New Holland WE150 Compact WE170 Compact WE170C Railroad Wheeled Excavators Official Workshop Service Repair Technical Manual

New Holland WE150 Compact WE170 Compact WE170C Railroad Wheeled Excavators Official Workshop Service Repair Technical Manual

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This is the COMPLETE Official Service Repair Manual for the New Holland Wheel  Excavator.
This manual contains deep information about maintaining, assembly, disassembly and servicing your New Holland .

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CONTENTS : 

SECTION 01 – SAFETY PRECAUTIONS
1. INTRODUCTION ………………………………………………………………………………………………………………………. 2
1.1 DESIGNATED USE ……………………………………………………………………………………………………………. 2
2. GENERAL SAFETY INSTRUCTIONS………………………………………………………………………………………….. 3
3. USE INSTRUCTION………………………………………………………………………………………………………………… 12
3.1 LEVEL OF VIBRATIONS TRANSMITTED TO THE OPERATOR……………………………………………. 13
3.2 NOISE LEVELS ……………………………………………………………………………………………………………….. 14
3.3 TRAVELLING ON PUBLIC ROADS ……………………………………………………………………………………. 15
SECTION 02 – CONTROLS AND INSTRUMENTS
1. SWITCHES AND PUSH-BUTTONS …………………………………………………………………………………………….. 1
2. CONTROLS AND PEDALS ………………………………………………………………………………………………………… 6
3. MULTI-FUNCTION DISPLAY ……………………………………………………………………………………………………. 10
SECTION 03 – TECHNICAL SPECIFICATIONS
1. MAIN COMPONENTS ……………………………………………………………………………………………………………….. 1
2. DIMENSIONS – OPERATING WEIGHTS ……………………………………………………………………………………… 4
3. DIGGING PERFORMANCE ……………………………………………………………………………………………………… 17
4. LIFTING CAPACITIES……………………………………………………………………………………………………………… 29
5. HYDRAULIC SYSTEM …………………………………………………………………………………………………………….. 34
5.1 PUMPS …………………………………………………………………………………………………………………………… 34
6. SLEWING ………………………………………………………………………………………………………………………………. 35
6.1 SLEWING GEARBOX ………………………………………………………………………………………………………. 35
7. TRAVEL…………………………………………………………………………………………………………………………………. 36
8. TYRES…………………………………………………………………………………………………………………………………… 37
9. BRAKES ………………………………………………………………………………………………………………………………… 37
10. STEERING …………………………………………………………………………………………………………………………….. 37
11. ELECTRICAL SYSTEM……………………………………………………………………………………………………………. 37
12. BUCKETS………………………………………………………………………………………………………………………………. 38
13. TIGHTENING TORQUES…………………………………………………………………………………………………………. 39
14. FUEL SYSTEM……………………………………………………………………………………………………………………….. 39
15. ENGINE …………………………………………………………………………………………………………………………………. 39
16. SUPPLY SUMMARIZING CHART……………………………………………………………………………………………… 40
SECTION 04 – UPPER STRUCTURE
1. MAIN COMPONENTS ……………………………………………………………………………………………………………….. 1
2. SLEWING BEARING …………………………………………………………………………………………………………………. 2
3. SLEWING GEARBOX ……………………………………………………………………………………………………………….. 6
3.1 TECHNICAL SPECIFICATIONS ………………………………………………………………………………………….. 6
3.2 REMOVAL AND INSTALLATION …………………………………………………………………………………………. 9
3.3 DISASSEMBLY AND ASSEMBLY ……………………………………………………………………………………… 12
3.4 SPECIAL TOOLS …………………………………………………………………………………………………………….. 36
3.5 TROUBLESHOOTING………………………………………………………………………………………………………. 38
4. MULTI-COOLER ……………………………………………………………………………………………………………………… 40
4.1 TECHNICAL SPECIFICATIONS…………………………………………………………………………………………. 41
4.2 REMOVAL AND INSTALLATION EXPANSION TANK…………………………………………………………… 42
4.3 COOLANT LEVEL, TOP-UP AND CHANGE………………………………………………………………………… 43
4.4 REMOVAL AND INSTALLATION OF FAN AND HYDRAULIC MOTOR …………………………………… 45
5. HYDRAULIC PUMPS ………………………………………………………………………………………………………………. 47
