse ou for th costs for labo or r in connection it th repair Lycoming replacement val an Installation Labor Allowance provided in Avco Lycoming’s then urren emova uide debook. material Avco

Any part

so

repaired

il

replaced

be

arrant nted ed for th

remainder of the

basic

arrant

period.

RO RATIO ION POLICY:

addition, for ITBOI, years,

period until hichever hichever

he

expiration

of Avco

th

recommended Time Between

ver erh haul

hich th replacement part is in Lycoming engine in hich ll reim stalled, Avco Lycoming eimburs rse ou for pr rats portion (TBOminus hou ours rs of engine operation divided by TBO) of th charge for he repair Avco Lycoming part, of parts required replacement it be repaired replaced, if Avco Lycoming determines that he replacement part is defective in material workmans~ip during th proration period. Avco Lycoming’s obligation during th proration period does not extend limited accessories, including fuel injectors, fuel pumps, magnetos, carburetors starters, alternators and turbochargers an their controllers.

An part period.

repaired

c c u r

replaced

first,

Avco

ill be entitled to

proration

fo th

remainder of th

tion

YOUR he engine in make

arrant

defect in material Xvco

tions Avco

replacement part

hich hich th claim

it

is installed

authorized Avco

u s

NS

have received normal

Lycoming distributor

workmanship.

30

an

days of th

service

ou must

appearance of th

Lycoming’s th

c o v e normal maintenance arrant does consumable items. he obligaexpenses part of Avco Lycoming set forth above your exclusive remedy an th exclusive liability of

Lycoming. This arrant nty allocates by applicable law.

th

mitted

Avco

LIG IGATI

original engine prora-

I~ycoming

e s e r v e sth

part has been subjected

right

accident

to

deny

risk of product failure between

ou an

Avco

Lycoming,

per-

arrant nty claim reasonably determines that th engine used, adjusted, altered, handled, maintained stored other than

directed in your operator’s manual. Avco Lycoming ay change he construction of it engines an time incorporate such alterations in engines parts previously sold.

THISWARRANTY

EXCLUSIV

TATIONS, EXPRESS LIMITED

IN LIEU

incurring an obligation

OTHERWARR ANTIE IES

REPRESEN-

STATUTORY, WHETHERWRT RTTENOR ORAL, NC LUDING

WARRANTY

MER CHAN TABIL ILITY OR FIT ITNES ARIMPLIED WARRANTY ARISING FROM COURSE OF PER´•

TICULAR PURPOSE, FORMANCE

AN

IMPLIED

ithout ithout

DEALING OR TRADE USAGE. THIS WARRANTY ALSO IN LIEU LIABILITY, RIGHT OR CLAIM, WHETHER CONTRACT INTORT, RIGHT STRC RCT LIABILITY TORT OR RIGHT ARISING FROM

OTHEROBLIGATION,

CLUDING NEGLIGENCE

SUCH CLAIM SHALL

WHICH

PART OF AVCO LYCOMING

CASE EXCEED

VES RISE

CLAIM. LIMITATION

EVENT, WHETHER

RESULT

NEGLIGENCE, SHALL AVCO LYCOMING OTHER DAMAGES, NC LUDN DNG REVENUES, LOSS OF ENGINE agreement

Lycoming unless

Effective J~ne 14

AVCO LYCOMING’S LIABILITY

PRICE ALLO CABL BLE

ENGINE OR PART

LIABILITY

BREACH

LIABLE

WARRANTY, CONTRACT OR ALLEGSPECIAL OR

LIMITED AIR IRCR AFT

COST

LOSS

CONSEQUENTIAL PRO FIT ITS OR

REPLACEMEN T.

varying this arrant Avco Lycoming’s obligations under nty ll be binding in writing signed by duly authorized representative of Avco Lycoming. 1985

upon Avco

evision evision

Auco

ivi sio Lycoming WiNiamsport ivisio Williamsport, Pennsylvania

dlAEVeO

LYCOMING OPERATOR’S MANUAL

ATTEN TI

OWNERS, OPERATORS,

NN

ENANC

th engine, it description operator’s manual contains operate an maintain detailed information pecifications, an th be required in conjunction it Such maintenance procedures that intended fo se by periodic inspections ar also included. This manual is Avco maintenance personnel responsible for owners, pilots an odifications and repair procedures ar Lycoming powered aircraft. contained in Avco Lycoming overhaul manuals; maintenance personnel these fo such procedures. should refer This

SAFETY WARNNG

Neglecting maintenance

follow procedures

operating

instructions

carry

Periodic

result in poor engine

po performance manual this in specified

er

speed limitations if po er engine an personal injury reason; damage exceeded, for approved maintenance facility. happen. onsult your local loss. Also,

SERVICE BULLETINS, INSTRUCTIONS,

LETTERS

time information contained in this manual is up-to-date Although later information keep abreast publication, ser ar urged Service Letters through Avco ~ycoming Service Bulletins, Instructions from Avco Lycoming distributors available from hich ar

factory by subscription. Consult L1~4 fo subscription information.

latest edition of Service Letter

ECIAL NO

illustrations, pictures an drawings show in this publication be instance they they portray; in subject typical part thereof. interpreted as examples of an specific engine, equipment

ii

Revised January, 1977

LYCOMING OPERATOR’S MANUAL

IMPORTA~T SAFETY

Proper operation

by

Avco

Lycoming fo

recommended.

important various Warnings

effective methods fo

is also

Accordingly,

performing

service opera-

improper render

understand that these

inclusive. Avco

be done

recommended

Lycoming publications contain hich must be carefully read in order

autions

personal injury ay damage engine

important

advise

procedures

note that most Avco

risk

methods that

service

safe, reliable

these service operations require tools specially task. These special tools must be used when

is

minimize

increase

essential

aircraft engines.

tions. Some

designed

repair is

service

TICE

service trade

LYcoming could conceivable

no

service

unsafe.

Warnings possibly know,

ys in

autions evaluate

hich service

possible hazardous consequences that

might

ay be involved.

procedure must first satisfy themselves thoroughly that neither their safety aircraft safety ll be jeopardized by service procedure they select. anyone

u s e s

service

OPERAYOR’S A1ANUAL

LYCO ~I

TABLE OF CONTENTS

Page SECTION

ES CR TI

ECTI

ECFICATI

ECTI

ERAT

ECTI

ER

2-1 TRUCTI

3-1

INSPECTIONS

4-1

SECTION

MAI TENAN CE PROCEDURES

5-

SECTION

TROUBLE--SHOOTING

6-

ECTI ECTI

TALLATI TABLE

STORAGE

7-1 8-

LYCOMING OPERATOR’S MANUAL

EX

ILLUSTRATIONS

Figure Number

Title

/4

ef

Front View

Rear View

3-1 3-2

3-3 3-4 3-

3-6 3-7

3-8

3-10 3-11

3-12

0-320

Typical IO-320-R Series ef Rear View Typical 0-320 3/ Fuel Graph, ffect ir at Cylinder Head Temperatures, etc. Level Power Curve 0-320-A, -E Series Level

0-320-A,

Altitude Performance Curve -E Series

Part Throttle Fuel Consumption Curve 0-320-A, -E Series Level Power Curve 0-320-B, -D Series evel

0-320-B,

Altitude Performance Curve -DSeries

Part Throttle Fuel Consumption Curve IO-320-A, -E Series evel

IO320-

3-9

TSlpical

Page

Altitude Performance Curve

Series

evel

Altitude Performance Curve IO-320-E Series

Part Throttle Fuel Consumption Curve IO-320-B Series evel

Altitude Performance Curve IO-320-B Series Part Throttle Fuel Consumption Curve 10-320-0 Series

3-13 -1

5-2

5-

7-1

Level

Altitude Performance Curve IO-320-C Series

Ignition Wiring Diagram Ignition Wiring Diagram (O tionai) ocatio

of Shims Bet ee

Cylinder Barrel. Sequence in Cylinder ld ut Fuel Metering Systems

v l l l

ix

3-14 3-15

3-16 3-17

3-18 3-19 3-20

3-21

3-22

3-23 3-24 3-25 3-26 5-2

5-3 Plates

Tighten5-12 7-6

LYCOMING OPERATOR’S MANUAL

EX

LLUSTRATI

(CONT.)

Figure umber

7-2

7-3 7-4 7-5

7-6 7-7

7-8 7-9

Title Fuel

Metering Systems Magneto Connections il Cooler onnections Optional Installation Drawing ef Side View Typical 0-320-A, -B Series Installation Drawing View Typical 0-320-A, -B Series Installation Drawing Left Side View Typical O-320-D, -E Series Installation Drawing View Typical 0-320-D, -E Series Installation Drawing ef Side View Typical IO320-

7-10

Page

Installation

Series

Drawing

IO320-B Series

7-7

7-8 7-9

7-10 7-11

7-12 7-13 7-14

ea

View

Typical 7-15

c,

70

3/4

ef

Front View

Typical 0-320 Series

c,

ia

ea

View

Typical

IO -320-

Series

3/4 Left

ea

View

pica 0-320 Series

ECT

ES

LYCOISIING OPERATOR’S MANUAL

L27rz~VCO

ES CR T)

Page General

Cylinders ~alve

Operating

echanism

.1-1

Crankcase

. 1

Crankshaft

.1-2

Connecting Pistons

.1-2

Accessory Housing il

Sump

Cooling System Induction System ubricat on System

.1-2

Priming System

.1-4

Ignition System Model Application

.1-4 Table

.1-2 .1-3

.1-5

LYCOMING OPERATOR’S MANUAL

~PNCQ

SECTION

10-320 SERIES

0320

SECTION

DESCRIPTION LIO-320 series ir cooled engines.

an

0,

horizontally opposed, referring

th

location

th

four

ar

various

cylinder,

drive,

direct

engine components,

parts airframe.

th engine as installed in described in their relationship accessory th front an Thus, th po er take-off nd is considered bottom an considered nd sump section is drive located top. engine where th shroud tubes ar opposite side th th observer facing th left an right side is made Reference rear, cylinders ar numbered from front th engine. e a rotation direction th left. numbers right, even numbers ar

fo

accessory drives is determined

direction

rotation of

observer

th

drive

facing

crankshaft, viewed

pad.

rear, is

from

clockwse NOTE

L letter "

Example: crankshaft. Therefore. crankshaft. Likewise, opposite those of basic model.

v es e rotation

model prefix denotes

rotation

of

th

as clockwise rotation as counter-clockwise rotation th LZO-320-C accessory drives of

model IO320 IO320-

of of of

basic model

Operational aspects of both engines basic model specifications for

listed in a m

ll

apply

ect on

an

of this

manual.

performance model

th

v e s v es e

rotation,

Cylinders

cylinders ajor rt head an

heads

made from

ar

combustion chamber.

conventional

ir cooled construction

shrunk together. barrel, screwed th fully machined aluminum alloy casting th ocke shaft bearing supports ar cast integral

head along with housings

form

rocker boxes fo

both valve

from chrome nickel

hich ar machined cylinder barrels, fins an ~r´•i:´•udenum steel forgings, have deep integral cooling specified finish. barrels ground an honed rockers.

th

inside

1-1

a7AVCO

OPERATOR’S MANUAL

LYCO

0-320

SECTION

10-320 SERIES

conventional type camshaft is located echanism I/alve Operating camshaft actuates hydraulic crankshaft. above an parallel valves through push rods an valve rockers. tappets hich operate valve springs full floating steel shafts. valve rockers ar supported

bear

against hardened

steel seats an

ar

retained

crankcase assembly consists a n s alloy castings, fastened together by castings ar joined mating surfaces

reinforced aluminum

Crankcase

bearing

valve stems by

split keys.

a n s

and

th

main

bearing

bores ar

machined fo

studs, bolts an thout th se

se

nuts.

gasket,

precision type

main

inserts.

Crankshaft steel forging.

chrome nickel

crankshaft is made from

bearing journal surfaces

ar

molybdenum

nitrided.

connecting rods ar made in th form sections from alloy steel forgings. They have replaceable bearing inserts in bearing crankshaft ends an bronze bushings in th piston ends. bolts and nuts through th crankshaft ends ar retained by caps

Connecting

each cap.

piston pistons ar machined from an aluminum alloy. th th pin. full floating type plug located in each in is employ either half cylinder assembly, pistons Depending Service Instruction full wedge rings. Consult th latest revision wedge o. 1037 fo proper piston an ring combinations.

Pistons

accessory housing is made from an aluminum Accessory Housing crankcase an top ea is fastened e a casting various accessory drives. oi pump and forms housing fo sump.

il drain plug, sump incorporates Sump (Except -AIO Series) intake fuel injector, fo carburetor oi suction screen, mounting riser an intake pipe connections. il

ar o employed (-AIO Series) Crankcase c th and bottom engine. These covers incorporate il suction to c o connections. incorporates to screens, oi scavenge

Crankcase Covers

connection fo suction line.

breather line and

lower

c o

connection fo

il

LYCOMING OPERATOR’S MANUAL

V C O

10-320 SERIES

0-320

Cooling System

Baffles

These

SECTION

engines

provided

designed

ar

be cooled

by

pressure and force

uil

ai is then exhausted cylinder fins. e a augmentor tubes usually located

ir pressure.

through th atmosphere through gills th cowling. ir

th System Avco Lycoming 0-320 series engines ar equipped float type carburetor. Particularly good distribution fuel ir mixture each cylinder is obtained through th center n e induction hich is integral th th il sump and is submerged in oil, system, uniform vaporization fuel oi insuring aiding in cooling

Induction

sump. From th

in

cylinder by

riser th

each

ir mixture is distributed

fuel

pipes.

individual intake

th Lycoming 10-320 series engines ar equipped fuel injector. fuel injection system schedules ir flow fuel vaporization takes place proportion Avco

Bendix

type

flow in

fuel

intake

ports. P;brief

el

float

barrel

id

th

description

carburetors an

MA-4SPA

he le

type equipped

A-

th

fuel

injectors

ollows:

carburetors ar

mixture

manual

th

control

single

an

an

t-off.

type fuel injection system is based principle flow ir flow th ir in stem measuring using signal type regulator convert fuel force. ir force into force fuel hi (fuel pressure w h e n applied across th fuel metering section (jetting system) differential) Bendix

makes fuel flow idle-cut-off

proportional

manual mixture control and

ir low

provided.

ubricat on

lubrication system is System pressure sump main bearings, connecting type. bearings, camshaft bearings, valve il a n s tappets, push rods an crankshaft idler gears ar lubricated by collectors

housing,

through

draws oi

s c r e e n located

passage in external

il pump, hich is located in drilled passage leading from

spray.

in

accessory

housing,

il cooler.

