Circuito hidraulico retros 416c-426c-436c.pdf

SENR1213-02 January 1999

FLUID POWER SYMBOLS BASICCOMPONENTSYMBOLS MAIN

PUMPORMOTOR

FLUIDCONDITIONE R

VA R IA BI IL T Y

SPRING (ADJUSTABLE)

S P RI N G

CON T RO L V A LVE S

LN I E RE STRI C TI O N (VARIABLE)

PRESSURE COMPENSATION

L I NE R E S T RC I TI O N (FIXED)

HYDRAULIC PNEUMATIC ENERGYTRIANGLES

T WO P OS T I O I N

PUMP (VARIABLE&PRESSURE COMPENSATED)

LINERESTRICTION (VARIABLE&PRESSURE COMPENSATED)

ATTACH MENT

VALVE PORTS

T HR EE P OS T I O I N

TWO -WAY

THREE -WAY

CONTROL VALVES AB

AUX

PUMP (2 - SECTION)

VALVES

VALVE ENVELOPES

O NE P OS T I O I N

RES T RI C T ION

FOUR -WAY

CHECKVALVES

A B

P T

P T

NORMALPOSITION

S HI FTE DP OSI TI ON

BASIC SYMBOL

I NFNI I T EP OS I TI ON

SPRING LOADED

S H UTTL E

P LIO T CONTROLLED

FLUIDSTORAGE RESERVOIRS

416C, 426C & 436C Backhoe Loader Hydraulic and Steering Systems 416C: 5YN1-UP 4ZN1-UP 1AR1-UP 1BR1-UP 1KR1-UP 1LR1-UP 1WR1-UP 1XR1-UP

426C: 6XN1-UP 7WN1-UP 1CR1-UP 1ER1-UP 1MR1-UP 1NR1-UP 1YR1-UP 1ZR1-UP

VE N TE D

P R E S S U RI Z E D

RE T URN ABO VE FL U ID LE V E L

PRESSURE

ROTATING SHAFTS

TEMPERATURE

FLOW

U NI DI RE CT O I NA L

BD I R I EC TI ON AL

COMBINATIONCONTROLS

436C: 8TN1-UP 9JN1-UP 1FR1-UP 1GR1-UP 1PR1-UP 1RR1-UP 2AR1-UP 2BR1-UP

SOLENOID

SOLENOID OR MANUAL

SOLENOID &PILOT

SOLENOID& PILOTORMANUAL

SERVO

THERMAL

DETENT

MANUALCONTROLSYMBOLS

PUSH - PULL LEVER

MANUALSHUTOF F

GENERAL MANUAL

E XT ER NA L RE TU RN

SPR I N GL O AD ED

I NT ER NA L RE TU RN

PEDAL

G A S CH A R GED

SIMPLIFIED

L I NE S C R O S SI N G

COMPLETE

FIXED DISPLACEMENT

UNIDIRECTIONAL

INTERNAL SUPPLYPRESSURE

HYDRAULIC& PNEUMATICCYLINDERS

LIN E S J OI NN I G

SINGLEACTING

HYDRAULICMOTORS

VARIABLEDISPLACEM ENT NON-COMPENSATED

SPRING

REMOTESUPPLYPRESSURE

CROSSING & JOINING LINES

HYDRAULICPUMPS FIXED DISPLACEMENT

PUSH BUTTON

PILOTCONTROLSYMBOLS

RELEASEDPRESSURE

ACCUMULATORS

DOUBLEACTING

INTERNAL PASSAGEWAYS

VARIABLEDISPLACEM ENT NON-COMPENSATED

INFINITE POSITIONING

3POSITION

2POSITION

UNIDIRECTIONAL

BIDIRECTIONAL

© 1999 Caterpillar, All Right s Reserved

RE T URN BEL O W FLUI DL E V EL

MEASUREMENT

FLOW IN ONE DIRECTION

BIDIRECTIONAL

PARALLEL FLOW

CROSS FLOW

FLOW IN EITHER DIRECTION

Printed in U.S.A.

ELECTRICAL SYMBOLS TABLE HYDRAULICSYMBOLS (ELECTRICAL)

G

TRANSDUCER (FLUID)

PRESSURE SWITCH

TRANSDUCER (GAS/ AIR)

PRESSURESWITCH (ADJUSTABLE)

M

GENERATOR

TEMPERATURE SWITCH

ELECTRICMOTOR

ELECTRICAL WIRE

ELECTRICAL SYMBOLS (ELECTRICAL)

T

PRESSURE SWITCH

TEMPERATURE SWITCH

LEVEL SWITCH

FLOW SWITCH

WIRE NUMBERIDENTIFICATIONCODES

ELECTRICAL SCHEMATICEXAMPLE

HYDRAULICSCHEMATIC EXAMPLE

CURRENT STANDARD

CURRENT STANDARD

HARNESSIDENTIFICATIONCODETHISEXAMPLE INDICATESWIRE135 INHARNESS“AG” WIRE CIRCUITNUMBER IDENTIFICATION

325-AG135PK-14

CIRCUITNUMBER IDENTIFICATION

WIRE COLOR

325-PK

PREVIOUSSTANDARD WIRE

WIRECOLOR

WIRE GAUGE

WIRECOLOR

) s e

h c n i 4 2 x s e h c n i 4 3 : s n o i s n e m i D (

2 0 3 1 2 1 R N E e , S g a

P 6 1

31 30 1

4

2

5

7

6

3

8 L

R

Item No.

