Sơ đồ thủy lực máy đào caterpillar

Trang 1

Printed in U.S.A.

SENR5457 November 1992

320 and 320 L Excavators

Hydraulic System

320:

2DL1-UP

3RK1-UP

7WK1-UP

320 L:

1TL1-UP 4BK1-UP 9KK1-UP

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SENR5457

Trang 3

JR1 JR3 JR2 JR4

JRT JRP JL4 JL2

JL1 JL3

JLT JLP

Pp3

A B B

AR1 BR1

ST

AL2 BL2

X DR

R2 HL

dL5

aL5 aL4

AL3 BL3 aL3 aL2 BL1 aL1 PSW aR1

aR2 AR2 BR2 aR3 dR4

Y

HR AR4 R1

dSW bR2 bR1 dST1 PR PL PP bL1 PAT bL2 bL3 PiB bL4 PiL

bR3 aR4

SA5 SA4 SA3SA2 SB5 SB4 SB3 SB2 SB1 SP

(F)

BP1 BT BPi BP3

J

R1

S

R2

X1

X2

X3 A1 A2

R1

A3 AP2

PAC

DR Pi3

PG

DR4 DR Pi2 Pi

R3 R4

R3 AR3

PTA AT

MU DR

TT

A

TP

TLA2

BDr

TLA1 TRA1

PSL APi

TRA2

BL4 BR3

151-9749

MAIN CONNNECTOR LINE

PILOT LINE

DRAIN LINE

1 2

3

4

7

8

9 10

11 12 13

15

16

17

18

19

20 21 22

23 24

27 26

25

37

38

28 29

30 31

14

39 40 41 42 43

44 46

47

48 51

49

50

32 33

34

e96879

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RENR3819-07 August 2005

320C Excavators Hydraulic System

BEA1-UP FBA1-UP GAA1-UP GHA1-UP GLA1-UP MAA1-UP PAA1-UP ANB1-UP BCB1-UP BDB1-UP MAB1-UP PAB1-UP AMC1-UP BBC1-UP BDC1-UP FBC1-UP GAC1-UP HBC1-UP CCD1-UP

BDE1-UP ALF1-UP BEF1-UP DBG1-UP EAG1-UP GNG1-UP JTG1-UP AKH1-UP AXK1-UP BBL1-UP EGL1-UP BCN1-UP SBN1-UP BER1-UP BPR1-UP HKT1-UP RAW1-UP BRX1-UP BMZ1-UP

Printed in U.S.A.

Pi4

HR

R3

HL

Pi2 Pi1

AR5

P1 P2

PSA2

PSA1

PAC

T-OUT(2)

DR2

RD3

RD4 Pi2

DR5

T-OUT(1) DRG

45

46

48 47

10 MAIN CONTROL VALVE

41 PILOT OIL MANIFOLD

f04860

17

30

ONE POSITION TWO POSITION THREE POSITION

VENTED PRESSURIZED RETURN ABOVE FLUID LEVEL RETURN BELOW FLUID LEVEL

LINES CROSSING LINES JOINING

TWO-WAY THREE-WAY FOUR-WAY

SPRING CONTROL VALVES RESTRICTION LINE RESTRICTION

(FIXED)

2-SECTION PUMP MAIN AUX.

SPRING (ADJUSTABLE) VARIABLILTY LINE RESTRICTION

(VARIABLE)

