Plano Hidraulico Cat D6M

FLUID POWER SYMBOLS

SENR8390-01 May 2005

BASIC COMPONENT SYMBOLS

MAIN  AUX.

PUMP or MOTOR

S PR PR IN G

C ON ON TR TR OL OL V AL AL V ES

LINE RESTRICTION (VARIABLE)

PRESSURE COMPENSATION

FLUID CONDITIONER

SPRING (ADJUSTABLE)

VARIABILITY

TWO POSITION

PUMP: VARIABLE and 2-SECTION PUMP PRESSURE COMPENSATED

LINE RESTRICTION (FIXED)

RESTRICTION

HYDRAULIC PNEUMATIC ENERGY TRIANGLES

VALVES

VALVE ENVELOPES

ONE POSITION

 

THREE POSITION

 ATTACHMENT

LINE RESTRICTION VARIABLE and PRESSURE COMPENSATED

VALVE PORTS

TWO-WAY

 

 

THREE-WAY

CONTROL VALVES

FOUR-WAY

CHECK VALVES

 A B

 A B

P T SHIFTED POSITION ON

P T NORMAL POSITION

INFINITE POSITION ON

MEASUREMENT

PRESSURE

 

S HUTT LE

SPRING LOADED

BASIC SYMBOL

PILOT CONTROLLED

ROTATING SHAFTS

 

TEMPERATURE

FLOW

UNIDIRE CTIONA L

BIDIRECTIONAL

FLUID STORAGE RESERVOIRS

D6M Track-Type Tractor  Hydraulic System 9ZM1-UP 2RN1-UP 3WN1-UP 4JN1-UP 5NR1-UP

5WR1-UP 6LR1-UP 2YS1-UP 4GS1-UP 4HS1-UP

V ENT ED

RETURN ABOVE FLUID LEVEL

P RE SS URIZ ED

RETURN BELOW FLUID LEVEL

COMBINATION CONTROLS

SOLE NOID

SOLENOID or MANUAL

SOLENOID and PILOT or MANUAL

SOLENOID and PILOT

S ERVO

 

THERMAL

DETENT

MANUAL CONTROL SYMBOLS

PUSH-PUL L LEV ER

MANUAL SHUTOFF

GENERAL MANUAL

P USH BUTTON

PEDAL

S PRING

PILOT CONTROL SYMBOLS RELEASED PRESSURE

EXTERNAL RETURN

REMOTE SUPPLY PRESSURE

INTERNAL RETURN

SIMPLIFIED

CROSSING AND JOINING LINES

ACCUMULATORS

SPRING LOADED

GAS CHARGED

LINES CROSSING

HYDRAULIC PUMPS FIXED DISPLACEMENT

 

SINGLE ACTING

LINES JOINING

VARIABLE DISPLACEMENT NON-COMPENSATED

FIXED DISPLACEMENT

VARIABLE DISPLACEMENT NON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

BIDIRECTIONAL

INTERNAL SUPPLY PRESSURE

DOUBLE ACTING

INTERNAL PASSAGEWAYS

HYDRAULIC MOTORS

UNIDIRECTIONAL

 

COMPLETE

HYDRAULIC AND PNEUMATIC CYLINDERS

PARALLEL FLOW

FLOW IN ONE DIRECTION

TWO POSITION

THREE POSITION

INFINITE POSITIONING

CROSS FLOW

FLOWALLOWEDIN EITHER DIRECTION

Printed in U.S.A.

©2005 Caterpillar   All Rights Reserved

Electrical Symbols Table Hydraulic Symbols (Electrical (Electrical))

M

G Transducer  (Fluid)

Transducer  (Gas / Air)

Pressure Switch (Adjustable)

Pressure Switch

Generator 

Electric Motor 

Electrical Wire

Temperature Switch

Electrical Symbols (Electrical)

T

Pressure Symbol

Temperature Symbol

Flow Symbol

Level Symbol

Wire Number Identification Codes Electrical Schematic Example

Harness identification code This example indicates wire 135 in harness "AG".

Hydraulic Schematic Example Current Standard

Current Standard Wire

Circuit Number  Identification

Wire Color 

325-AG135 PK-14 325-PK Circuit Identification Number 

W i re C ol ol or or

W irir e G au au ge ge

Previous Standard Wire Color 

Wire

325-PK-14 B Circuit Number  Identification

A

Wire Gauge (EXAMPLE VALVE)

   1    0      0    9   e    3   g    P    8   a    R   8    N    E    S

Z

 Y

7 8 AA

V

BB

E

6 R Q 17

D

V

X

19 20 W

17 U

19 20

10

5 T S

12 D U V

B

T

A S

4

C

N

8 M

18 P

K

CC E EE

3

CC 16

2 N

M

11

L D 1

13

K

9

J F

14 15

H

D74312

E

G

9

   1    0      0   W    9   &    3   B  ,    8   e    g    P    R   a    N   8    E    S

Description

1

4 Bank Valv e Group (All Dozers with Ripper)

1

3 B an k V al ve G ro up ( St an da rd " P" D oz er )

1

2 B an k V al ve G rou p( "S U" B lad e)

1

Inlet Manifold Cover Assembl y

1

3

D oz er L if t V al ve G ro up ( ST D " P" L if t)

10

D6M Schematic

1

I t em

Dozer Lift Valve (Dozers with "SU" Blade or  Ripper)

1

 A

4

Dozer Tilt Val ve Group (STD)

1

B

5

Do zer A ng le V al ve G rou p( ST D)

1

C

Ripper Lift Valve Group

1

D

7

End Cover

1

E

Pump Case Drain

8

Check Valve Group

2

F

Implement Return

9

Cyl inder Group (STD "P" Lift)

2

G

Float Detent

Cylinder Group ("SU" Lift)

2

H

Pump Signal

10

Cyl inder Group (STD "P" Tilt)

1

I

Ports Blocked when Using "SU" Blade

Cylinder Group ("SU" Tilt)

1

J

11

Cy li nd er G roup ( STD "P "A ngl e)

2

Line AA-BB Blocked for Power Beyond End Cover  Line AA-BB Open for Standard End Cover 

 

D es cr ip ti on Cylinder Bypass Rod End Head End  

Suction

Cyli ndeer Group (Ripper Lift)

2

K

For Power Beyond Use 4T-7862 End Cover 

13

Tank Group

1

L

System Pressure

14

Filter Element

1

M

15

Pump Group

1

N

16

M ak e U p V al ve G ro up ( Wi th L in e R el i ef )

2

17

Make Up ValveGroup With Line Relief  (Dozers With "SU" Blade or Ripper)

1

18

Plug

2

19

Seal

2

12

 

9

Quantity

2

6

10

12

Hydraulic System Components Item

11

1

2

3

4

5

6

7

8

17 18

15 14 13 16

Signal Pressure  

Baffle

d74513