Pressure oi

from

accessory

accessory

an

screen

housing

il

drilled il

th

obstruction should

oi cooler bypass valve is

cooler returns

housing from

oi pressu

flexible line leads

here

cooler,

il suction

pump then enters

event that cold

flow of oi

restrict

il from

sump.

accessory

second th eade

provided.

connection

drilled passage conducts th oi hich is contained in cast chamber located hich

below th

point

tachometer drive.

1-3

OPERATOR’S MANUAL

LYCO MI

10-320 SERIES

0-320

ECTI

il filter from il pressure screen is provided have passed through th suction screen in that

particles After being filtered

in th

pressure

screen

chamber, th

il relief valve, located in th th drilled passage th accessory housing. crankcase in front

regulates th

This relief il

to th

et

sump,

main oi

this

gallery in main gallery,

right

engine

th

half

th

by

through

by allowing excessive

a n s

th

il is fe

pressure

crankcase. During it

is distributed

sump.

side

upper

il pressure

balance

hile

il is fe

solid

travel

through

separate drilled

th crankshaft. Separate passages from th main bearings passages both crankshaft idler gears. rearmain bearings supply pressure oi th journals. il Angular holes ar drilled through th main bearings

th an valve gear passages, an gallery also lo th hydraulic tappets and is then conducted through branch passages il enters camshaft bearings. tappets through indexing holes an valve mechanism, th hollow push rods travels ou through alv stems. Residual il from th valve rocker bearings an lubricating rocker boxes is returned by gravity bearings, accessory drives an is again circulated screen th sump, where after passing through th crankcase is held thi engine. Pressure uil through breather located minimum by a n s accessory housing. from

main

il

addition, model il jets furnish an

Priming System employing

IO320il spray

Provision fo

carburetor. Fuel

crankcase. incorporates il jets in provide internal cooling fo th pistons.

1A

primer system injected engines

is

provided no require

engines

priming

system.

Ignition System Table

fo

model

ignition is furnished by application. Bendix magnetos ua

magnetos. Consult ar permit designed lick Electro magnetos ar designed

periodic internal maintenance; hours operate fo approximately

1-4

thout internal maintenance.

LYCOMING OPERATOR’S MANUAC

~7AVr 0-320

10-320

ERIES

ECTI

MODEL APPLICATIO odel

Left

Right

Height

Width

Length

S4LN-21 S4LN-21 S4LN-21

S4LN-20

22.99

32.24

29.56

22.99

32.24

29.56

22.99

32.24

29.56

22.99

32.24

29.81

22.99

32.24

29.56

22.99

32.24

29.56

22.99

32.24

29.56

22.99

32.24

29.81

22.99

32.24

29.56

S4LN-204

22.99

32.24

29.56

S´•QLN-1209

22.99

32.24

30.70

22.99

32.24

30.70

22.99

32.24

29.56

22.99

32.24

29.81

0-320

-A1A, -A1B -A2A*, -A2B* -A3A, -A3B -A2C*, -A3C

S4LN-204

-B 1A -B1B

-B2A*, -B2B* -B3A, -B3B -B2C*, -B3C A" -D1A, 2B -D1B, -D1C, F* -D1F, -E 1A 2A* -E1B, -E2B* -E1C, 2F" -E1F, -E2D*, -A2D*, 3G -D2G,

S4LN-21

S4LN-204

S4LN-1227 12

LN

S4LN-200 S4LN-1227 S4LN-1227

S4LN-204 S4LN-1209 S4LN-1209

22.99

32.24

30.70

22.99

32.24

30.70

4051

4050

22.99

32.24

29.05

4051

4050

22.99

32.24

29.05

4051

4050

22.99

32.24

29.05

22.99

32.24

29.56

-E2H*, 2J

4051

4050

19.22

32.24

31.82

4251

4251

23.00

32.24

29.05

S4LN-204

19.22

32.24

33.59

19.22

32.24

33.59

19.22

32.24

33.59

S4LN-20

19.22

32.24

32.09

S´•QLN-1 209

19.22

32.24

32.09

19.22

32.24

33.59

S4LN-1209

23.18

32.24

30.70

4050

23.18

32.24

29.05

23.18

32.24

29.56

10-320 2A* -A1A, -B1A, -B2A* -B1B

-B

LN

-B 1D

4LN

08

1A

-D1A, -E2B*

4051

-E1A, Fixed Pitch evised

Propeller.

May, 1980

1-5

~QAVCO

OPERATOR’S MANUAL

LYCO

0-320

SECTION MODEL

APPLICATION

(CONT.) mensions

Magnetos odel

10-320 SERIES

Length

Right

Height

dth

S4LN-1209

20.76

32.24

30.08

S4LN-1227 S4LN-1227 S4LN-1227

S4LN-1209 S4LN-1209 S4LN-1209

20.76

32.24

30.08

20.76

32.24

30.08

25.57

32.24

30.08

S4RN-21 S4RN-21

S4RN-20 S4RN-21

19.22

32.24

19.22

32.24

33.59 33.59

ef

IO32

2A" -A1A, -A1B, -A2B"

-B1B 1B

IO32 -B1A -C1A f:

Fixed Pitch

1-6

Propeller

ECT

ATI

tYCOWltNG OPERA-TOR’S MANUAL

ECFICATI

Page .2-1

Explanatory Specifications

0-320-A, -B -D -E Series -D Specifications- IO-320-A, -B 0-320 Series -E Series; AIO-320;

.2-3

Accessory

.2-4

ri

DetailWeights

at

.2-2

5

OPERATOR’S MAN

LYCO 0-320

SECTION

10-320 SERIES

ECTI

SPECI

CAT

this section th following pages specifications show divided according model designation. When differences among models than model be specifications of learl tated, combined in single group; otherwise, each model as it specifications this series, listed separately. Also, as additional models ar added models ll be specification pages containing data pertinent model

added.

2-1

LYCOMING OPERATOR’S MANUAL 0-320

ECTI

10-320

ERES

ECFICATI

0-320-A, -E

te

te

ERES

i ct e Type horsepower .. .. ..

..2700 . . . . . . . . . . . . . . . . . _ 5.125 inches . . . . . . . . . _

speed,

Bore, Stroke, inches Displacement, cubic

..3.875

7.0:1 Compression ratio . . . . . . . . . _

Firing Spark occurs, degrees

Valve rocker clearance

Propeller Propeller

3 2 4 .2

(hydraulic tappets collapsed.

..028-.080

1:

drive ratio drive rotation (viewed from

0-320-E2A an

s e

) .

-E2C have alternate rating

14

at 2450

ECFICATI

0-320-B,

te te

**

ERES

Type ertif cate. horsepower

. . . . . . . . . _ .160

speed,

...5.125

Bore, inches Stroke, inches

3.875

...319.8 s . . Displacement, cub in . .. .. .. . . 5 : 1 Compression ratio ....1-3-2-4 Firing order.. . 2 Spark occurs, degrees alve ocke clearance (hydraulic tappets coilapsed)......... .028-.080 . . . . . . . . . . . . t i o Propeller drive Propeller drive rotation (viewed from re r)............ ...Clockwse 0-320-

25

as alternate rating

150

at 2500

an

155

at 2600

2-2

evised

May,

iuaO

LYCOMING OPERATOR’S MANUAL 0-320

10-320

SERIES

SECTION

SPECIFICATIONS IO-320-A, -E SERIES Type ertificate Rated horsepower

Rated

speed,

1E12 15

PM

.2700

Bore, inches Stroke, inches

5.125 3.875

Displacement, cub Compression ratio Firing order Spark

occurs,

inches

319,8 7.0:1

1-3-2-4

degrees

Valve rocker clearance (hydraulic tappets

25

collapsed)

Propeller drive ratio Propeller drive rotation (viewed from rear)

.1:1

,Clockwise

ECFICATI

IO-320-B,.C, -D AIO-320;

te

IO

Type ertif cate horsepower

ated

speed,

1E12

16

PM

.2700

Bore, inches Stroke,inches Displacement, cubicinches Compression ratio

Firing

5.125 3.875 319.8

8.5:1

order"

occurs, degrees Valve rocker clearance

1-3-2-4

Spark

Propeller Propeller

drive ratio

25

(hydraulic tappets collapsed)

drive rotation

IO32 IO32

IO32

SERIES

,1:1

(viewed

from

Series

rear) lockwse

Series Series Only

,,028-,080

,Counter-Clockwise

Firing

rd

1-4-2-3

2-3

LVCOMING OPERATOR’S MANUAL SECTION

0-320

"Accessory

ri

at

13.556: 16.556: 1.910: 2.500:

tarte tarte enerator enerator

Alternator

3.250:

Tachometer

0.500:

1.300:

Pump

Prop.

Accy. Hsg.

Crankcase

ounted

Pump AN20 03 Fuel Pump- Plunger operated Fuel

ounter-

lockwse lockwse

Clockwise Clockwise lock

se

Clockwise ounter-

lockwse

0.866:

lockwse

0.895:

lockwse

1.000:

ounter-Clockwse

rive

Hydraulic Pump Vac. Pump -Prop. -When Vie

2-4

ounter-Clockwse

0.500:

Vac.

NO

otation

AN 20 10

ounte

ua

rect on

.000:

Magneto Vacuum

"~

10-320 SERIES

1.300:1

ounter-Clockwse

1.300:

ounter-Clockwse

applicable. facing drive pad.

ed

that

IO32

Series

engines

ll have opposite rotation

above.

LYCOMING OPERATOR’S MANUAL

~ A

10-320

0-320

ECTI

ERES

ETAI

Engine, Standard

WEI

HTS

ry Weight

injector, magnetos, spark plugs, ignition harness, intercylinder baffles, tachometer drive, starter and generator th mounting generator (alternator) (alternator) drive, starter Includes carburetor

fuel

bracket,

0-320-SE E -E2D, -E3D, 1A, -A1B, -A2A, -A2B, -A3A, -A3B, -A2C 1A, -E2A, -E1B, -E2B, -E1C, -E2C -A3C, D

. .. .. .. .. .´ • ´• ´ • ´• ´ •

-B2C, -B3C, -D1B, -D2B, -E1F, -E2F BLA, -B1B, -B2A, -B2B, -B3A, -B3B -A2D, -D1A, -D1C, -D2A, ´ •´ •´ •´ • -D2G, -D

Ibs.

2751bs.

2811bs. Ibs. 285 Ibs,

10-320

ERIES

Ibs,

-A1A, -A2A -B1B, -E1A, -E2A, -E2B -B1A, -B2A, -B1C, -B1D

Ibs. 28

AIO 20

-A 1A ,-A2 .... ... ... ... ´• ´• ´• ´• ´•´ • ´• ´• ´• ´• ´• ´• ´• ´• ´• ´• ´• ´• ´• ´•´ • ´• ´• ´• ´• ´• ´• ´•´ • ´• -A1B, -A2B, -B1B, -C1B

Ibs,

2911bs. Ibs.

´ •´ •´ •

1A.

Revised May, 1980

272 Ibs.

Ibs.

BF

D A, -

Ibs.

Ibs.

1D

1F,-

26

ERES

Ibs, Ibs.

2-5

ECT

ER

INSTRUCTIONS

7 A V C O

OPERATOR’S MANUAL

LYCO

ER TI

UCT

Page General

.3-1

Prestarting

Items of Maintenance

.3-2

Starting Procedures

.3-2

Cold Weather

.3-4

Starting

roun

Running an

roun

Check

Warm-Up

.3-4

Operation in Flight Fuel

xture

thout Alternate

.3-5

Leaning Procedures

Gage Gage

th

Operating Engine

ut

.3-5

.3-6

lo

mete

etho

Carburetor Heat Control

Engine Flight

.3-4

.3-7 .3-7

.3-8

Chart

3-10

onditions

3-10

wn

Performance Curves

3-12 3-14

OPERATOR’S MBNUAL

LYCO MI

SECTION

10-320 SERIES

0-320

SECTION TRUCT

ERAT 1.

Close

GENER

long life,

contribute

these

to

adherence

satisfactory operation of

economy an

WARR ANTIES THAT

ECTED

TI YOUR ATTEN

THIS MANUAL REGARDNG ENGNE

FRONT

APPEAR

LUBRICANTS,

SPECIFIED

SPEED,

OTHER ITEM

PERHAPS

ALTERATI

EPA

greatly engine.

ll

instructions

MAINTENANCE CO TRIBUTES PUITE LIFE FORMANCE TI FACTOR

ERATI

ENGNE

CORRECT ENGNE

MAI

ERATI

YOUR

WILL

WARRANTY

WARRANTY

YOUR ENGNE AFTER

LIFE

SHORTEN

1/010

YOUR

ECFICATI

TENANC

ONLY

ENGNE WILL

LATI

THAT

FORGET

ENGNE.