Single Tilt LS

T

P

12

13

11

14

15

16

17

18

44 45

42

43

9

10

41

39

40

26 37 38 27

36

35

48

Component

1

FrontSteeringCylinde r

2

2WSSteeringMeterin gPump

3

AWSSteeringMeterin gPump

4

AWSBrakeControlValve

5

Multipurp oseBucketCylinder(Optiona l)

6

AWSRearAxleBrakes

7

LoaderValv eGroup

8

AuxillaryContro lValve(Optional)

9

LinestoAuxillaryCylinde rs(Optional)

10


11

BoomCylinder

12

SwingCylinders

13

LeftStabilizingCylind erandCheckValve

14

RightStabilizin gCylinderandCheckValve

15

BackhoeBucke tCylinder

16

Extendib leStickBucketCylinder(Optional)

17

StickCylinder

18

Extendib leStickCylinder(Optional)

19

Extendib leStickControlValve(Optional)

20

StickControlValve

21

BucketControlValve

22

RightStabilizerControlVal ve

23

LeftStabilizerControlValv e

24

SwingControlValve

25

BoomControlValve

26

TiltControlValve

9

17

25

23

24

22

20

21

19

46

34 28

30

28

23

27

22

26

21

10

20

8

19

7

44 35

4 18 3

32 39

38

6 45

36 43

46

40

27

LiftControlValve

28

AWS3BankValve(Optional)

29

AWSInletManifoldandSteeringPrior ityValveGroup

30

2WS3BankValve(Optional)

37

LiftCylinders

38

AWSRearSteeringCylinder(Optio nal)

39

AWSSteeringValveandMoun tingGroup RideControlAccumul ator(Optional)

31

2WSInletManifoldandSteeringPrior ityValveGroup

32

PistonTypeHydrauli cPump

42

TiltCylinder

33

HydraulicOilTank

43

AWSValveAssemb ly

34

HydraulicOilCooler

44

AWSBrakeReservoirTankGroup

47

OrificeDiameter1.5mm(0.06in)

35

AWSOilPressure Switch

45

ReturnLineHydraulicOilFilter

48


36

RideControlPressureSwitch(Option al)

46

CheckValve

49


41

RideControlSolenoi dValve(Optional)

9

7

5 6

11

8

10 HydraulicSchematic -Parallel Lift

P 6 1

R

L

Parallel Lift 47

48

'B'

40

LS

T

P

14 13

'A'

49

46 45

5

37

41

Item No.

2 0 3 1 2 1 R N E e , S g a

1

43

13

3

) s e h c n i 4 2 x s e h c n i 4 3 : s n o i s n e m i D (

42

12

1 4

34

2

11

32

49

2

33

29

31 33

29

24

16 15

40

47

25 HydraulicSchematic -Single Tilt

44

42

11

12

15

16

17

18

19

20

1

FrontSteeringCylinde r

2

2WSSteeringMeterin gPump

3

AWSSteeringMeterin gPump

4

Multipurp oseBucketCylinders(Option al)

5

BroomMotor(Optional )

6

PinCouplerCylinder(Option al)

7

CouplerValveandMoun tingGroup(Optional)

8

ManualShutOffValve(Optional )

9

LoaderValveGrou p

10


11

LinestoAuxillaryCylinde rs(Optional)

12


13

BoomCylinder

14

SwingCylinders

15

LeftStabilizerCylinde randCheckValve

16

RightstabilizerCylinde randCheckValve

17

BackhoeBucke tCylinder

18

Extendibl eStickBucketCylinder(Optional)

19 20

43 39 41

38

P LS T

31

28

StickCylinder Extendibl eStickCylinder(Optional)

19 17

30 48

37

1

47 35

46 28 49

43

4 41

42

5

44

6

45

7 8

36

HydraulicOilTank

37

HydraulicOilCooler

38

AWSOilPressure Switch

39

LiftControlValve

LiftCylinders

24

RightStabilizerControlVal ve

43

AWSRearSteeringCylinder(Option al)

25

LeftStabilizerControlValve

44

AWSBrakeControlValve

38

15

42

30

9

14

BucketControlValve

AWSBrakeReservoirTankGroup

10

12

2

23

29

31

21

3

41

BoomControlValve

32

22

29

40

SwingControlValve

33

23

36

Extendibl eStickControlValve(Optional)

AWSRearAxleBrakes

34

24

8

StickControlValve

28

39

25

20

21

27

40

26

18

22

26

51 50

Component

27

TiltControlValve RidecontrolPressureSwitch

RideControlSolenoidVal ve(Optional)

45

RideControlAccumula tor(Optional)

46

AWSSteeringValveandMoun tingGroup(Optional)

47

AWSValveAssemb ly

48

TiltCylinders

49

ReturnLineHydraulicOilFilter

50


Circuito hidraulico retros 416c-426c-436c.pdf

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