cargador frontal serie 950 g ii

Cargador Frontal Serie 950 g II
Cargador Frontal Serie 950 g II
Cargador Frontal Serie 950 g II
Cargador Frontal Serie 950 g II
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950G II and 962G II Hydraulic Component LocationsItem 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 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 Component Main Control Valve % Auxiliary Cylinders @ Tilt Cylinder Lift Cylinders Front Service Brakes Left Pedal Assembly Right Pedal Assembly Brake Control Valve (SERVICE) Front Service Brakes Accumulator Rear Service Brakes Accumulator Parking Brake Parking Brake Actuator Accumulator (Ride Control) # Shuttle Valve (Ride Control) # Line Relief Valve (Aux. Cylinder Head End) @ Line Relief Valve (Aux. Cylinder Rod End) @ Line Relief Valve (Tilt Cylinder Rod End) Line Relief Valve (Tilt Cylinder Head End) Piloted Operated Check Valve (Float) Check Valve (Ride Control) # Relief Valve (Ride Control Diverter Valve) # Solenoid Valve (Ride Control) # Rear Service Brakes Proirity Stage Valve (Accumulator Charge) Check Valve (Accumulator Charge) Shuttle Valve (Accumulator Charge) Accumulator Charge Valve (Braking) Brake Valve (Parking) Pressure Switch (Parking Brake) Spool (Ride Control Diverter Valve) Priority Valve (Brake Accumulator Charge) Main Relief Valve Strainers (Pilot Manifold) Relief Valve (Accumulator Charge) Pressure Switch (Service Brake Oil) Primary Reducing Valve (Pilot Manifold) Ball Valve (Implement Lockout) Connector (Orifice 1.7MM) Pilot Control Valve % Float Valve (Pilot Manifold) Shuttle Valve (Pilot Manifold) Cylinder (Quick Coupler) Diverter Valve (Quick Coupler) Secondary Reducing Valve (Pilot Manifold) Selector Spool (Steering Valve) Directional Spool (Steering Valve) Check Valve (Steering Valve) Cylinders (Steering) Gear Motor (Hydraulic Fan) Pressure Switch (Steering Diverter Valve) Steering Diverter Valve Steering Neutralizer Valve (Left) Steering Neutralizer Valve (Right) Check Valve (Hydraulic Oil Cooler Bypass) Hydraulic Oil Cooler Connector (Orifice 1.6MM) Solenoid Valve (Hydraulic Fan) Piston Pump (Steering) Piston Pump (Hydraulic Fan) Pressure Switch (Secondary Steering) * Oil Filter (Hydraulic) Pressure and Flow Compensator (Hyd Fan) Vane Pump (Implement) Vane Pump (Pilot/Braking) Breaker Relief Valve Strainer (Hydraulic Tank) Secondary Steering Pump and Electric Motor Metering Pump (Steering) Check Valve (Steering) Backup Relief Valve (Steering) Make-up Check Valves (Steering) Control Valve (Steering) Crossover Relief Valve (Steering) Hydraulic Tank Relief Valve (Secondary Steering Pump) * A7 A6 Schematic Location A1 A2 A3 A4 A5

RENR4322-03 May 2005

FLUID POWER SYMBOLSBASIC COMPONENT SYMBOLSMAIN AUX.

1 4

2

3PUMP or MOTOR FLUID CONDITIONER SPRING CONTROL VALVES RESTRICTION LINE RESTRICTION (FIXED) 2-SECTION PUMP PUMP: VARIABLE and PRESSURE COMPENSATED

5 7

6VARIABILITY SPRING (ADJUSTABLE) LINE RESTRICTION (VARIABLE) PRESSURE COMPENSATION HYDRAULIC PNEUMATIC ENERGY TRIANGLES LINE RESTRICTIONVARIABLE and PRESSURE COMPENSATED