T A L L CRAFT A

WER RANGE SPECIFIED

EED

TIMES WITHIN

AI

FLYING

TIMING,

OIL,

FUEL

CORRECT GRADES

CONSTANT

ASSED

ER

Lycoming break-in is necessary insofar as operation is newly overhauled engines should be operated until il consumption 50 hours minimum straight mineral il fo il an approved additive change as stabilized. After this period,

engines have further therefore, concerned; however,

be made, if

so

been

carefully

run-in

by

Avco

desired. NOTE

Cruising sh accumulated

done

65

po

consumption

oi

as stabilized. This is

rings alzd is applicable seating following cylinder replacement minimum fuel octane this s~ction.‘Under

automotive fuel

e n s u r

engines

engines, overhaul is listed in th

flight chart,

circumstances should fuel of

(regardless

Revised January, 1977

rating

hours ha

total

er until

octane

proper

in service

cy[indevs. Part 10

lower octane

rating

rating) be used.

3-1

OPERATOR’S MANUAL

LYCO

SECTION

10-320 SERIES

0-320

2.

ITI~1/1S

aircraft engine fo

first

OI´•’

Before

flight

starting th

several items day, inspection performed. These ar described in ect on under Daily Pre-Flight Inspection. They must be observed before th engine is started.

maintenance

3.

~’A

there

that should be

7’IN

CiEI)

I~S.

following starting procedures starting

characteristics

variation from these

various

recommended, however,

ar

installations

will

necessitate

procedures. NOTE

C’ral2kill~ periods IZ2ZISt be linzited (10) Jive (5 n2inute rest et ee cranking periods. Carbureted

(1

position.

et propeller governor control in "Full

M"

applicable). (4 Turn

Move mixture control

(6

Turn

"Full

ch

boost pump.

(7 Open throttle approximately 1/

(9

th

Prme

electric

strokes

seconds.

magneto

selector swtch

(10) Engage

(12)

When

3-2

priming

(Consult

pump

activate

airframe manufacturer’s

position).

starter.

engine fires il

Check

indicated

travel.

manual

primer fo

handbook fo correct

(11)

position (where

fuel valves "O

(5

(8

th

pre-flight inspection.

carburetor heat control in " o

(3

(12) seconds

I’llginczs (Cold).

Perform

(2

twelv

thi

"Both"

magneto swtch gage.

minimum

thirty seconds, stop engine and

il

pressure

is

determine trouble.

Revised january, iu77

MI TEXTRONLYCO

0-320

10-320

MANUAL

ERAT

ECTI

ERES

NOTE

normal start, a s s u m it to standard clearing procedure, then

achieve

engine fails be flooded an

repeat above steps. b. Carbureted

Engines (Hot). Proceed

as

outlined above

omitting th

priming step. c.

Fuel Injected Engines (Cold).

(1

Perform

pre-flight inspection.

o alternate air control in "

(2

propeller applicable).

position.

governor control in "Full

M"

position (where

Turn fuel valve "O ".

(5

Turn boost pump "O ".

ch "Full mixture control o Open throttle de open, m until slight secsteady fuel flowis not (approximately onds) then return throttle "Closed" an return mixture control

"Idle

ut-

".

Turn boost pump "O

(8 Open

throttle

travel.

/4

magneto selector switch. handbook fo correct

(10) Engage (11)

When

(12) Revised

April

position.)

(Consult

airframe manufacturer’s

starter.

engine

fires

mixture control

1998

th

magneto switch

slowly an smoothly

"Both".

"Full Rich".

-3

TEXTRONLYCOMI

0-320

ECTI

(13)

MANUAL

ERAT

Check

cated

thi

il pressure gage.

minimum

10-320

ERES

il pressure is no indi-

thirty seconds, stop engine an determine trouble. th fact that th fuel percovapor, it is recommended that

d. Fuel Injected Engines (Hot). Because

lates an th

a m

th system must be cleared procedure be us as outlined fo cold

COLD WEATHER S114RTING.

preheat

be necessary

th

engine

GROUND RUNNNG

engines pend

th

ticular

ground. precautions

During extreme il before

an

WAR

cold

start.

weather, it

ay

starting.

UI

air-pressure

covered in this manual

orward speed of th

engine

cooled an

aircraft to maintain proper

de

cooling. Par-

is necessary, therefore, when operating these engines th prevent overheating, it is recommended that th following be observed. NO

ground

requires full

check that

must be limited

less ifth indicated

three minutes,

cylinder head temperature

throttle operation

should exceed th

maxi-

stated in this manual. a.

Head th aircraft into th

b. Leave mixture in "Full

Operate only

th th

nd ch".

propeller

Warm-up approximately ling an do no exceed 2200

d.

e.

Engine

is

thout th

enough fo engine faltering.

in minimum blade

1000-1200

take-off

th

angle setting.

Avoid

prolonged

id

ground. en th

throttle

be opened

GROUND CHECK: a.

-4

Warm-up as directed above. Revised

April

1998

TEX ~R

0-320

LYCO MI

10-320

b. Check both

OPERATOR’S MANUAL

ERES

il pressure an

Leave mixture in "Full

ECTI il temperature.

ch".

(Where applicable.) Move th propeller control through it o m check operation an return full plete range pitch position. Full feathering check (twin engine) th ground is no recommended bu th feathering action be checked engine be running tween 1000-1500 RPM; then momentarily pulling th propeller c o n trol into th feathering position. no allow th drop d.

than 500 e.

proper magneto check is important.

dditional factors, other than

th

ignition system, affect magneto drop-off. They load-power output, propeller pitch an mixture strength. important thing is that th engine u n smoothly because magneto drop-off is affected

by

th

variables listed above. Make th

th th

magneto check in accordance

following procedures.

Added April 1998

3-4A/B

LYCOMIN@ OPERATOR’S MANUAL 8-320

ECTI

ERES

10-320

th propeller in minimum pitch (Controllable Pitch Propeller) 5% po er as indicated by produce 50 engine angle, se

(1

control should be in th

manifold pressure gage.

full rich

these settings, th ignition system an spark plugs must thi rk harder because of cylinders. greater pressure ll c Under these conditions ignition problems, c u r they exist,

position.

checks

distribution

po

er

settings

only

ll

indicate

fuel-air

yuality. NO

Aircraft that equipped th manifold pressure gage, operating

a.

maximum from

(2

th

fixed Pitch propellers, check magneto drop-off

drop-off,

note

ot

then return

normal is

swtch

both.

PM and should no exceed 50

drop-off past

th

of 2000/2100

magnetos both until engine regains speed an note

equipped

usually

Drop-off

drop-off, other

return

magneto

should no exceed 175

PM between magnetos.

sign

engine

lean

smooth oo rich

mixture. fe period, long single magneto fo operate ll minimize plug check drop-off and seconds is usually sufficient

f.

no

fouling. ERA I’IO

7. a.

FLIGHT.

airframe manufacturer’s instructions fo

recommended po

er

settings. b. Fuel

xture

Leaning Procedure.

Improper fuel/air mixture during Eight is responsible fo many engine problems, particularly during take-off and climb po er settings. procedures described in this manual provide proper fuel/air be mixture when leaning Avco Lycoming engines; they have proven and economical both by eliminating excessive fuel prac ca is therefore consumption an reducing damaged parts replacement. of Avco that recommended Lycoming aircraft ope tors time instructions in this publication power-plants, utilize fuel/air mixture is adjusted during flight.

3-5

LYCOMING OPERATOR’S MANUAL

~ z l v c o

ECTI

0-320

anual

leaning

ay be

monitored

10-320

ERES

by exhaust ga

temperature indication, indication, by observation of engine speed and/or airspeed. However, hateve instruments ar used in monitoring mixture, following general rules should be observed by Avco Lycoming aircraft engines. operator fuel flow

GENERAL RULES ever exceed

maximum

or maximum

service

below

operation

manually

lean

fuel system.

climb

cylinder

head

temperature limit.

life,

cylinder head temperatures should be (2240C.) during high~perfornzance cruise

4350F. below 4000F. (2050C.) for

maintained

aintai

line

economy cruise powers.

engines equipped

mixture control in "Full

nd maximum cruise po

th

automatically

Rich"positionfor

ers (above elei;ation airport

controlled

rated

take-off,

75%). However,

during take-off from high during climb, roughness result from over-richness. such ofpower s e adjust mixture control only enough obtain smooth operation for economy. loss

Obst´•rve

instruments

over-rich

fuel/air

engines

mixture is

altitude above

Always

powers

likely

maximum po best economy mixture

specified

Rough

operation

be encountered in carbureted

full rich before increasing po er settings.

engine in

rise.

feet.

mixture

t u

c?perate otherwse

for temperature

airplane

w n

er mixture fo

for

performance cruise

economy cruise po manual.

flight operations l?ecessary uncompensated carbureted fuel injected engines During

let-dow

er; unless

manually

lean

obtain smooth

operation.

LEANING

a.

Normally aspirated engines

carburetors.

3-6

EXHA

TEMPERATURE GAGE.

th

injectors

uncompensated

Revised January, 1977

OPERATOR’S MANUAL

LYCO 10-320 SERIES

0-320 (1)

ax mum Fouler

beyond 1500F.

ECTI ruis

(approximately

75

Power)

ever lean

unless aircraft operator’s peak onitor cylinder head temperatures.

rich side

manual show otherwse.

below) Economy Cruise (approximately po er rich side peak desired, drop 500F. Operate at peak EGT, (2)

Best

EGT.

FLOWMETER.

2. LEANNG

applicable fuel-flow tables fuel-flow fo each po er setting.

Lean

correct

indicator marked fo

lean

3. LEANING WITH MANUAL MIXTURE CONTROL

75

po

a.

less)

er

Carbureted

thout lowmete

mixture control from "Full

ont nue

(3

nrich until

engine

to

ard

u n

smoothly an

po

er is

to

ard

regained.

Injected Engines. mixture control from "Full

(1 Slowly lean position.

po

position

ch

leaning until engine roughness is noted.

(2

(2

gage).

Engines.

o (1 Slowly m lean position.

Fuel

(Economy Cruise,

ontinue er

ch

position

leaning until slight loss of power is noted (loss no be accomplished by roughness).

(3 Enrich until engine

u n

smoothly and

po

er is

regained.

engine speed an throttle setting ar kept Figure 3-1, affect constant at normal cruise conditions, leaning engine po er ll show n. P o w e r be as drops rapidly when engine temperatures engine is leaned beyond peak exhaust ga temperature; also, best po er is rich side attained peak exhaust as temperature. As show

in

Revised January, 1977

3-7

ER ATO

LYCOh~OlNG

bj AVC

0-320

SECTION USI~

OI´•’

CO TK

CAKHUHI~T

MANUAL ERIES

10-320 Under

certain

moist

than 50% and th relative humidity is atmospheric conditions form in th induction 20 900, it is possible fo ic temperature eather. This is due high ir velocity m system, even in u heat from this ir by absorption through th carburetor venturi mixture chamber ay fuel. temperature in vaporization this incoming air. temperature drop as much as 700F. below cause cooling process moisture, ir contains large amount formation generally begins in ice. Ic form precipitation in extent that drop in to such butterfly and ay uild vicinity drop in loss po er is reflected by po er output could result. th constant speed propellers manifold pressure in installations equipped th PM in installations equipped and drop in manifold pressure an no corrected, this condition ay cause complete fixed pitch propellers.

engine stoppage. th system fo installations ar equipped this, this carburetor. ay ir supply incoming preheating fuel, vaporization replace th heat loss sufficient heat is added mixture chamber temperature from dropping preventing tube jacket hi ai preheater is essentially water. freezing point cylinders is passed, exhaust pipe from through hich th required these surfaces is raised ir flowing and carbure tor. Consistently high temperature before entering avoid

a.

temperatures mixture.

cause

following

decided variation loss in po er and outline is proper method of utilizing

carburetor heat control.

(I

OPeration

rou

through

taken e a

carburetor ai heat

se of

minimum. On

should be held

pass

´•

ir

filter, an

engine

into

dirt an

th th

some

installations th

th

ground

ir does no

be foreign substances resultant cylinder an piston ring

dirt and

dust free areas carburetor

ir heat should be used

is functioning properly, make certain ground carburetor icing conditions require it

when

operation should be made throttle possibility with carburetor heat in full cold position. de throttle openings is very remote, so remote in fact, that icing be disregarded.

Take-Off

3-8

Take-offs and full throttle

Revised January, 1977

LYCOMING OPERATOR’S MANUAL 0-320

10-320

ERIES

Climbing

ECTI

climbing at part throttle po er settings carburetor heat control should be in th full above, cold position; however, if is necessary to carburetor heat (3

When

is possible fo engine roughness du c c over-rich fuel-air mixture produced by additional carburetor heat. When this happens, carefully lean th mixture mix-

prevent icing ture control

no continue

tions,

only enough

adjust

altitude.

produce

smooth

engine operation. o~ icing condi-

carburetor heat after flight is mixture according percent

po

er

carburetor ir Fligh Operation During normal flight, leave heat control in th co position. damp, cloudy, foggy hazy sid air temperatures, look ou fo loss days, regardless ll This evidenced be unaccountable loss in by po er.

14)

manifold pressure fixed tant speed

both,

depending

pitch propeller is

hether

c o n s

Installed

aircraft. this happens, apply full carburetor ai heat throtincrease availab le fo will, result in tle, compensate power loss. This in additional manifold is normal, slight drop pressure this drop ll be regained induction ic is melted ou as be melted from induction system, heat system. When ic should be used know long suspected icing exists. Only in th those aircraft carburetor ir temperature gage mixture temperature above partial heat be used keep

freezing point (320F.), Be alert in reduced po er operation

th

threat

above

carburetor icing dur-

ater.

WARNNG is

advisable,

equipped

th

either full heat heat in aircraft that carburetor air temperature gage. ambient 14"F. belout an mixture in air is frozen an heat

temperature of should be used.