LINE RESTRICTION (VARIABLE and PRESSURE COMPENSATED) PRESSURE

COMPENSATION

PUMP: VARIABLE and PRESSURE COMPENSATED

ENERGY TRIANGLES HYDRAULIC PNEUMATIC

MEASUREMENT

PRESSURE TEMPERATURE FLOW

ROTATING SHAFTS

UNIDIRECTIONAL BIDIRECTIONAL

MANUAL CONTROL SYMBOLS

HYDRAULIC MOTORS

FIXED DISPLACEMENT

VARIABLE DISPLACEMENT NON-COMPENSATED UNIDIRECTIONAL

BIDIRECTIONAL

HYDRAULIC PUMPS

FLUID STORAGE RESERVOIRS

CROSSING AND JOINING LINES

BASIC COMPONENT SYMBOLS

FLUID CONDITIONER PUMP or MOTOR

FLUID POWER SYMBOLS

FIXED DISPLACEMENT

BIDIRECTIONAL

VALVES

PILOT CONTROL SYMBOLS

RELEASED PRESSURE

EXTERNAL RETURN INTERNAL RETURN

REMOTE SUPPLY PRESSURE

SIMPLIFIED COMPLETE INTERNAL

SUPPLY PRESSURE

ACCUMULATORS

SPRING LOADED GAS CHARGED

SOLENOID

or MANUAL SOLENOIDand PILOT

SOLENOID and PILOT or MANUAL

COMBINATION CONTROLS

HYDRAULIC AND PNEUMATIC CYLINDERS

DOUBLE ACTING SINGLE ACTING

BASIC SYMBOL SPRING LOADED

CHECK VALVES

TWO POSITION INFINITE

POSITIONING

FLOW IN ONE DIRECTION

FLOW ALLOWED IN EITHER DIRECTION

THREE POSITION

CROSS FLOW PARALLEL FLOW

INTERNAL PASSAGEWAYS

NORMAL POSITION

A B

P T

A B

P T SHIFTED POSITION INFINITE POSITION

CONTROL VALVES

Trang 5

Hydraulic Schematic

PILOT LINE DRAIN LINE

IN T

OUT

BDr

Pi2

(LOCK)

Pi Dr1

M2

A1

A2

NO3

PAC Pi1

P2

DR6 DR5

PSA1

DR4 DR3 DR2 DR1

T

(LOWER)

DR

RR

FR U

(OUT)

(IN) T

S1

G F

S3

Pn1

PsM2

Ps1 PsM1

(RAISE)

(REV)

(FWD)

(CLOSE) (L)

(FWD) (REV)

(TRAVEL)

T

P1 P2

B2 A2 B1

B8 B7 B6

C B5 B4 B3 B2 B1

A8 A7 A6 A5 A4

Pn2

A3 A2 A1

E

D

C B

G3

SDr

PD6

ST

G4 DB6

Pm

PB2

SP1

A

SP2

(IN)

PR PL (OUT)

AR4

R1 BR4

AR3 BR3 AR2

BR2

Dr2 Ps2

SPi

SP3

(RAISE)

AR1 BR1

BR5 Di4

Pi4 AL1

bL3

AR5

G2

G1

AL4

DB2

BL1

AL2

DB1

A1

R3 BL2

BPi

AL3

PB1

R2

BP3

BP2

bR4

aR5 Pi1

aR4

bR5

HR Di1

aR3

bR3

aR2

bR2

aR1

bR1

aL1

bL1 HL

aL2

bL2

aL4

Di2

Pp3 Pp3

NO1

TOUT2

(SW PARKING)

BL3

aL3

MU DR

A B

PG

158-8176

4

9 11

1

Item

Component 2

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Component

21 22 23

COMPONENTS

Swing Motor Left Travel Motor Right Travel Motor

Bucket Cylinder Swivel

Stick Drift Reduction Valve

Swing Control Valve

Right Travel Control Valve Attachment Control Valve Bucket Control Valve

Line Relief Valve (Stick Cylinder Head End) Straight Travel Control Valve

24 25 26 27 28 29 30 Stick Unloading Valve Main Relief Valve

Stick Cylinder

Boom Cylinder

Boom II Control Valve Stick I Control Valve

Left Travel Control Valve Straight Travel Control Solenoid

Stick Regeneration Valve Negative Flow Control Relief Valve Boom I Control Valve

Boom Drift Reduction Valve Main Control Valve

Stick II Control Valve

Line Relief Valve (Bucket Cylinder Rod End) Line Relief Valve (Bucket Cylinder Head End) Boom Regeneration Valve

Pressure Switch Pressure Switch Pilot Control Valve (Swing and Stick) Pilot Control Valve (Boom and Bucket) Pressure Switch

Accumulator Reducing Valve (Boom/Swing Priority Mode) Pressure Sensor (Left Pump)

Travel Speed Solenoid Valve

34 35

32 33 31

38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

37 36

53 54 55 56 57 58 59

Valve

Left Pump Pilot Pump Slow Return Check Valve Bypass Check Valve Return Filter Right Pump

Pilot Relief Valve Pilot Filter Pressure Sensor (Right Pump) 60

Oil Cooler

Pilot Control Valve (Travel)