ATTACHMENT

VALVESVALVE ENVELOPES VALVE PORTS

8

ONE POSITION

TWO POSITION

THREE POSITION

TWO-WAY

THREE-WAY

FOUR-WAY

CONTROL VALVESAB AB

CHECK VALVES

A5 A4 A1 A2

P T NORMAL POSITION

P T SHIFTED POSITION

INFINITE POSITION

BASIC SYMBOL

SPRING LOADED

SHUTTLE

PILOT CONTROLLED

9

10 11PRESSURE

MEASUREMENT

ROTATING SHAFTS

TEMPERATURE

FLOW

UNIDIRECTIONAL

BIDIRECTIONAL

A2 B4 B4 B4 B5 B5 B5 B5 B6 B6 B7 B7 B4 B6 C1 C1 C5 C6 C2 C3 C3, C4 C4 C2 C4 D6 D6 D1 D6 D6 D6 D6 D2 D3 D4 D4 D5 E2 E2 E4 E3 E1 E2 E4 F2 F3 F1 F1 F1 F1 F3 F4 F4 F5 F5 F6 F3 F3 F3T

12 13 15 16 17 14

950G Series II and 962G Series II Wheel Loader Hydraulic SystemVolume 1: Pilot Hydraulics and HMU Steering 950G II: 962G II: AYL1-UP AXY1-UP AYS1-UP BAB1-UP AXX1-UP BAC1-UP BAA1-UP BAD1-UP Volume 2: Electrohydraulic and Command Control Steering 950G II: 962G II: AYB1-UP AYE1-UP AYD1-UP AYG1-UP AXR1-UP AXS1-UP

FLUID STORAGE RESERVOIRS

VENTED

PRESSURIZED

RETURN ABOVE FLUID LEVEL

RETURN BELOW FLUID LEVEL

COMBINATION CONTROLS

SOLENOID

SOLENOID or MANUAL

SOLENOID and PILOT

SOLENOID and PILOT or MANUAL

SERVO

THERMAL

DETENT

MANUAL CONTROL SYMBOLS

PUSH-PULL LEVER

MANUAL SHUTOFF

GENERAL MANUAL

PUSH BUTTON

PEDAL

SPRING

PILOT CONTROL SYMBOLSRELEASED PRESSURE REMOTE SUPPLY PRESSURE

950G II and 962G II Hydraulic ComponentsItem No. 1 2 3 4 5 6 7 8 9 Component Relief Valve Check Valve Solenoid Valve Check Valve Solenoid Valve Valve Diverter Valve Diverter Valve Relief Valve Item No. 10 11 12 13 14 15 16 17 Component Relief Valve Valve Cooler Piston Motor Reversing Valve Filter Screen Piston Pump

Reversing Fan AttachmentNote: Installed on the following machines 950G II - AXX and 962G II - AXY

EXTERNAL RETURN

INTERNAL RETURN

SIMPLIFIED

COMPLETE

INTERNAL SUPPLY PRESSURE

ACCUMULATORS

CROSSING AND JOINING LINES

HYDRAULIC AND PNEUMATIC CYLINDERS

SPRING LOADED

GAS CHARGED

LINES CROSSING

LINES JOINING

SINGLE ACTING

DOUBLE ACTING

HYDRAULIC PUMPSFIXED DISPLACEMENT VARIABLE DISPLACEMENT NON-COMPENSATED

HYDRAULIC MOTORSFIXED DISPLACEMENT VARIABLE DISPLACEMENT NON-COMPENSATED

INTERNAL PASSAGEWAYSINFINITE POSITIONING THREE POSITION TWO POSITION

UNIDIRECTIONAL

UNIDIRECTIONALCROSS FLOW

BIDIRECTIONAL

BIDIRECTIONAL

FLOW IN ONE DIRECTION

PARALLEL FLOW

FLOW ALLOWED IN EITHER DIRECTION

Volume 1

Reversing Fan Attachment

228-8530

2005 Caterpillar All Rights Reserved

Printed in U.S.A.