6. MUFFLER ………………………………………………………………………………………………………………………………. 48
7. HYDRAULIC OIL TANK ……………………………………………………………………………………………………………. 49
7.1 OIL RETURN FILTER……………………………………………………………………………………………………….. 50
7.2 LEVEL CHECK AND TOP-UP ……………………………………………………………………………………………. 51
7.3 OIL CHANGE AND CLEANING………………………………………………………………………………………….. 52
7.4 BLEEDING VALVE …………………………………………………………………………………………………………… 54
8. AIR FILTER…………………………………………………………………………………………………………………………….. 55
9. COUNTERWEIGHT …………………………………………………………………………………………………………………. 55
10. FUEL SYSTEM ……………………………………………………………………………………………………………………….. 56
10.1 FUEL TANK …………………………………………………………………………………………………………………….. 59
10.2 FUEL FILTERS ………………………………………………………………………………………………………………… 61
11. CAB AND OPERATOR’S SEAT ………………………………………………………………………………………………… 63
12. CENTRALIZED LUBRICATION …………………………………………………………………………………………………. 75
12.1 SAFETY INSTRUCTIONS …………………………………………………………………………………………………. 75
12.2 OPERATION……………………………………………………………………………………………………………………. 75
12.3 MAINTENANCE……………………………………………………………………………………………………………….. 76
SECTION 05 – UNDERCARRIAGE
1. UNDERCARRIAGE COMPONENTS……………………………………………………………………………………………. 1
2. REAR RIGID AXLE ……………………………………………………………………………………………………………………. 2
2.1 TECHNICAL SPECIFICATIONS…………………………………………………………………………………………… 3
2.2 DISASSEMBLY………………………………………………………………………………………………………………….. 6
2.3 DISASSEMBLY AND ASSEMBLY………………………………………………………………………………………… 8
2.4 TROUBLESHOOTING………………………………………………………………………………………………………. 87
2.5 SPECIAL TOOLS……………………………………………………………………………………………………………… 89
3. TRAVEL MOTOR…………………………………………………………………………………………………………………….. 90
3.1 TECHNICAL SPECIFICATIONS…………………………………………………………………………………………. 90
3.2 DISASSEMBLY AND ASSEMBLY………………………………………………………………………………………. 91
3.3 DISASSEMBLY AND ASSEMBLY………………………………………………………………………………………. 92
4. CARDAN SHAFT …………………………………………………………………………………………………………………… 103
4.1 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 104
5. FRONT STEERING AXLE ………………………………………………………………………………………………………. 107
5.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………….. 108
5.2 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 111
5.3 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 114
5.4 TROUBLESHOOTING…………………………………………………………………………………………………….. 187
5.5 SPECIAL TOOLS……………………………………………………………………………………………………………. 189
6. WHEELS AND TYRES …………………………………………………………………………………………………………… 190
7. BLADE …………………………………………………………………………………………………………………………………. 194
7.1 BLADE CYLINDER …………………………………………………………………………………………………………. 196
8. AXLE FLOATING LOCKING CYLINDERS ………………………………………………………………………………… 204
8.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………….. 205
8.2 DISASSEMBLY AND ASSEMBLY ……………………………………………………………………………………. 206
8.3 AIR BLEEDING………………………………………………………………………………………………………………. 207
8.4 DISASSEMBLY AND ASSEMBLY ……………………………………………………………………………………. 208
8.5 TROUBLESHOOTING…………………………………………………………………………………………………….. 210
9. STABILIZERS……………………………………………………………………………………………………………………….. 211
9.1 STABILIZER CYLINDERS……………………………………………………………………………………………….. 214
9.2 TROUBLESHOOTING…………………………………………………………………………………………………….. 223
10. LEFT LADDER ……………………………………………………………………………………………………………………… 225
11. RIGHT LADDER AND TOOL STORAGE BOX…………………………………………………………………………… 226
12. ROTARY CONTROL VALVE AND ELECTRIC ROTOR ……………………………………………………………… 227
12.1 TECHNICAL SPECIFICATIONS ……………………………………………………………………………………….227
12.2 DISASSEMBLY AND ASSEMBLY ……………………………………………………………………………………. 228