(5

Landing Approach

making landing approach, in be "Full -~old" position. usually know However, icing conditions suspected, th "Full Heat" should be applied. that full po er need be c a under these fo aborted landing, conditons, plied buretor heat should be returned "Full Cold" prior tofull po er aircraft flight manual fo specific instructions. application. th carburetor safety measure, there is objection ;~eat during landing approach provided that go-around, carburetor heat is returned promptly touch-and-go landing, co position. buretor

Kevised

May,

1980

3-9

OPERATOR’S MANUAL

LYCO MI ECTI 10 ENGNE FLIGH

CHART.

odel

0-320-A,

Aviation

-E Series

80/87 octane, minimum

Series 0-320-B, IO-320-B, -DSeries IO-320-C Series Series

IO320-

Series

0-320-

91/96

1001130 octane, minimum 1001130 octane, minimum 1001130 octane, minimum 1001130 octane, minimum

91/96

25

1001100L octane, minimum

grade 100LL fuels in approved fo continuous

NOTE: Aviation pe

91/96

1001130 octane, minimum 1001130 octane, minimum

91/96

Series

IO320-

Fuel

ra

80/87 octane, minimum

IO-320-A, -E Series

IO32

ERIES

il

nd

Fuel

10-320

0-320

gal.

lead content is limited

hich in th

listed

abov

engines.

MODELS *R ecommende

Average mben

IL

ir

6082

60

Above 600F. (15.550C.)

50

300 (-l.lloC.) 00

Ashless

rades

Above 800F. (26.660C.)

il

rade

Dispersant

rades

50

900F. (32.220C.)

(-17.770C.) to 700F. (21.110C.)

20

Below 100F. (-12.220C.) efer to

il Sump

30

latest edition

ervice Instruction

1014.

Capacity

nimum Safe

Quantity

Quarts

. . . . . . . . . 8

in

Sump. ERAT

Quarts CONDTI

NS

il Inlet

Average mben

es red

Temperature aximum

Above 80"F. (26.660C.)

1800F. (820C.)

2450F. (1180C.)

Above 600F. (15.550C.)

1800F. (820C.)

2450F. (118"C.) 2450F. (1180C.)

300 (-1.110C.) 00

900F. (32.220C.)

(-17.770C.) to 700F. (21.110C.)

Below 10"F. (-12.220C.)

il Pressure, ormal

1800F. (820C.) 1700F. (770C.) 1600F. (710C.) aximum

2250F. (1070C.) 2100F. inimum

Operating Warm-Up

99"C.)

Idling 25

tart an

(except 0-320-D25)

100

0-320-D25

3-10

evised

May,

iua~

10-320

0-320

MANUAL

ERAT

LYCO

~7AVC

ECTI

ERES

NS(CONT.)

CO ND

ERATI

Desired

Max.

Fuel Pressure,

n.

0-320 Series

Inlet

.5

.0

.0

carburetor

IO-320-B, -D -E Series; IO320; IO320fuel pump Inlet

Inlet Inlet

fuel

InJector

th fuel pump injector in idle cut-off

IO-320-C Series; Inlet Inlet Inlet

-2

35 45

12

55

IO320-4

fuel

pump fuel InJector

14

th fuel pump injector in i-~le cut-off

55

il Cons.

Cons. l.lHr.

Operation 0-320-A, ed

orm

Performance

.6

5000F. (2600C.)

10.0

.37

5000F. (2600C.)

8.

.33

5000F.

ruis 2450

110

ruise

(65% Rated)

2350

0-320-B, rma

Qts.lHr.

te

Performance

Cyl. Head Temp.

** Series

2700

(75% Rated)

Economy

*Max.

Max.

Fuel

2700

16

2450

120

2350

104

*** Series .72

5000F. (2600C.)

.4

5000F. (2600C.)

.35

5000F. (2600C.)

ruis

Rated) Economy ruise (65% Rated) (75%

(2600C.)

10.0 .8

maximum service life engine, mainBayonet ocation 435"F. 1500F. (660C.) et ee tain cylinder head temperatures (223.860C.) during continuous operation. -E2C have alternate

0-320- 2A

0-320-D25

evised

May,

as alternate 150

l’i6~

rating

at 2500

at 2450

an

155

at 2600

3-11

OPERATOR’S MANUAL

LYCO

L ~ A V C O

10-320

0-320 ERATI

Operation

(CONT.)

CO

PM

ated

Performance

Fuel

x.

Cons.

il Cons.

Gal./Hr.

IO-320-A, orm

"Max.

Qts./Hr.

.6

5000F.

.3

5000F.

.33

5000F.

ruis

2450

110

2350

97

10.0

Economy Cruise

(65% Rated)

IO-320-B, ated

8.

-D AIO-320;

IO 20 Series

2700

16

24

120

10.0

2350

104

8.

Performance Cruise

(75% Rated)

.72

5000F.

.4

5000F.

.35

5000F.

Economy Cruise (65% Rated)

ocation or maximum Bayonet maintain cylinder head temperatures et ee continuous operation. ENGNE

a.

service life

1500F. an

of

engine,

4350F. during

WN

UT-

propeller

minimum blade angle (where

b. Idle until there is ov

Cyl. Head Temp.

-E Series

2700

(75% Rated)

rma

ERES

decided decrease in

mixture control

"Idle

ut-

applicable).

cylinder head temperature.

".

d. When engine stops, turn ignition swtch off.

3-12

evise

January, 1977

~a7AvcO

OPERATOR’S MANUAL

LYCO

10-320 SERIES

0-320

´ • ,

SECTION

BEST

MAX.

ECONOMY RANGE

POWER RANGE i´•

C~

´•´•.;:i

PEAK

io

MAX.

OA

-100 c~

CI~

-200

10

t"j-300

-2

i~

-30

(100

WJ-400

[95

-1

85 :::_

~ 9

OO

LEAN

BEST ECONOMY

CRUISE

LEAN

MAX. POWER

FULL RICH TAKE OF

CRUISE

MIXTURE

RICH

Cylinder Head Figure 3-1. Representative ffect Leaning Temperature, (Exhaust as Temperature), Engine Po er onstant Engine PM Specific Fuel Consumption anifold Pressure

Revised January, 1977

3-13

LYCOFs~lNG OPERATOR’S MANUAL 10-320

0-320

SECTION

CURVE

SERIES

9540-

i%fS tlXru

:i.::j~ • ´ • I ~ ´ • ´ • : ´ • : . : ^´

Figure 3-2.

Level Power

0-320-A an

3-14

urv

-E Series

Revised January, 1977

NO 9541-C

,s

iO

RmsuRE PLTITUDE

Figure 3-3.

Level an

AltiCude Performance

0-320-A nd -E Series

AvCO

LYCO

OPERATOR’S MANUAL

ECTI

0-320

I ; r ~

-:::~::-:11’:;?1´•1-1--1:il:1

10-320 SERIES CURVE N0.10156

1;;-1:1111 ~"* ’´•:1-’""_ iilll_-l.illl-ll

-´•.::t-’f5’lg%il~ll

H6i’k.:’B$i’.Ild:IIIllC18

.:il:li : l i 3 8 1 , : . : l s s i H I p : ! : r i : I Z g B 6 8 1

~i

P L S B B 1 I B fIIlItlilllll~H1Iliflltf8

i:

Figure 3-4.

Part Throttle Fuel

0-320-A an

3-16

Consumption

-E Series

evised

January, 1977

~ c

0-320

10-32

OPERATOR’S MANUAL

LYCO

SECTION

IE CURVE

-: ;~I: :~"%’´•E.::la‘ e - i : ´ • ´•I:I:,- .;i-~

~:-s

:_´•:i

‘ii :f

i n . i

-O

11259

Ebs%’’l’ :’!llgiBliR’~i

i ii l , , : : ; : ; ; I ; -

ili;i--"i-:8:t_ l-:::::"iiiisi

Figure

3-5,

ea Level Power Curve

0-320-B

-D Series

: ´

c,

c,

~b

CD

ic =t

;r3 cr

3-6.

ea

eve an

Altitude Performance

0-320-B and -D

eries

1~

L~AVCO

0-320

LYCO

ERATOR

MANUAL

10-320 SERIES

ECTI CURVEN0.12780-A

Figure 3-7.

Part Throttle Fuel

IO320 IO320

evis i sed January. 1~977

an

Consumption

-E Series

3-19

I, CURYE

DJ2781-A

145

125

~J

~d

I~d

CD 7s

(j

(p

ic

O,

=t

v,mr 45

Figure 3-8.

ea

eve an

Altitude Performance

IO-320-320-

erie ies

~a

CURVE NO 13025-4.

CD

ZL 155

EU

=I 145

135

125

105

as

"Ifl

pj

Figure

3-9.

Level an

Altitude Performance

IO -320-320-

Series

CT~3

a 7

SECTION

c o LYCO

MANUAL

ER ATO

0-320

10-320 SERIES CURVE NO

12883

Figure 3-10. Part Throttle Fuel Consumption IO-320-B, -D AIO-320, IO3203-22

Revised January, 1977

;3

160

h3

4~

~P

130

120

e; F-;~lar

I~o

4d

wf~3

Figurr

3-11. Se

Level an

Altitude PerIormance

IO-32D-B, -D AIO-320,

IO -320-

A V C O LYCO

OPERATOR’S MANUAL 0-320

SECTION

10-320 SERIES C U R V E NO

Figure 3-12.

3-24

Part Throttle Fuel

10-320-0,

12999

Consumption

IO320-

Revised January, 1977

i~P 140

II

lo

tn

´ • a_;´•´•

Figure

3-13.

ea Level and Altitude Performance

IO-320-C,

IO-320-C

LYCO MI

ERATO

0-320

ECTI

Figure 3-26

MANUAL

3-14.

evel Power

10 32

0-320-

1D

Added

January,

IE

alRYSNO.I)Z7~_

~b

14

c~

12

;10

’P

sl

Figure

3-16.

eve an

Altitude Performance

0-320-

1D

LYCOMING OPERATOR’S MANUAL ECTI

0-320

Figure 3-16. 3-28

Fuel Flow

Percent

te

10-320

ERES

Power

Added

May,

1980

CD

P1

’C

INCET TEMPERAFURE I jt o t r r nDNFuLLfHsoTTLEa;rnucc

I-CliP~:NO

SEILEYEL

Ta FINC 4 i T U "ORSesD~EH FROM ~’TUtE, 4_eU.udlVrFOLD PPEaWffE

PEPFOFI~PFICE

13381

arro niR

PM

U*NIFOI.D PFLESSLlliE

~L

HP.TEDPOWER 270U4PM:

MIXTURE U N L E S S O1:HERWISE NOTEO POWER

ass oRv M´•9N(F4LC

TRPI;SFES

PREsSVHE

CONNECT PIBC By ’;TRPlWIT LI´•IE I\NO

(N:HG

ENGI~E

M~slPRESSION RATIO

REno

~TQVEN aiiii ub O. HDL)1FY HOR~EPD’NER DFOH YLR14TION OF aIR(NLET IEMPES6;UHE FROM

8_50::1

cj

15

s-ro,NonRo atrl~e rEMPER~URE Tg

~d

460t7:;PICTU*C rf.P

npn?xlM~ccr i% COPRECT!CN V*Rlns)ON FROM

IJ

TS

t’ 130

s~J

1"

19

29

21

22

nespw~

Figure

25:

26

1:~59

:21

´•i

3-17.

ea I~evel an

Altitude Performance

0-320-D25

urve

SECTION

PERIODIC

INSPECTION

MANUAL TEXTRON LYCOMING OPERATOR’S

PERIODIC INSPECTION

Page ene al.

Pre-Starting inspection..Daily Pre-Flight. Hdur ur

Inspection´• Inspection..´•

Inspection. Hour Inspection. Non-Scheduled Inspection. 100 Hour

-1 -1 2

.4-2 .4-3

.4-4 .4-5

4-5

Revised January, 1993

TEXTRON LYCOMING OPERATOR’S MANUAL 0-320

SECTION

10-320 SERIES SECT1ON

INSPECTION

ER

NO

safety and durability of quite so~important an diligent attention regular th aircraft itsconzponents as found. checks fo minor troubles and prompt repair when they

Perhaps

other factor is

operator should bear in

pages do th engine

constitute

only.

in

at th

items listed in th

complete aircraft inspection,

onsult

additional instructions.

airframe manufacturer’s

following meant for

handbook

for

th daily pre-night inspection is check determine first flight aircraft prior day. hi inspection is th aircraft an engine. th general condition

Pre-Starting Inspection

importance proper pre-flight inspection cannot be c c u yearly tatistics prove several hundred accidents emphasized. poor pre-flight inspection. directly responsible

Among concentration,

major

causes

reluctance

carelessness bred

poor

pre-night inspection

acknowledge th

need fo

ar

lack

check list,

by familiarity and haste.

4-1

TEXTRON LYCOMINC OPERATOR’S MANUAL 10-320 SERIES

0-320

SECTION AILY PRE-FLIGHT.

b,

s u

all switches

s u

magnets ground

position.

connected,

res

il level.

Check

full.

ee that fuel tanks

d,

" O

in

at il connections, note minor indications fo repair before aircraft is lown. an major leaks

Check fuel an

inspection. Repair

hour

fuel drain

f. Open

ater an

accumulation

e m

missing

e c u in place and s cowling replacement should be made damaged, repair

aircraft is

lown.

Make

i. Induction system

5-

time,

general condition, travel an

After

ECTI

50 hour inspection including il pressure

after every

first twenty-five hours

s ce e n

hours

required to comply operating time.

il suction an

fo presence

damage. rai

an

in a c c o

il pressure metal particles that

lean an e n e w

operating

newly overhauled engines should undergo draining an renewing lubricating oil. Engines

Lubrication System (Engines Equipped (1 Remove

operation.

freedom

inspected an serviced manufacturer’s recommendations.

remanufactured

th equipped in inspection

efore

ir filter should be

airframe

th

UR

new,

an

ail shields an

s u

Check controls fo

dance

sediment.

il Pressure Screen)

th

carefully indicative of internal engine

s c r e e n

il suction and

reinstall

lubricating

ollo

th

an

check

il pressure

s c r e e n

oil.