Negative Flow Control Relief Valve

Travel Brake Valve (Left) Travel Brake Valve (Right)

Line Relief Valve (Boom Cylinder Rod End)

Swing Parking Brake Solenoid Valve Solenoid Valve (Hydraulic Activation) Pilot Oil Manifold

25

17

35

38

39

43

44

49

50 51

52

53

55

56

54

Variable Swing Priority Valve

Hydraulic Tank Case Drain Filter

7

4

8

9

55

56 10

1 53 58

59 57

49 50

54 3

6 2 5

f04859 MAIN CONNECTOR LINE

Trang 6

Hydraulic Symbols (Electrical)

Electrical Symbols Table

325-AG135 PK-14

Circuit Identification Number Wire Color Wire Gauge

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

325-PK-14

Wire Gauge Wire Color

Circuit Number Identification

Wire Number Identification Codes

Current Standard

Previous Standard

Electrical Schematic Example Hydraulic Schematic Example

325-PK

Wire Color Circuit Number

Identification

Wire

(EXAMPLE VALVE) Current Standard

Transducer (Fluid)

Transducer (Gas / Air)

G

Generator

Electrical Wire Pressure Switch

M Electric Motor

Pressure Switch (Adjustable)

Temperature Switch

Pressure Symbol

Temperature Symbol

Level Symbol

Flow Symbol

Electrical Symbols (Electrical)

(FIXED)

2-SECTION PUMP

MAIN AUX.

SPRING (ADJUSTABLE) VARIABILITY LINE RESTRICTION

(VARIABLE)

LINE RESTRICTION

VARIABLE and PRESSURE COMPENSATED

PRESSURE COMPENSATION

MEASUREMENT

ROTATING SHAFTS

FIXED DISPLACEMENT

VARIABLE DISPLACEMENT NON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

HYDRAULIC PUMPS

FIXED DISPLACEMENT

VARIABLE DISPLACEMENT NON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

VALVES

RELEASED PRESSURE

SUPPLY PRESSURE

ACCUMULATORS

SOLENOID

or MANUAL

SOLENOID and PILOT

BASIC SYMBOL

SPRING LOADED

CHECK VALVES

POSITIONING

THREE POSITION

NORMAL POSITION

A B

P T

A B

CONTROL VALVES

ATTACHMENT

MANUAL SHUTOFF

SHUTTLE PILOT

CONTROLLED

T

RENR7296-02 March 2007

320D & 320D L Excavator Hydraulic System

320D:

MCH1-UP FAL1-UP CXY1-UP JGZ1-UP

320D L:

MDE1-UP KGF1-UP DHK1-UP PHX1-UP

Printed in U.S.A.

MOTOR GP - SWING & SWIVEL VALVE GP - MAIN CONTROL

PUMP GP - PISTON (MAIN)

Machine Component Locations

Number

Machine Location

Schematic Location

NOTE A NOTE A

NOTE A: CHECK PARTS MANUAL FOR YOUR MACHINE PART NUMBERS.