Electrical Symbols Table

24, 25, 26, 27, 28, 29, 31, 34, 35, EE 67, 74 58, 63, 64

Hydraulic Symbols (Electrical)

1, 14, 15, 16, 17, 18, 19, 20, 21, 22, 30, 32 33, 36, 37, 38, 39, 40, 41, 44, FF, GGTransducer (Fluid) Transducer (Gas / Air)

GGenerator

M

Pressure Switch

Pressure Switch (Adjustable)

Temperature Switch

Electrical Wire

49, 54, 55Electrical Symbols (Electrical)

RENR4322-03 VOL 1

Electric Motor

Pressure Symbol

Temperature Symbol

Level Symbol

Flow Symbol

* Secondary Steering is an optional attachment. # Ride Control is an optional attachment. @ Auxiliary Cylinders are an optional attachment. % The one stem valve (third function) is an optional attachment field conversion. The three stem valve is an optional attachment. The two stem valve is standard.

Wire Number Identification Codes Electrical Schematic ExampleCurrent Standard

Hydraulic Schematic ExampleCurrent Standard

Pressure Tap LocationsPressure Tap AA BB CC DD EE FF GG HH JJ KK LL Description Tilt Cylinder Rod End Pressure Tilt Cylinder Head End Pressure Rear Service Brake Pressure Front Service Brake Pressure Service Brake Accumulator Pressure Implement Pilot Pump Pressure Implement Pump Pressure Fluid Sampling Valve Steering Pump Pressure Hydraulic Fan Pump Pressure Steering Signal Pressure Schematic Location A3 A5 C6 C4 D1 E3 E5 E2 F4

45, 46, 47, 70, 71, 72, 73

9, 10

13

11, 12

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

Wire Circuit Number Identification Wire Color

4325-AG135 PK-14Circuit Identification Number Wire Color Wire Gauge

325-PK

57, 59, 62

6, 7, 8

68, 69, LL

AA, BB

3Wire

Previous StandardWire Color

325-PK-14BCircuit Number Identification Wire Gauge(EXAMPLE VALVE)

A

Media ReferencesMedia Number Media Number

Parts Manual950G II AYB 950G II AYL 950G II AXR 950G II AXX 950G II BAA Troubleshooting SEBP3352 SEBP3280 SEBP3494 SEBP3495 SEBP3492 962G II AYE 962G II AXS 962G II AXY 962G II BAB 962G II BAD SEBP3281 SEBP3497 SEBP3496 SEBP3285 SEBP3339 SENR9617

Systems (Continued)Test and Adjusting (Steering) Specifications (Braking) System Operation (Braking) Testing and Adjusting (Braking) Specifications (Electrohydraulic/Pilot) Systems Operation (Electrohydraulic/Pilot) Testing and Adjusting (Hydraulic) Testing and Adjusting (Electrohydraulic) RENR4308 RENR4309 RENR4310 Specifications (Machine Systems) RENR4314 RENR4315 RENR4316 RENR4317 RENR4318 RENR4319 RENR4320 RENR4321 RENR6042

Engine Power TrainSpecifications Systems Operation Testing and Adjusting

Electrical SystemSchematic (Electrohydraulic System) Schematic (Pilot System) RENR4362 RENR4324 SEBU7459

23, CC

61, 65, 66, 74, HH

48

SystemsSpecifications (Steering) Systems Operation (Steering) RENR4312 RENR4313

50, 51, 52, 53, 56, 60, JJ

5, DD

Operation & Maintenance ManualEnglish

MACHINE COMPONENT LOCATIONS

42, 43

24 Page,

11 2

23

3AA

44

55 21 13 6

67 8 9 10

711 12

ABB

14 20 19 DD

CC

A

15

16

17

18

22

23

24

25

26

27

28

29

B

30

B

31 FF 32 33 36 37 38 38 38 39 34

EE 35

C

C

RENR4322-03 VOL 1

41 44

40

42

43

DGG 49

45

46 47

D48

24 Page, B/W

50

51

52

53

54 55

KK

JJ 56

E58HH

61 57 59

E

60

71 66 63 64 65 74 62 66 67M

72

73