~IVOTE th il at least every four (4 months evert hours since tlze last il change. no accumulated

Clzautge th

-2

engine

Revised January, 1993

TEXTRON LYCO

MANUAL

~PERATO

SECTIBN

10-320 SERIES

0-320 3. 50-

ECTI

UI~

following operation.

flight inspection, every 50 hours

daily preafter made be should maintenance checks items listed fo

addition

Ignition System spark plugs as fouling upper position.

(1

been

apparent,

rotate bottom

plugs

cable an ceramics fo corrosion an (2 Examine spark plug leads either leaking spark plugs, deposits. This condition is evidence connector ends. Where spark plug walls improper cleaning this condition is

dry,

th

ceramics

methyl-ethyl reassembly.

connections

b. Fuel an

clean an

parts should

(3 Check ignition harness fo security s u

tight

Induction System

at

th

clean cloth moistened

clean cloth

ketone.

ails an

cable ends, spark plug

found, clean

park

heck the

lu

dry

before

mounting clamps an he an magneto terminals.

primer lines (where applicable)

fuel inlet clamps. Remove and clean throttle linkage fo travel, mixture control an strainers. Check freedom clamps an lubricate if necessslrv. movement, security ir intake ducts fo leaks, security, filter damage; evidence Check ducts is indicative of inadequate other solid material in dust

fo leaks an

filter

c a

il seepage; c.

security

damaged filter. if present, fuel

ubricat on

Filter) (1 Remove

hec pump

vent lines fo

require replace

System (Engines Equipped

th

nt.

External

il pressure s c r e e n an indicative metal particles that

oil suction and

fo presence

fu

evidence

Fz~lll

Flow

carefully internal engine

check

damage

Replace external full flow lubricating oil. (2

Revised January, 1993

il filter element.

rai

an

e n e w

-3

MANUAL

ER ATO

TEXTRON LYCOMI

10-320 SERIIES

0-320

SECTION NO

il at least every four (4 months even if th il change. hours since th last no accumulated

engine

Change th

(3

il lines fo

hec

anchorage and fo

leaks, particularly

w e a r

at connections fo

rubbing

due

vibration, fo

as

security

dents an

cracks.

cylinder attaching flanges at exhaust ports loose, they must be removed an fo evidence they leakage. reassembled an tightened. Examine machined flat before they haust manifolds fo general condition.

d. Exhaust System

Check

e c Check cowling an baffles fo damage an s Cooling System cooling system must missing part anchorage. An damaged aircraft e s u m e s operation. be repaired replaced efore e.

f. Cylinders

Check rocker

replace gasket an

tighten

c o v e

s c r e w

fo evidence

found, inch Ibs.).

il leaks.

specified torque (5

excessive heat hich is indicated by cylinders fo evidence internal burned paint cylinder. This condition is indicative u s must be determined an cylinder and, if found, it ca damage to aircraft e s u m e s operation. corrected efore heck

4. 100-

ECTI

UR

pre-flight an

hour inspection,

be made after every lectrica

hundred

items listed fo

addition

following maintenance hours operation.

daily

checks should

System

accessories. engine shielded cables that damaged should be replaced. Replace clamps res and check terminals fo security an cleanliness. loose

(1

Check all

wiring

connected to

(2 Remove spark plugs; test, clean an

-4

regap.

Replace-

evised

if necessary.

January, 1993

TEXTRON LYC~MING OPERATOR’S MANUAL SECTION

10-320 SERIES

0-320

and minimum gap. Check Magnetos Check breaker points fo pitting th breaker compartment, if found, wipe dry fo excessive il in breaker points should be felt located at clean lint free cloth. th magneto manufacturer’s instructions. lubricated in accordance described in Secengine timing. Timing procedure is Check magneto this manual. tion 5, i, b.

Engine mounted accessories such as units should be checked fo temperature an pressure sensing mounting, tight connections.

c.

Engine Accessories

Check

Cylinders e.

an excessive

f.

looseness.

be

5. 400-

fuel

nes -Chec

injector nozzles

fo

pounds torque. Check fuel lines fo fuel replacement must fuel leaks. Repair s u m e s operation. aircraft e

inch

before

hour

100 hour

made after every

Valve Inspection

Remove rocker

hours

check fo freedom

c o v e

closed. Look fo

daily

following maintenance operation.

inspections,

check should

rockers when valves

items listed fo

addition to

ECTI

UR

pre-flight,

Fuel

indicative

accomplished

o excessively w

bushings that

Replace

e a

Tighten

hich

stains

broken fins.

cylinders visually fo cracked

oules

Fuel Injector

s e c

securiCheck engine mounting bolts and bushings fo

ounts

Engine

pumps,

evidence of

abnormal

valve

w e a r

valve tips, valve keeper, springs and spring e a parts in it components cylinder found, indications seats. assembly) an piston an connecting removed (including should th parts that do no conform inspected fo further damage. Replace Special Service Publication o. SSP2070, latest edition limits show in

broken

6.

NON--SCHEDULED INSPECTIONS. Occasionally, service instructions

EDivision

issued by Textron Lycoming Reciprocating Engine no listed in this manual. that

that require inspection procedures

Such publications, usually obsolete after

~publications

limited

specified engine models

corrective modification available from Textron

an

accomplished. distributors, Lycoming

such

been

edition

latest factory by subscription. Consult aintenanc fo subscription information. these publications available at to-date evised January, 1993

service bulletins

from

ervice Letter

facilities should have

o. p-

times. -5

SECTION

IVIAINTENANCE CE

LYCOkilNG OPERATOR’S MANUAL

MAI TENANCE PROCEDURES

Page Ignition an

lectrica

System

.5-1

Ignition Harness an Wire Replacement Timing Magnetos Engine

.S-1 .5-1

Fuel System

Repair

.5-5

Fuel Leaks Fuel Injector Fuel Inlet

Carburetor

Fuel Grades and ir Intake idle

Speed

.5-5

uc

an

mitations

an

Filter

xture

Adjustment

ubrication System ii Grades and

imitations

reen

Assembly

.5-6

.5-6 .5-6 .5-6

.5-7

.5-7

il

uct on and

il

elief

Valve, Non-Adjustable

.5-8

il

elief

Valve, Adjustable

.5-8

il Press. Screens

Cylinders Removal

.5-7

.5-8

Cylinder Assembly

.5-8

OPERATOR’S MANUAL

Y~O rn

MAI TE ANCE

RO CEDURES

(CONT.) Page

Springs

emova

Valves an

emova

Pistons from Connecting Rods

Removal-

Valve

5-10

Hydraulic Tappet 5-10

Plunger Assemblies Assembly

Valves in Cylinder

Assembly

Cylinder and

enerato

.5-9

Hydraulic Tappets an

plunger Assemblies Assembly

.5-9

Alternator

elated Parts

ri

Belt Tension

5-10

1

5-14

L~IAVCO

OPERATOR’S MANUAL

LYCO MI

10-320 SERIES

0-320

SECTION SECTION

MAI TE ANCE PROCEDURES

procedures described in this section ar provided guide and instruct personnel in performing such maintenance operations that be in th th required conjunction periodic inspections listed in section. include repair and replacement preceding attempt is made that ll be in operations applicable Avco Lycoming verhaul Manual. TI

ELECTRCAL SYSTEM.

Ignition Harness

harness

an

diagram

be

clamps

sure

clips

locations.

Timing Magnetos

b.

magnetos

ar

fo

event that an

be replaced, consult

ignition wiring

harness is correctly installed. Mark location be certain correct replacement is clamped

Engine

Although several combnations this series engines, (see Table odel fo model th th exception th method timing procedures, correct breaker position, ar magnetos same

used

application) turning

Wire Replacement

individual lead is

magnetos.

NO

ther

applicable) (1

impulse coupling

is installed

retard breaker magneto

left side

(zuhichever is

engine.

spark plug from cylinder an place thumb otat crankshaft in direction of normal spark plug hole. rotation until compression stroke is reached, this is indicated by positive pressure insid th cylinder tending thumb of push spark plug hole. ontinue rotating th crankshaft in direction normal rotation until advance timing mark front face starter ring gear is in exact alignment with small hole located at o’clock position front face of starter housing. be 20 marked and 250. Consult engine (Starter ring gear ay fo correct timing mark fo ~pecifications, nameplate, your emove

installation.)

5-1

L~RFEO

SECTION

LYCOMINGOPERATOR’S MANUAL 10-320 SERIES

0-320

II \1

I~

IP

F/R/NG ORD~R M A G N E T O - Leff Hand Rotafibn /-3-2-4 Hand Rotatlbn /-4-~-3

Figure 5-1. Ignition Wiring Diagram 5-

L21AV1~

0-320

10-320

LYCOMING OPERATOR’S MANUAL SECTION

ERIES

Y´•~

ii

II ii

li

US’\ii

:i

Il

~I

F/R/NG ORDER

MAGNETO-Left Hand Rofofion

/-3-2-4

Hand Ro~otion /-

-2-3

Figure 5-2. Ignition Wiring Diagram (Optional) 5-3

LYCOMING OPERATOR’S MANUAL

a7Avr=o

SECT1ON

10-320 SERIES

0-320 NOTE

crankshaft is accidently tu ne above procedure rotation, repeat th final timing incorrect. (2

this

(a

point, th

Bendix

in

opposite

direction

accumulated backlash ´•will make

engine is ready fo assembly

Magnetos

normal

Remove th

magnetos.

inspection plugs from

both

normal rotation magnetos and turn th driveshafts in direction until first painted chamfered tooth distributor gear is do center of aligned in inspection

(b)

lick

out"

Magnetos

emove

bottom vent

magnetos. This is accomplished

(Impzrlse Coupling Magneto)

Hold

"spark

plugs

following

in

B1 lead

T1

re

a n n e r

spring

magneto frame and turn th

from th 1/16 in /8 in click time until impulse coupling strong spark jumps frame. Hold et ee magneto firmly so spring and ll no m o trips and beyond coupling point where 25 until rotation approximately Reverse c spark c vent hole. center plug timing pi hole appears in line and Hold rotor by inserting timing pi timing pi vent th center plug hole.

away from

through Reverse th appears in

in into

(3 Being

gaskets

s u

Magneto)

Hold

re

hole.

that

gear does no

and magnetos

tighten only finger tight.

5-4

B1 lead

spring 1/8 in frame. Turn gear counter-clockwis vigorously at th flux lines until c u r strong spark c flux until rotation into timing pi hole inser th timing vent plug hole center

(Conventional

th

from this

engine. Secure

position,

install

th washers and nuts;

0-320

OPERATOR’S MANUAL

LYCO MI

~ a

10-320

IE

ECTI NO

shaft impulse coupling magneto, depress th impulse coupling zvith Jinger.

order

t u

pazol

battery powered timing light, attach positive lead to suitable terminal connected ground terminal magneto and lead negative unpainted portion engine. otat o m magneto in it mounting flange point where light c in th opposite direction until n, then slowly turn light goes out. Bring b a c k until o m slowly magneto light just c th this second Repeat magneto. (4 Using

NOTE

me

light

timing lights operate

e v

breaker

when

c o m

in

s e

points open.

instructions.

(5 After

described

a n n e

Check your

above,

timing light

th engine, check, as magnetos have been timed ascertain that both magnetos ar to fire below,

both

described

together. fe crankshaft degrees, (6 Back of timing lights should go crankshaft out. Bring normal rotation slowly back in direction until hole mark in in starter housing timing this both should alignment. point, lights simultaneously. go nuts specified torque. Tighten

Alternator

enerator

c.

Output

(whichever is applicable) should be specified voltage an current being 2. FUEL

a.

Fuel

eaks

evised

determine that

checked

obtained.

event

line

fitting

fuel soluble lubricant, such only Hydraulic Sealant, ay be used lubricant compound must no be used.

octite thread

alternator

TEM.

Repair

is

generator

January,

1977

as

in

fuel system

engine oi other threads. An clean

5-5

OPERATOR’S MANUAL

LYCO

~a7Avco

0-320

ECTI 6. Carburetor

assembly and

Fuel

Injector

Fuel Inlet

s ce e nfo

creen

10-320

Assembly

emov

strainer. openings in Replace fo either of these conditions. Clean sceenassembly in solvent fuel inlet s th compressed and dr reinstall. ir an ce e n 35-40 inch pounds carburetors and 65-70 assembly is tightened fuel injectors. inch pounds check

Fuel Grades

fo

2d

imitations

subject engines

grade

recommended aviation

is listed in

fuel

item 10.

ection

specified fuel is no available higher octane fuel. Fuel

event that

is

distortion

locations,

at

se permissible is used. Under not circumstances should automotive be specified fuel be used (regardless octane rating).

to

lower octane than

NOTE

is recommended that 1(370

d.

familiar

personnel

th

ervice Instruction

regarding specified fuel for Avco Lyconzing engines. ir Intake

restrictions.

Filter

ucts

Inspect an

ir intake ducts fo

Check

service ai

filters

instructed in th

as

dirt

airframe

manufacturer’s handbook.

e.

Idle

Speed

an

xture

Adjustment

rt engine (1 head cylinder temperatures

(2 Check magnetos.

ad

(3

in ar

a n n e

until oi

normal.

"mag-drop"

is

normal, proceed

th idle

ustmen

throttle stop

manufacturer’s

s ce w so

recommended

appreciably after making idle idle speed to steps, readjust

5-6

usual

that th

engine

airframe

idles

idling RPM. adjustment during desired RPM.