G-10

FILTER GP - OIL (CASE DRAIN) 126-2075

5

A-8 FILTER GP - OIL (PILOT) 158-8987

6

A-5

7

A-9

8

9

G-8

10

G-5, G-6

11

PUMP GP - PISTON (MAIN) 272-6955

234-4440

12

B-3 E-6 SWIVEL

13

VALVE GP - TRAVEL COUNTERBALANCE 137-3718

14

F-5, F-6

VALVE GP - PILOT (TRAVEL) 270-5947

15

E-10

16

C-10

17

A-10

VALVE GP - PILOT MANIFOLD 215-5037 18 B-8

VALVE GP - LOAD CONTROL (STICK) 255-5680

19

D-7 VALVE GP - LOAD CONTROL (BOOM) 255-5683

20

D-3

VALVE GP - MAIN CONTROL 259-7464

21 259-7732 22 B-5 VALVE GP - SWING CUSHION 158-9085 23 F-8

D-3

24

VALVE GP - PILOT CONTROL (LEFT JOYSTICK) 270-5951 D-10

VALVE GP - PILOT CONTROL (RIGHT JOYSTICK) 270-5952 D-9

VALVE GP - PRESSURE REDUCING (IMPLEMENT,

COMPONENT LOCATIONS

9 24

15

13

10

14

7

8

23

11

18

21

19

17 16

11

3

4

5

2

7 1

6

Trang 7

DRAIN / RETURN LINE

LINES GROUP COLOR DESCRIPTIONS

IMPLEMENT & LEFT TRAVEL PUMP OUTPUT IMPLEMENT & RIGHT TRAVEL PUMP OUTPUT PILOT PUMP OUTPUT

ATTACHMENT CONTROL CIRCUIT SUPPLY LINE

BUCKET CONTROL & BUCKET CYLINDER CIRCUIT RIGHT TRAVEL CONTROL & RIGHT TRAVEL MOTOR CIRCUIT TRAVEL SPEED CONTROL CIRCUIT

STICK CONTROL & STICK CYLINDER CIRCUIT SHUTTLE VALVE CONTROL CIRCUIT

COMBINED LEFT & RIGHT PUMP SIGNAL PRESSURE

BOOM CONTROL & BOOM CYLINDER CIRCUIT

LEFT TRAVEL CONTROL & LEFT TRAVEL MOTOR CIRCUIT SWING CONTROL & SWING MOTOR CIRCUIT

LINE PATTERNS

Drain / Return Lines Component Group

Pilot / Load Sensing Pressure Pressure Line

Attachment Air Line

CALLOUTS

Taps (Pressure, Sampling, Sensor) by letter Components by number Connections by letter

YY

1 AA

THIS SCHEMATIC IS FOR THE 320D AND 320D L EXCAVATOR

PART #: 259-7469 HE01

Components are shown installed on a fully operable machine with the key and engine off and transmission shifter in neutral.

Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations

A B C D E

F

G

1 2

3 4

5 6

7 8

9 10

1 2

3 4

5 6

7 8

9 10

A B C D E F G

aR3

RCV-C RCV-B

RCV-A

bL4

aR3

aR4 aR1

aL1 aL2

AL2 BL2

BR1

AR4

BR4

BR1

AR1 AL1

AL2

AL3 BL3

VALVE GP PILOT (TRAVEL) 270-5947

FWD

OUT JL1

IN JL3

JR1

JR4

STICK CYLINDER

DR2

PAC PSA2

T-OUT1

T-OUT2

Pi2

A

C B

G

VALVE GP CHECK 201-9329

FILTER GP OIL

188-4140

FILTER GP OIL

(CASE DRAIN) 126-2075

VALVE GP SHUTTLE 185-0462

VALVE GP PILOT MANIFOLD 215-5037

JRT

VALVE GP PILOT CONTROL (LEFT JOYSTICK) 270-5951

VALVE GP PILOT CONTROL (RIGHT JOYSTICK) 270-5952

ACCUMULATOR GP 164-6981

NO.1 (TRAVEL) NO.2 (SWING)

NO.3 (LOCK)

Pp3

BG

Pp3

BG

T1 T2

A B

M2 G2

G1

M1 A3

A1

S1 S3 A2

Pm

Pi Pn1

Pn2 Ps2

Ps1 PsM1

Dr1 Dr2

DrM PsM2

STICK(2) BOOM(1)

TRAVEL(R) TRAVEL(L)

SWING STICK(1)

BOOM(2)

AL4

SEE LOC A-10

aL4

SPi SDr SP3

BP3 BDr BPi

R3 aR5 AR5

BOOM DRIFT REDUCTION

BR5

BT BP1 AR2

BR2 aR2 (UP)

(OUT)

(IN)

(R)

(L)

(FWD)

(REV)

(FWD)

(REV)

(OPEN)

(CLOSE)

(UP)

(DOWN)

(OUT)

PG DR

MU

A B

SWING MOTOR

aL3

MOTOR GP SWING 158-8986

VALVE GP SWING CUSHION 158-9085

MOTOR GP TRAVEL 209-5992

VALVE GP TRAVEL COUNTERBALANCE 137-3718

MOTOR GP TRAVEL 209-5992

VALVE GP TRAVEL COUNTERBALANCE 137-3718

SWIVEL GP 234-4440

VALVE GP LOAD CONTROL (BOOM)

255-5683

VALVE GP LOAD CONTROL (STICK) 255-5680

VALVE GP MAIN CONTROL 259-7464

PUMP GP PISTON (MAIN) 272-6955

RCV: RETURN CHECK VALVE

FILTER GP OIL (PILOT) 158-8987

bR5

IN OUT

T

B1

PG

U

FR RR

VALVE GP PRESSURE REDUCING (IMPLEMENT, SWING PRIORITY) 232-4102

VALVE GP SHUTTLE 259-7732

PC P1

JRP

T

BP2

PUMP

PILOT

I D

TRAVEL BRAKE TRAVEL BRAKE

PRESSURE SWITCH PRESSURE SWITCH

PRESSURE SWITCH

SLOW RETURN BYPASS

OIL COOLER

RETURN

DRAIN

TRAVEL SPEED SWING

PRIORITY

PRESSURE SENSOR

PROPORTIONAL REDUCING VALVE

MAIN RELIEF

PRESSURE SENSOR STICK DRIFT REDUCTION

RCV-C

RCV-A

RCV-B

SEE LOC A-10

SEE LOC E-2

SEE LOC G-9

SEE LOC E-8

HL

HR

PL PL

PR

PR HL

HR

Trang 8

Printed in U.S.A.

RENR3110-02 April 2002

365B Excavator Hydraulic System

365B L:

AGD1-235 9PZ1-474 9TZ1-530 4XZ1-339

55

21

22

61

35 37

39

40

57

63 62

60 59

58

24

46

45

43 41

55 52

50 48

49

32

30

28

27

25

26

Main Control Valve

17

f00914

Pilot Manifold

PSA3 PSA2 PSA1

PSA4

TOUT

PG

PAC

f00915

72

Trang 9

P

R

T1

L' L'

BR BR

M

MB

A' B'

LEFT PR

PG

L2

D

L1

Qmax Qmin

T1

A'

D

F E

P T

M2 M1 B'

B

P1

P2

Dr

REV FWD FWD A

T2 T2

(PS)

REV

BL2 AL2

B

L L1 S

PSA3 PSA2 PSA1

PG

Pi3 Pi2 Pi1

Pi6

M1

T2 T1 R

S

AS

aR3 aL3

bR3 bL3

aL1 aR1

bL4

aL4

bR1

PF PR

bL1

AL4

BR1

R2

AR1 BL1 AL1 AR3

BR3

AL3 BL3

RIGHT

S1

BL4

dR1

bL2

Qmax Qmin

B

M2 M2g

A

LS2 LS2g

PS2g

PS2

M2g' M1g'

PS1g PS1

aL2

R1

UP

LS1g LS1 M1 SA1 P1 M1g P2

M

MA

Qmin Qmax

B A

CLOSE

PD

P1

P2 Dr

X

DOWN OPEN

SA2

OUT IN

MAIN CONNNECTOR LINE

PILOT LINE

DRAIN LINE

Hydraulic Schematic

140-0690

5

6

7

9 8

13

41

20

10

77

2

3

1

5 4

85 84 83

8 6

81 86 87 88

82

Item

Component

STANDARD COMPONENTS

Component No

Item No

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Drain Filter

30 31 32 33 34 35 36 37 38 39 40 41 42

44 43

45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88

Bucket Cylinder Stick Cylinder Boom Cylinder Travel Motor (Right) Travel Brake Valve (Right) Travel Motor (Left) Swing Motor (Right) Travel Brake Valve (Left) Swing Control Valve Swing Parking Brake Solenoid Swing Motor (Left)

Cushion Crossover Relief Valve Swivel

Attachment Spool Proportional Valve Bucket Spool Proportional Valve (Close) Boom Spool Proportional Valve (Close) Main Control Valve

Stick Spool Proportional Valve (In) Left Travel Spool Proportional Valve (Frwd) Right TravelSpool Proportional Valve (Frwd) Signal Duplication Valve (Boom Side) Signal Bypass Valve

Signal Relief Valve (Travel) Signal Duplication Valve (Stick Side) Solenoid Valve (Neutral Bypass) Neutral Flow Control Valve Differential Pressure Relief Valve (Rear) Flow Compensator Valve (Attachment) Attachment Control Valve

Flow Compensator Valve (Bucket) Bucket Control Valve

Flow Compensator Valve (Boom) Boom Control Valve

Stick Control Valve Flow Compensator Valve (Stick) Left Travel Control Valve Flow Compensator Valve (Left Travel) Right Travel Control Valve