PM

changes

succeeding

TE’XTRON LYCOIWING OPERATOR’S

ANUAL

SECTION

10-320 SERIES

0-320

idling speed as been stabilized, th smooth, steady pull control lever

(4 When ture

cockpit mix-

m o

to

"Idle Cut-

ard

tachometer fo an change during position and observe mixture return aution must be exercised leaning process. drop ch’ position efore "Full control than 50 increase engine cuts out. point where excessively rich idle mixture. hile "leaning out" indicates momentary in by (if no immediate decrease in

idle mixture is oo lean.

crease) indicates

oo adjustment is to rich direction required fo idle mixture adjustment in lean, tu above proposition by repeating correction, and check this check cedure. Make additional adjustments as necessary until Each time approximately 50 results in momentary pick-up 2008 engine should be adjustment is changed, check. Make th to clear engine efore proceeding desired idle speed adjustment to obtain final adjustment above method aims at setting th closed throttle. idling

idle

above indicates that

that

th minimum manifold pressure.

ll obtain maximum

idle linkage; ny setting does no remain stable, check all cases, erratic idling. a u s looseness in this linkage would c c a

allo

anc

effect

made fo

should

field altitude upon

eather conditions an

idling adjustment. TEM.

3. il Grades

recommended grade

il

as

th

engine in accordance

ervice

imitations

specified

in

ect on

item 10

each twenty-five hour in no to spection remove, inspect fo metal particles, clean an reinstall, exceed four (4 months between il changes.

b.

il Pressure Screens

il Suction

NOTE installations

employingfull flow

il filters, this step is no

should be observed at th Ithis time, (4 months between il changes.

Ifour

Revised

1993

hourins~ection,

practical

at

no to exceed

5-7

OPERATOR’S MANC~AL

TEXTRON LYCO

il

c.

10-320 SERIES

0-320

SECTION Helief Valve (Non-Adjustabl~

relief valve is to maintain engine

il pressure limits.

function

specified addition be controlled by thi

il pressure

valve, although no adjustable, to increase pressure nine STD-425 washers under maximum 73630) to /N 73629 spacer (Textron Lycoming eliminated he later models modification decrease pressure.

other foreign matter lodged metal spacers. Particles is advisable, ll result in faulty readings. ball and seat

need fo

between

therefore,

disassemble, inspect noted.

pressure fluctuations

il Helief Valve

d.

valve if excessive

clean

(AdjustabEe)

he

adjustable

il relief valve enables

specified limits. normal operating conditions should consistently pressure under valve as minimum specified limits, adjust maximum exceed operator

to

maintain engine

thi

il pressure

ollo

th observe

imum

and running at approximately 2000 RPM, engine warmed a x il pressure gage. pressure is above reading adand scew below minimum specified limits, stop engine

decrease pressure justing scew ou adjusting scew installation, Depending

slot and is turned

plus

th

ay have

driver;

ay have

nu an

be turned

s ce w

pinned .375-24 castellated

increase pressure.

in

s ce wdriver

only

s ce wdriver

th either

slot

s ce w

rench.

driver

complete procedure fo disassembly an CYLINDERS. Although field operation, reassembly is given here, it is recommended that, entire assembly. confined to replacement cylinder maintenance e a s u r undertaken only Valve replacement should 4.

Removal of Cylinder Rssembly

-8

(1

emove exhaust manifold.

(2

emove rocker

that

might interfere

drain tube, intake

th

removal

pipe, affle cylinder.

ev se

an

clips

January, 1993

~ Ae o

10-320

0-320

LYCOMING OPERATOR’S MANUAL

ERIES

SECTION

(3 Disconnect ignition cables and

e m

spark plugs.

(4 Remove rocker c o rotate crankshaft until piston is center approximately to compression stroke. This approximate position be located by observing to piston through th spark plug hole also watching th valve action.

(5

Slide valve rocker shafts from cylinder head e m rockers. Valve rocker shafts be re’moved when removed from

engine. Remove rotator ca

stem.

(6 Remove push

by grasping ball en shroud tube. etac shroud tube spring shroud tubes through holes in cylinder head. rods

th

valve

cylinder is

from exhaust valve

pulling lock

plate

pull

NOTE

hydrazslic tappets, pzlsh rods,

assembled in

a m

location

rociSer hich

valves

they

a s

be

removed.

(7 Remove cylinder base nuts hold down plates (where then e m employed) cylinder by pulling directly from crankcase. Be careful no allow piston drop crankcase, as piston leaves cylinder. b.

Valves

emova

Springs from Cylinder Place block of wood so as cylinder hold valves in closed position. Compress valve springs using valve spring compressor. emo of split keys from valve stem. valve springs nd valve spring seats be removed from cylinder head. Hold

valve stems

cylinder th c.

from

inside emova

so

Valve

that

holding cylinder.

valves

block. Th

ll no fall ou

valves

of Piston from Connecting

ay

e m

be removed from

Remove

piston in plugs. piston pi puller through piston pin, assemble puller nut; then proceed e m no allow connecting piston pin. rest cylinder ad of crankcase. Support th heavy rubber bands, discarded cylinder base il ring seals other method. Insert

5-9

LYCOMING QPERATOR’S MANUAL 0-320

ECTI d.

emoval

of Hydraulic Tappet

ll be necessary

e m

bl

th

assembly dry tappet is reinstalled. This is accomplished assembly so

that

Plunger

Sockets

an

10-320

IE

Assemblies

hydraulic tappet plunger cylinder

be checked when

clearance

in th

following

a n n e r

emove socket by inserting th hydraulic tappet push (1 nd th socket c o n c a v forefinger into withdrawing. socket ll usually stick be pulled finger firmly enough socket cannot be removed in this manner, tappet body. be removed by grasping th edge th socket th pair needle n o pliers. However, care must be exercised to avoid socket. scratching

(2

e m

th

hydraulic tappet plunger assembly, th

special

se

Lycoming be removed by available, hydraulic tappet plunger assembly hook in th en short piece lockwire, inserting th lockwre around th plunger assembly and turning th re so that edge hook engages th th ra plunger assembly. spring re. plunger assembly ou tappet body by gently pulling service

Avco

tool.

tool is no

event that

UTI

e m hydraulic plunger assemblies front th magnet crankcase. This check ball remain c a u s th ff it seat, rendering

ever

unit inoperative.

Assembly of Hydraulic Tappet Plunger Assemblies ball by inserting thin clean bronze unit, unseat

assemble

e.

il inlet hole. clockwis

so

that

f. Assembly of Molytex

th

ball of

it

seat,

insert

spring catches.

Valves in Cylinder Grease equivalent an

Prelubricate valve stems insert

ac

block respective valve guide. Place cylinder valves ar held against seats and assemble seat, auxiliary valve spring and outer valve spring and guide. Place to upper valve spring seat

5-10

through twst plunger re

al

stem in it

wood lo

th

that

er valve

spring

valve stem

springs.

LZIA~CO

0-320

LYCOMING OPIERATOR’S MANUAL

10-320 SERIES

SECTION NOTE

installing

When

valve

wound coils marked

springs, place th th lacquer)

dampener to

ard th

of spring

(close

cylinder.

Using

valve spring compressor, compress th valve springs and place th split keys in th valve stem. groove around th upper en th valve spring compressor and allow Slowly release pressure th g.

upper spring seat

Assembly

lock itself in

Cylinder

that

and

place around th

elated Parts

valve

otat

keys.

crankshaft

of connecting cylinder being assembled is center position that corresponds th both valves closed.

(1 Place each plunger assembly in it respective tapp assemble socket to of plunger assembly.

so

to

and

bod

th rings so that (2 Assemble piston cylinder number stamped th piston pi boss is to ard th fron of engine. he piston pi should be handpush fit. difficulty is experienced in Inserting is probably caused by carbon burrs in piston pin, piston in hole. During assembly, always se oil, generous quantity both in piston in hole and piston pin.

(3 Assemble isto pi plug rubb oi seal ring place piston and rings an th inside of

each

th

piston pi cylinder skirt.

around

cylinder generously

(4 Using piston ring compressor, assemble intake an exhaust ports ar piston so that engine. Push cylinder is pushed off. compressor as

Coat

th oil.

cylinder th

bottom of

catching

ring

lubricate crankcase

through

NOTE

Befbre installing cylinder

stud threads

th

lubricants.

90%

engine

oi

2. Parker Thread Lube. 3. 60%

engine

il

hold-dow

of

nuts,

4bllowing lubricants, 100~ STP. Parker Thread

ube.

combination

of

LYCOMING OPERATOR’S MANUAL

A~

10-320 SERIES

0-320

SECTION (5 Assemble hold dow

plates (where an tighten as directed

hold dow

nuts

applicable) in

cylinder base th following steps:

Cylinder ~hokl-down plate

Horizontal center line of e n g i n e

XOY~0/2

Shim-

req’d

cylinder

(.010 IN thick X.50/.70IN.wide During initial tightening,use tw shims th barrel, between each plate located as s ho w n R em o v shims be fore finaltightening.

Figure 5-3. and

Sequence 5-12

ocation ld

Shims Between Cylinder Barrel Plates (where applicable)

Tightening Cylinder Base

ld

ut

~LZIA\ICO

LYCOMIN@ OPERATOR’S MANUAL SECTION

10-320 SERIES

0-320

NO

time

thru-studs

cylinder th cylinder

is

replaced, th opposite

(Engines using

(a

is necessary retorque th side of th engine.

plates)

hold-dow

shims

Install

et

ee

cylinder base hold-dow plates an cylinder barrel, as directed in 300 inch Ibs. figure 5-3, an tighten /2 inch hold-dow nuts Ibs.) torque, using th sequence show in figure 5-3. (2 shims, and using 60 inch cylinder base nuts,

(b

emove

tighten th Ibs. (5 foot Ibs.) torque.

/2

same sequence,

in

NOTE

tightened

using hold-dow plate shims. above omitting

Cylinder assemblies a n n e

300 Tighten th 3/8 inch hold-dow nuts Ibs.) torque. Sequence of tightening is optional.

(c

As

(d

check,

final

about five seconds.

be

tightened

torque wrench nu does no turn, it torque.

hold

correct

in th

inch Ibs.

a m

(2 foot

each nu fo

be presumed

UTION

After al cylinder base cylinder fins by filing

have been

bum’ng. shroud tube

(6 Install

through

ox

and

rocker

nicks in

e m

crankcase

il seal

of each

annular ring in th

shroud tube and

rocker

tightened,

each shroud tube.

an

seat th

groove provided in Install each shroud tube

firmly

crankcase. Place

in

th

provided in and secure both shroud tubes in place. Bend rocker tang from and th nu th lock plate loosening. spring prevent

spacer,

springs,

lock

plate and nu

stud

5-13

~LZIAVICO

ILYCOMING ~PEWATOR’S MANUAL 10-320 SERIES

0-320

SECTION

respective shroud tube, and assemble each rocker in it respective position by placing rocker retain between bosses an sliding valve rocker shaft in place rocker. Before installing exhaust valve rocker, place rotator ca Assemble each

(7

push

in

it

exhaust valve stem.

(8 Be sure

that th

th

thumb

to

compression stroke and

center

valve stem closed. Check clearance et ee order to check this clearance, place th valve rocker. th en th valve rocker directly hand

that both valves

~ t i p an

piston is

ar

hydraulic tappet an push down so as compress push spring compressed, th valve clearance spring. While holding should be between .028 and .080 inch.

push

m limits, e shorter push rod, as required

thi

clearance does no

these

insert

come

longer

correct clearance.

NO

Inserting (9

Install

rocker

longer pzrsh

ll decrease th

intercylinder baffles, drain tubes an

rocker

valve clearance. covers, intake pipes,

exhaust manifold.

5. GENERATOR OR ALTERNATOR DRIVE BELT TENSI

Check

tension

belt

hours after installation.

Service Instruction

1129 and Service Letter

checking generator

alternator drive belt tension.

5-14

Refer

L160 fo methods

SECTION

TROUBLESH

LYCOMlttEG OQERAI-OR’S

AN UAL

7ROUBLE-SHOOTING

Page

Engine Engine

ailure ailure

Power an

Idte Properly

Uneven Running

Engine

ailure

rt

Develop

Rough Engine il Pressure

High

’Temperature il Consumption Excessive

Full Power

.6-2 .6-2

.6-3 6-4

il

.6-5

~X7AVCO

OPERATOR’S MANUAL

LYCO

SECTION

10-320 SERIES

0-320

SECTION

TROUBLE-SHOOTING Experience decide

by

causes

one,

list some

given trouble and then th th

beginning

trouble-shooting is

best method

as proven that various causes

o m m o

most

troubles,

eliminate

following charts

probable.

be encountered in

hich

maintaining engines; their probable causes an remedies. UBLE

HO TI

TRO UBLE Failure

Engine

EN

E.

PROBABLE CAUSE

REMEDY

Lack

Check fuel system fo ll fuel tank. leaks.

fuel

tart

Overpriming

Clean

dirty lines,

er

fuel valves.

Leave

ignition

strain-

" o

and

mixture control in "Idle

Cut-Off"’,

open throttle

"unload" engine by fe cranking fo an

seconds. Turn ignition

proceed

swtc start in

normal

plugs

adjust place spark plugs.

Defective ignition

Check

Defective spark

re

Clean

th electric test-

er and replace fective

Defective battery

a n n e r

Replace battery

de

res.

th charged

6-

d 7

OPERATOR’S

LYCOM

TROUBLE ailure rt

Engine (Cont.)

PROBABLE CAUSE

REMEDY

Improper operation magneto breaker

Clean points. Check in ternal timing magnetos.

sufficient

Lack

Engine Idle Properly

Disconnect fuel line and check fuel low

fuel

Failure

10-320 SERIES

0-320

SECTION

rai

injector

fuel

Water in fuel in carb. jector

carburetor and fuel lines.

Internal failure

Check

Incorrect idle

Adjust

il

screens

fo

found, metal particles. th complete overhaul be indicated. engine mixture.

mixture

Leak in induction

Tighten

il connections in

induction system. parts that Replace

system

ar

defective

Incorrect idle

Adjust throttle stop

adjustment

tain correct idle.

Uneven cylinder

Check condition piston rings an valve seats.

compression

Faulty ignition system

Check entire ignition

Insufficient fuel

Adjust

system. fuel pressure.

pressure Power and

Uneven Running

xture to

rich

by sluggish operation, indicated

re

exhaust flame

night. cases

Extreme

indicated

by

black smoke from exhaust.

6-

Readjustment of fuel in carburetor by jector authorized indicated.

personnel

is

L21~H/CO 0-320

OPERATOR’S MANUAL

LYCO

SECTION

10-320 SERIES ABLE CAUSE

TRO UBLE Power and

lean;

xture

Uneven Running

indicated

(Cont.)

heating

by

v e r

back-

firing

REMEDY

Check fuel lines fo dirt

other restrictions.

fuel in Readjustment carburetor by jector authorized personnel

is indicated.

Leaks in induction

Tighten

system

Replace defective parts.

Defective spark

Clean an

plugs Improper

fuel

connections.

ap

place spark plugs. th fuel

Fill tank

recommended

Magneto breaker points no working properly efective

Clean points. Check in ternal

timing

magnetos.

ignition

Check

spark

Replace connectors spark plug re.

re

etective

grade.

plug terminal

re

th elec-

tric tester. Replace de re. fective

connectors

Failure

Engine Develop Full

Leak in iriduction

Tighten

connections

system

replace defective parts.

Throttle lever

Adjust throttle

an

Power

ou

lever.

adjust-

me nt

Improper

fuel

flow

Check strainer, gage fuel and flow inlet.

estriction in ai scoop

xamine e m

ir scoop and

restrictions.

6-

OPERATOR’S MANUAL

LYCO MI

TRO UBLE

Engine Develop Full

ailure

10-320 SERIES

0-320

SECTION PROBABLE CAUSE

Improper

REMEDY ra

fuel

an

refill tank

th recommended fuel.

Power (Cont.)

Faulty ignition

Tighten ail

connections.

th Check system tester. Check ignition

timing Rough Engine

mount.

Replace

repair

Defective mount-

Install

mounting

in bushings

bushings.

Uneven

Check compression.

Cracked engine mount

pression il

il

proper level recommended oil.

dirt

emove and clean

Insufficient

Pressure ir loca

th

ll

il

in relief valve

pressure relief valve.

Leak in suction

Check

line

accessory housing and crankcase.

pressure

line

gasket

"High

High il temperature

et

ee

il Temp-

erature" in "Trouble" column.

Defective pressure

gage

Stoppage in

High il Temperature

6-

Replace.

il

Check line fo obstruc-

pump intake

tion. Clean suction

passage

strainer.

Insufficient

cooling

ir

Check

ir inlet and out-

fo deformation obstruction.

Aw 0-320

OPERATOR’S MANUAL

LYCO

SECTION

10-320 SERIES

TROUBLE

PROBABLE CAUSE

REMEDY

High Oil Temperature (Cont.)

Insufficient

proper level specified oil.

supply

grade

Clogged

il

Replace forming

il lines

Remove

il

th

c o n -

specifications. clean

il

strainers.

strainers

Usually caused by stuck rings.

Excessive

blow-by Failing bearing

th

ll

il

failed

w o

xamine sump fo metal

found, ver particles. haul engine is indicated.

Defective temp-

Replace gage.

erature gage

Excessive

grade

il

oi

forming

Consumption Failing bearings rn

ll tank

failed

th

il

c o n -

specifications.

Check sump fo metal

particles.

piston

Install

rings.

Install

rings.

rings Incorrect installation

piston

rings Failure

(new nitrided cylinders)

seat

mineral base oil.

rings

limb

cruise altitude

full po er an 75% cruise erate

setting until oi consumption stabilizes.

po

er

6-

SECTION

LATI

STORAGE

L’ICO~W1NG OPERBTOR’S MANUAL

TALLAT

STORAGE

Page

Engine

Preparation

fo

installation

.7-1

Engine Mounting Attaching Engine Inspection il an

Fuel

Propeller

ne

.7-2 .7-2

onnections

.7-2

Installation

Preparation

2

Carburetors and Fuel

Injectors fo

installation

,7-2.

Engine for: Storage

Preparation

Shipment General

. 7

Preservation

.7-3

Fuel

. . . . . . . . . . . .

il

. . . . . , . . . . , . . 7

urat on of

.7-3

Injection Installation

Seals an

Plugs

Exterior Surfaces

.7-4 .7-4

Carburetor

. 7

Fuel Injector

Recommended Procedure fo

Re-Preservation

.7-5

8-320

IMAWUAL

ER A7

LYCO

SECTION

10-320 SERIES

SECTION STORAGE

TALLATI

Before installing

TALLATI

ENGNE

EPA ATI

1.

all dehydrator plugs, m prepared fo storage, e engine. Preservative il ca bags of dessicant and preservative il from turning bottom spark plugs be removed by removi´•ng ll then four revolutions by hand. preservative il crankshaft three th ll be facilitated drain through spark plug holes. Draining above operation. preservative side during engine is tilted from side il be drained by removing hich as accumulated in th sump il an

engine

sump

that

as been

plug. Engines

removed

an

environment

preservative

hours before

possible, engine.

that have been stored in

cylinders

heat

at least

700F.

(210C.)

il is drained from

th heat lamps

cold place should be

efore

24

period

fo

cylinders. attempting

this is no drain th

replaced and crankshaft should ll sump safety-wired. interior saturate engine again be turned several revolutions ar clean oil. When installing spark plugs, make sure that th ll not, wash them in clean petroleum solvent. Of course, there clean, After

oi

sump

as been drained, th

plug th lubricating oil.

should be

this preservative il remaining in th engine, operation, th harm. However, after twenty-five hours cause m lubricating il should be drained hile th engine is hot. This il e have been present. any residual preservative oi that

be

small amount

CAUTI

before remopifig

appreciable

preservative

a m o

engine containing preservative il crankshaft of th cylinders contain an because pl mixture, resulting action, knoutn as

damage il un’th painted surfaces ll

c a u s

engine. Also,

should be avoided.

c o a c t

of

7-1

LYCO MI

ER AI

SECTION

MANUAL

0-320

10 32

IE

dehydrator plugs, containing crystals similar material, be broken during their term storage silica-gel th contents should fall upon their removal from th engine, and if any into engine must be disassembled an engine, that portion of engine. he oi strainers should be thoroughly cleaned before using removed and cleaned in gasoline some other hydrocarbon solvent. fuel injector fuel inlet fuel drain screen located in th carburetor cleaned in should also be removed an hydrocarbon solvent. valves ar sticking. they are, this operator should also note th be eliminated by coating th valve stem generously condition mixture of gasoline and lubricating oil. Should

enera

Engine Mounting

Inspection

engine

as been removed, make ithin

stresses

ne

Fuel

abnormal

Installation

propeller

installation

manufacturer’s

engine.

il an

onnect ons

fuel line connections

ar

drawings.

airframe manufacturer fo information

onsult

installation. FUEL

CARBURETOR

EPARATI

2.

produce

airframe

mounting

accompanying

called ou

relative

an

mount is no bent

this ca

Mounts

recommendations fo method

Propeller

as

engine

hich

engine.

Attaching il

that th

s u

misalignment

distortion

damaged

from

aircraft is

INJECTORS

TI

injectors that have been prepared fo storage following procedures before being placed in service. fuel

Carburetors should

undergo

Remove solvent. Fuel

th

drain preservative oil. plug clean in fuel inlet strainer assembly an hydrocarbon inlet fuel fuel strainer and drain ´•the einstall assembly. plug

Carburetor

emove

Injector

emov

fuel

drain

clean

Inject clean fuel into uncapped until clean fuel

fuel inlet connection

reinstall. outlets

inlet pressure.

7-2

fuel inlet strainer

low

from th

outlets.

assembly an th

fuel

no exceed 15

SECTION

10-320 SERIES

~320

he following

General

procedure

hich

ar

removal

Immediately prior

Preservation aircraft, th

engine should

be

installed application ll provide protection an

is intended fo

being removed from aircraft 60 days. 30 from corrosion fo period

engines,

HI MEN

STORAGE

ENGNE

EPA ATI

3.

OPERATOR’S MANUAL

LYCO

u c

given

preservation

engine from

under th

following

operating conditions. Fuel

il

Normal service fuel. Fill sump

(Soconoy’s

Avrex

normal

capacity

th

preservative type lubricating

901, Esso’s "Rust Ban 626"

il

equivalent).

holding 1800 RPM. precautions pertaining maximum engine speed head, ignition ground running should be carefully observed. Cylinder exceed no be allowed harness, and magneto temperatures should uration

Operate th

of

prescribed

engine fo

period

four minutes,

limits.

preservation run, drain Compound Injenion Upon completion engine and remove, clean and replace preservative il from

il

engine checks, such as hich require rotation ignition timing, valve clearance e m spark plugs. crankshaft. Disconnect th ignition harness an suction an

il pressure screens. Perform

bottom make certain piston is th cylinder Starting il as th preservative oi (use same compression stroke. Fill cylinder to crankshaft until piston is specified fo preservation run) and rotate order to preserve th top ll spill ou of spark plug hole. il center. blow either rock engine, ll be necessary wall cylinder, spark plug hole. Following th very light pressure into compressed ir same remainder of cylinders in engine firing order, preserve exhaust port cylinders have been treated, then spray th a n n e r When th th piston /4 turn before top center each cylinder an valve further need exists fo th exhaust stroke. When absolutely certain that th spark plug crankshaft, again spray each cylinder through turning 2200F, (930C. 2000F. holes. (Maintain spray nozzle temperature 104"0.) fo ail spraying operations.)

7-3

a 7

LYCOMING OPERAIOR’S MANUAL

c o

SECTION Installation

10-320

0-320

of

Plugs

Seals

ERIES

cylinder dehydrator plugs (Avco Lycoming /N 40238 equivalent) in spark plug holes. Install ignition cable protectors (Av th spark Lycoming /N 40239 equivalent) terminal each ignition able an secure by attaching th en hich il seals ar provided dehydrator plug. Flush all accessory drives fo th preservative il before assembling drive covers. uita le c o v e should be used in sealing th exhaust ports; moisture resistant tape re Tape (Minnesota Mining and Manufacturing Company, 711 Acetate ll be sufficient fo equivalent) ground connections and similar openings. Install plug (Avco Lycoming /N 1540 equivalent) in thermometer well il pressure s e a ce e n housing. Install breather sealing caps (Avco Lycoming /N 61595 equivalent) opening (Avco Lycoming /N 61596 equivalent) generator alternator blast tu e. Instal tachometer drive ap (Av Lycoming /N 61545 tachometer all other drive. k e sure equivalent) openings ar properly sealed. Exterior

Surfaces

should be coated

Install

exposed cadmium plated and machined surfaces

corrosion-preventative compound (E F. osmoline 105 starter ring equivalent).

ith soft-fil

Houghton an Company, propeller mounting surfaces gear th compound. coating Carburetor

flushing rocking

oi

ra

all residual

(MIL-C-16173, carburetor.

plugs. Lock

rai

throttle

in

particular

gasoline

Grade

e x c e s

and flush

il from

closed position

Injector

An

liberal

carburetor, fill

from

cardboard container.

Fuel

should receive

interior surfaces

th

by

fuel passages and replace carburetor in pack

unit taken ou

units being returned fo service, th preserving il (Specification MIL-0-6081, overhaul, must be flushed Grade 1010), using following procedure.

Remove plugs and drain 15 ir pressure

injector.

injector.

il fuel from

fuel

inlet,

until

il fuel is

available, apply 10

discharged

Replace plugs and apply flushing oi filtered through

13

15

fuel inlet until

Replace fuel inlet plug. 7-4

il is

discharged

from

10 micron filter

from

line. s ev o

LtrA

LYCOMING OPERATOR’S MANUAL

CO

10-320 SERIES

0-320

ECT UTION

exceed

injector

result.

After dust

recommended ai

filling dirt,

and

th preservative

pressure

as

internal

damage

il th

injector should be protected from given such protection against moisture as climatic point storage require.

and

conditions

injector shall be tagged as ollows: fuel chambers and passages this fuel injector it il conforming preserved Specification MIL-0-6081, Grade 1010. Before using de-preserve in accordance th instructions in operator’s manual.

Shipping

th preceding steps, Upon completion be secured in suitable engine shipping container. date and should be following legend legibly marked Case

engine should preservation th

side

container:

(Date) storage

shall be

th

inspected

(whichever

engine

preservative oi altd c c u r

arrival

sooner)

e a

cylinder

destination determine

agent is necessary. 4.

RECOMMENDED

RO CEDURE

engine shall be examined

locality).

preserved for

if

days

short

t e r m

crankcase dehydrator plugs above date days after

rene

al

of

th

dehydrating

RE-PRESERVATION.

eather every 30 days (or less, depending evidence corrosion is present, affected area should

be cleaned free of corrosion

engine re-preserved.

Engines prepared in no adequately protected n n e ar preceding a fo extended periods th of 60 days, is found that storage. engine must remain in storage fo an additional period, engine must be re-preserved according foregoing procedure. NO

ll be Inspection re-preservation responsibility engine manufacturer after engines have been shipped from engine shall be manufacturer’s plant. responsibility consignee pu

engines

into service in

storage period

order

minimum.

storage preparation date

reduce

7-5

LYCOMING OPERATOR’SMANUAL SECTION

10-320 SERIES

0-320 FU

RICH

FUEL

IDLE SPEED

.250-IBNPSF

ADJUSrMENT

YMctTHROTTLE 40

\OPEN

cLosE$CC~Mlilk’is

IDLE CUT-OFF

83"

FUEL DRAIN

CARBURETOR

PA

FUEL PRESSURE CONN.