Flow Compensator Valve (Right Travel) Differential Pressure Relief Valve (Front) Signal Relief Valve (Boom Side)

Signal Relief Valve (Heavy Duty) High/Low Relief Solenoid (Boom Side) Signal Relief Valve (Travel) Swing Pump

Cooling Pump Pilot Pump Rear Pump Charged Pump Front Pump Drain Filter Oil Cooler Hydraulic Tank Return Filter Swing Pump Pressure Sensor Accumulator

Hydraulic Activation Valve Valve

Pilot Relief Valve Pilot Oil Manifold Proportional Reducing Valve Travel Speed Solenoid Valve Front Pump Pressure Sensor Cooling Fan Motor

Back Pressure Valve Return Filter Bypass Check Valve Pilot Filter Right Travel Spool Proportional Valve (REV) Left Travel Spool Proportional Valve (REV) Line Relief Valve (Stick Cylinder Rod End) Stick Spool Proportional Valve (Out) Stick Drift Reduction Valve

Line Relief Valve (Stick Cylinder Head End) Stick Drift Reduction Solenoid

Line Relief Valve (Boom Cylinder Head End) Boom Drift Reduction Valve

Boom Drift Reduction Solenoid

Line Relief Valve (Boom Cylinder Rod End) Boom Spool Proportional Valve (Down) Line Relief Valve (Bucket Cylinder Rod End) Bucket Cylinder Proportional Valve (Open) Line Relief Valve (Bucket Cylinder Rod End) Attachment Spool Proportional Valve Load Signal Control Valve

Signal Relief Valve (Stick Side) High/Low Relief Solenoid (Stick Side)

f05416

12 11

Trang 10

Printed in U.S.A.

RENR7306 January 2005

365C Excavator Hydraulic System

ELC1-UP MEM1-UP FEN1-UP MCS1-UP MCY1-UP

(FIXED)

2-SECTION PUMP

MAIN AUX.

SPRING (ADJUSTABLE) VARIABILITY LINE RESTRICTION

(VARIABLE)

LINE RESTRICTION (VARIABLE and PRESSURE COMPENSATED) PRESSURE

COMPENSATION

MEASUREMENT

ROTATING SHAFTS

FIXED DISPLACEMENT

BIDIRECTIONAL

HYDRAULIC PUMPS

FIXED DISPLACEMENT

BIDIRECTIONAL

VALVES

RELEASED PRESSURE

SUPPLY PRESSURE

ACCUMULATORS

SOLENOID

or MANUAL

SOLENOID and PILOT

BASIC SYMBOL SPRING LOADED

CHECK VALVES

POSITIONING

THREE POSITION

NORMAL POSITION

A B

P T

A B

CONTROL VALVES

Hydraulic Symbols (Electrical)

Electrical Symbols Table

325-AG135 PK-14

Circuit Identification Number Wire Color Wire Gauge

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

325-PK-14

Wire Gauge Wire Color

Circuit Number Identification

Wire Number Identification Codes

Current Standard

Previous Standard

Electrical Schematic Example Hydraulic Schematic Example

325-PK

Wire Color Circuit Number

Identification

Wire

(EXAMPLE VALVE)

Current Standard

Transducer (Fluid) Transducer (Gas / Air)

G

Generator

Electrical Wire Pressure Switch

M

Electric Motor

Pressure Switch (Adjustable)

Temperature Switch

T

Pressure Symbol

Temperature Symbol

Level Symbol

Flow Symbol

Electrical Symbols (Electrical)

Number

Machine Location

Schematic Location

Component Locations

Case Drain Filters (1).

Left Swing Motor (18).

Right Swing Motor (19).

Pilot Pump (6).

Main Pumps, Front and Rear (13).

Swing Pump (14).

Fan Pump (21).

Left Swing Motor (18).

Swing Park Brake Solenoid Valve (3).

Pilot Pump (6).

Left Travel Motor (5).

Counterbalance Valve (4).

1

14

18 19

5

13

5

2

Component Locations

Tiêu đề	Sơ đồ thủy lực máy đào caterpillar
Trường học	Caterpillar University
Chuyên ngành	Hydraulic Systems
Thể loại	Tài liệu
Năm xuất bản	1992
Thành phố	U.S.A.

Định dạng
Số trang	20
Dung lượng	12,45 MB