~7;4375-20

3TH~

U)LE SPEED

R1CH

i’

-6

7"

CU THROTTLE

CLOSED

OUTLET

72’

.4375-20 UNFATHD FUEL INLET .5625-18 UN

IDLE MIXTURE ADJUSTMENT

3A TH

THROTTLE OPEN RSA- 5ADI

FUEL

Figure 7-1. 7-

OF

ECTO Fuel

A-5AD1

Metering Systems

FU/EL

FUEL INLET

STRnlNER

t~c,

FUEL FLOW

INDICATOR

W~

FLOW DIVIDER METERING

JE

II

II

ii

’1

II

II

II

THROTTLE VP~LVE

I’I’

5-3 [GTHROTTLE

LEVER

FLOW DIVIDER DIL1PHRAGM INCH O.D. ST~INLESS STEEL LINE

,I

CONNECTED TO

FUEL

/INL ET

MANUAL MIXTURE CONTROL aN

IDLE

CUT-OFF LEVER

(ONE PER CYLINDER) II

II

!I

FLOW DIVIDER VALVE

II

CONSTP~NT HEL~D IDLE SPRING

VnLVE LEVER

CONSTANT EFFORT

VENTURI

SPRING IR DIAPHRAGM

IDLE MIXTURE

ADJUSTMENT

;1;ViFt--- -IMPnC

FUEL DIAPHRAGM s n L L

NOZZLE

ADJUSTMENT

"TjP

‘IDLE VALVE LEVER

THROTTLE LEVER

I ;f

IDLE SPEED

SECTION

LINKAGE

’I

vnLvEi-

Figure

nl

TUBE

~p

INLET

7-2. Fuel

Jnjector System

RS AD1

a 7

c o

LYCOMING OPERATOR’S MANUAL

SECTION

0-320

10-320 SERIES

GROUND

TERMINAL

GROUND

TERMINAL

S4LN-21

S4LN-20

RETARD TERMINAL GROUND

TERMINAL

S4LN-200

S4LN-204

RETARD

TERMINAL

SWITCH TERMINAL S4LN-1208

S4LN-1209

GROUND TERMINAL

SLICK- 4051 SLICK-4050

Figure 7-3. Magneto Connections 7-8

a 7 A ~ c

0-320

10-320

OPERATOR’S MANUAL

LYCO

IE

SECTION

TO COOLER .375-18 NP

OI

IL F R O M COOLER .375-18 NPT

5"

~Q

‘lir]~

S P E C I A L TEMPERATURE CONNECnON STANDARD TEMPERATURE CONNECTION TO TAKE MS 28034-1 TEMPERATURE BULB OR EQUIVALENT NF-3 FO OI TO COOLER.562537 FLARED TUBE COUPLING

OI

CONNECTING

FROM C0OLER.375-18 NP

THERMOSTATIC OIL BY-PASS VALVE

30

8E ROTATED TO AN RADIAL POSITION

,tCAN

IL TO COOLER .375-18 NPT CONNECTION

IL TO COOLER .750-16 FOR CONNECTING FLARED TUBE COUPLING

Figure 7-4. Optional

il Cooler

onnections

7-9

-´•3

PRIMER LINE OR MANIFOLD PR SSUR

BREATHER FITTING

CONNECTION-S-

ACCESSORY OIL RFTURN

(3

GI)

CONNECTION

Il~d FUEL PUMP OUTLET

;1P

OOh)O ~O

CENTER OF GRAVITY OIL SUCTION S C R E E

’8%

PRIMING LINE

CONNECTION

OIL DRAIN

50

Figure 7-5.

Jnstallation

Drawing

ef Side View

Typical 0-320-A, -B

eries

BREATHER FITTING FROM COOLER

TACHOMETER CONNECTION

~ic O1 ~F

4c01L TEMP CONNECTION

OIL PRESSURE SCREE

~e ~e

~O

VACUUM PUMP PAD DUAL DRIVE PAD

MAGNETOS

PRESS. GAGE CONN.

lk,

OIL FILLER TUBE AN OIL

CENTER OF GRA’

LEVEL

GAGE

TO COOLER

OPTIONAL C O N N E C T I O N S FIG. 7~F;ic MAGNETO CONNECTIONS SE nG.7-3

ACCESSORY OIL RETURN

~e

Figure

7-6. Installation

O1

Drawing

DRAIN

ea

View

OIL LINE TO PROP

OV

pical 0-320-A, -B Series

i~

oR

MANIFOLD PRESSURE

BREATHER FITTING

CONNECTION

b)

I

ACCESSORY OIL RETURN

VENT LINE

CONNECTIONh,

PUMP OUTLET PRIMER LINE CONN.

CENTER OF GRAVITY

OIL SUCTION SCREEN

_ _ _ _

~-01L DRAIN

IL DR AIN~

Figure

7-7. Installation

Drawing Left Side

View

Typical 0-320-

-E Series

7p

13

~- TACHO METER CONNECTION

BREATHER FITTING ~c OIL FROM COOLER---\ ~ic OIL

--01L TEMP CONNECTION

~VACUUM PUMP

PRESSURE SCREEN

PA

DUAL DRIVE PAD

~MAGN EI

OIL PRESS. GAGE CONN.

V,j~f

TUBE

O’

CENTER

AN

OILGAGE

OF

LNEL

GRAVIM

ACCESSORY OIL RETURN

~OPTIONAL CONNECTIONS

OIL LINE TO PROP

II

GOV.

csn FIGURE 7-4)

COOLER OIL SUCTION SCREEN

MAGNETO CONNECTIONS (SEE FIGURE 7-31

OIL DRAIN PLUGS

4´•1

Figure 7-8. Installation Drawing

ea

View

Typical 0-320-D,

-E Series

~P

NOZZLE PRESSURE GAGE

PRESSURE CONN.

I!

FLOW DI ID

BREATHER FITTING

VENT LIN CONNECTION

O:

PUMP

CENTER OF GRAVITY

rn

OIL DRAIN FUEL LINE

Figure

7-9. Installation

FLOW DIVIDER

Drawing Left Side View

INJECTOR

FUEL

NL ET

pica IO-320-

eries

~VACUUM PUMP

TPCHOMETER CONNECTION OI

PA

OIL PRESSUR LINE CONNECTION

FROM COOLER--\

MAGNETO S4LN-21 OI FILLER PLUG AN

MAGNETO S4LN-20

OI

LEVEL G A G E

c,

GROUND

TERMINAL

c,

GROUND TERMINAC

OILTO COOLER

VENT LINE

CONNECTION

i~ OI U~

PROPELLER

OI

GOVERNOR PA

DRAN SUCTDN SCREEN

FUEL INJECTOR IN_ET

Figure 7-10.

FUEL INJECTOR OUTLET

Installation

Drawing

ea View

Typical

IO -320-

Series

C h e c k V a lv e

Oi

Filler

On Engine

Oi

Near Side

Line

Oi

Dipstick

Breather Line

Separator

S c a v e n g e Pump Scavenge

AVCO \U AVCO LYCOMING LYCOMING

3600

Oil Pick Up

Breather

O i T an k Fa Side

Oil Scavenge On Engine

Line----/ll \2~.

O i l S u c ti o n Line

Check ~olve

Breather Lin

~o

Oil Return

Figure

7-11.

il

System

chemati

AIO32

Series

ECT

LE

LYCO

ERATOR

MANUAL

TABLES

Page Table

After

roun

Flight Test

After

Full Throttle

Table

.8-1

mits

op Overhaul

.8-2

Overhaul

.8-3

.8-4

Speed Equivalents

Centigrade-Fahren heit Conversi Inch

.8-4

at Altitude

Fraction Conversions

Table

.8-6

~ZIANCO

0-320

OPERATOR’S MANUAL

LYCO

10-320 SERIES

ECTI

ECTI

TABLES

TIGHTENI FOR MATI

TORQUE

CO CE

THAT MUST BE MAINTAI

ENGINES,

CON SULT

TO LE AN CE

ED

LATEST

CON SULT LATEST EDTI

CORRECTLY

EN ATIO AN

AN

MENS

MING AI AVCO LYCO EDTI

ECIAL

O.

1150

OF

ERVICE

FOR MATI

ER VICE

TALLINGCYLIND ER AS EMBLY

TRUCTI ERTI

NS

CRAFT

SSP20?0.

UBLICATIO

1029

EC

EN

WI

00

f; GRO ND

AFTER OP OVERHAUL

Type Aircraft

RING

CYLIND ER CHANGE WITH

Registration AFTER MAJ

(D

OVERHAUL)

oa

Aircraft

Avoid

dusty

o.

loose stones.

location

2. Head aircraft into

o.

ind.

flaps open, place, co cowling flat full in pitch. Accomplish ground 5. ever exceed 2000F. oil temperature. 6. cylinder head temperatures reach 4000F., allow engine to cool before shut down an should be in

3.

tinuing.

Engine

odel

at

Run-Up By

GROUND

Pressure Temperature IFuel F~o R.cvllL.oillR.oill L.fuellR.fuell L.carbrR.carb Amb.AirlLeftIRight

Temperature RPM1MAP IL. oi 1IR. oil(L ime min11000

~P

10 ~d

10 mi yS

minr15001

~Z minll7

min11800 Mag.

heck

Power Check

Idle

heck

Adjustment Required

After Completion of 1.

roun

Visually inspect engine(s) level(s)

Check oil

Runl

FLI

OVERHAUL HT TEST AFTER NG ER CHANGE WITH

CYLI

hour. least power for cruise. er for climb, and at fo cooling. 3. Make climb shallow nd at good airspeed instrument readings during climb and cruise. ecord Test

2. Us

fl

aircraft

standard po

(7

engine

4.

Tested by FLIGH

Te

Time

erature

TESTIZ~ Pressure

RPMIMAPI L.oil/ R.oil~ L.cyllR.cyllL.oil IR.oil (L.fuel

Temperature

fuel Il.carblR.carbl AmbAir

C1

Fuel Flow

ftl‘ET.ight

limb

Cruise After Test

Adjustments Required After Flight

Make careful visual

Flight

inspection of engine(s).

level(s). consumption is excessive, (see operator’s m spark plugs and check manual for limits), e cylinder barrels fo scoring. 2. Check oi 3.

oD

oil

lo

LYCO MI

~aAh/co

OPERATOR’S MANUAL 10-320 SERIES

0-320

SECTION

ALTITUDE

FULL THROTTLE

(Normally Aspirated Engines)

Altitude

8.

Altitude

8.

Altitude

8.

10,000 11,000 12,000 13,000 14 ,000 15,000 16,000 17,000 17 ,500 18,000 18,500 19,000

70.8 68.3

19,500 20,000 20,500 21,000 21,500 22,000 22,500 23,000 23,500 24,000 24,500 25 ,000

49.1

H.

10

50

98.5

1,000 2,000 2,500 3,000 4,000 5,000 6,000 7,000 8,000 9,000

96.8 93.6 92.0 90.5 87.5

84.6 81.7

78.9 76.2 73.5

TABLE OF SPEED

63.4 61.0 58

56.5 54.3 53.1 52.1 51.4 50.0

50

60.0

47.6 46.0 45.2 44.0 43.3 42.2 41.4 40.3

39.5 38.5

EQUIVALENTS H.

Sec./Mi.

Sec./Mi. 72.0

65.8

48.0

Sec./Mi.

24.0

15

.4

25

22.5

16

13.8

26

51.4

70

21.2

170

13.3

270

45.0

80

20.0

18

12.8

28

40.0

90

18.9

190

12.4

290

36.0

100

18.0

200

12.0

300

32.7

11

17.1

21

310

30.0

120

16.4

220

27.7

130

15.6

230

11.6 11.2 10.9

25.7

14

15.0

8-4

10.6

320 330 340

LYCOMING OPERATOR’S MANUAL ECTI

10-320 SERES

0-320

CEN TI

Example:

ADE-FAHREN HEI

conver 200C.

TABLE

CON ERSI

Fahrenheit, find 20

center column

in

headed (F-C); then read 68.00F. in th column (F center column an 200F. Centigrade; find 20 in

right.

convert

read -6.670C. in

left.

(C column

-C

F-C -56.7

-70

-94.0

104.44

428.0

-51.1

-6

-76.0

110.00

446.0

-45.6

-50

-58.0

115.56

464.0

-40.0

-40

-40.0

121.11

482.0

-34.0

-30

-22.0

126.67

-28.9

-20

-4.0

132.22

518.0

-23.3

-10

14.0

137.78

536.0

32.0

143.33

290

554.0

-17.8 -12.22

10

50.0

148.89

300

572.0

-6.67

20

68.0

154.44

310

590.0

30

86.0

160.00

4.44

40

104.0

165.56

330

10.00

50

122.0

171.11

340

15.56

60

140.0

176.67

21.11

70

158.0

182.22

26.67

80

176.0

187.78

194.0

193.33

212.0

198.89

734.0

43.33

230.0

204.44

752.0

48.89

248.0

210.00

770.0

266.0

215.56

788.0

284.0

221.11

806.0

32.22 37.78

54.44

100

130

60.00

608.0 644.0 662.0

36

680.0 698.0

38

716.0

65.56

150

302.0

226.67

824.0

71.00

160

320.0

232.22

842.0

76.67

170

338.0

237.70

860.0

82.22

18

356.0

243.33

878.0

374.0

248.89

896.0

87.78 93.33

200

392.0

254.44

914.0

98.89

210

410.0

260.00

932.0

Kevised Mav. 1980

8-5