12.3 DISASSEMBLY AND ASSEMBLY ……………………………………………………………………………………. 229
12.4 ELECTRIC ROTOR ………………………………………………………………………………………………………… 231
SECTION 06 – FRONT ATTACHMENT
1. TYPES OF FRONT ATTACHMENT …………………………………………………………………………………………….. 2
1.1 FRONT ATTACHMENT – WE150 Compact – WE170 Compact ………………………………………………… 2
1.2 FRONT ATTACHMENT – WE170C Railroad………………………………………………………………………….. 3
2. HYDRAULIC CYLINDERS………………………………………………………………………………………………………….. 4
2.1 HYDRAULIC CYLINDERS – WE150 Compact – WE170 Compact…………………………………………….. 4
2.2 HYDRAULIC CYLINDERS – WE170C Railroad ……………………………………………………………………… 5
2.3 BOOM CYLINDER……………………………………………………………………………………………………………… 6
2.4 DIPPER CYLINDER …………………………………………………………………………………………………………. 16
2.5 BUCKET CYLINDER ………………………………………………………………………………………………………… 26
2.6 BOOM ADJUSTING CYLINDER …………………………………………………………………………………………42
2.7 SPECIAL TOOLS …………………………………………………………………………………………………………….. 51
3. BUCKETS………………………………………………………………………………………………………………………………. 52
3.1 BUCKET TEETH – REPLACEMENT …………………………………………………………………………………… 54
SECTION 07 – STEERING SYSTEM
1. OPERATION…………………………………………………………………………………………………………………………….. 1
2. POWER STEERING………………………………………………………………………………………………………………….. 3
2.1 TECHNICAL SPECIFICATIONS ………………………………………………………………………………………….. 3
2.2 OPERATION……………………………………………………………………………………………………………………… 4
2.3 DISASSEMBLY AND ASSEMBLY ………………………………………………………………………………………..5
3. PRIORITY VALVE …………………………………………………………………………………………………………………… 23
4. TROUBLESHOOTING……………………………………………………………………………………………………………… 24
SECTION 08 – BRAKE SYSTEM
1. OPERATION…………………………………………………………………………………………………………………………….. 1
2. SERVICE BRAKE……………………………………………………………………………………………………………………… 4
3. PARKING BRAKE …………………………………………………………………………………………………………………….. 7
4. PEDAL BRAKE VALVE ……………………………………………………………………………………………………………… 8
5. ACCUMULATORS…………………………………………………………………………………………………………………….. 9
5.1 MAINTENANCE……………………………………………………………………………………………………………….. 10
6. TROUBLESHOOTING……………………………………………………………………………………………………………… 11
SECTION 09 – HYDRAULIC SYSTEM
1. HYDRAULIC SYSTEM ………………………………………………………………………………………………………………. 1
2. HYDRAULIC SYSTEM DIAGRAMS …………………………………………………………………………………………….. 5
2.1 HYDRAULIC SYSTEM DIAGRAMS – UPPER STRUCTURE …………………………………………………… 5
2.2 HYDRAULIC SYSTEM DIAGRAMS – UNDERCARRIAGE …………………………………………………….. 19
2.3 HYDRAULIC SYSTEM DIAGRAMS BLADE AND/OR STABILIZERS ……………………………………… 20
3. HYDRAULIC PUMPS ………………………………………………………………………………………………………………. 23
3.1 VARIABLE-FLOW RATE TWIN PUMP………………………………………………………………………………… 24
3.2 ROTATION PUMP ……………………………………………………………………………………………………………. 37
3.3 GEAR PUMP …………………………………………………………………………………………………………………… 52
4. UPPER STRUCTURE CONTROL VALVE ………………………………………………………………………………….. 53
5. UNDERCARRIAGE CONTROL VALVE ………………………………………………………………………………………63
6. PILOT CONTROL ASSY ………………………………………………………………………………………………………….. 65
6.1 PILOT CONTROL ASSY SOLENOID VALVES…………………………………………………………………….. 69
7. ROTATION SYSTEM……………………………………………………………………………………………………………….. 73
7.1 ROTATION GEARBOX……………………………………………………………………………………………………… 75
8. TRAVEL …………………………………………………………………………………………………………………………………. 77
8.1 TRAVEL MOTOR……………………………………………………………………………………………………………… 80
9. STABILIZATION HYDRAULIC SYSTEM …………………………………………………………………………………….. 86
10. BOOM HYDRAULIC SYSTEM…………………………………………………………………………………………………… 91
11. HYDRAULIC SYSTEM OF BUCKET ………………………………………………………………………………………….. 97
12. HYDRAULIC SYSTEM OF DIPPER …………………………………………………………………………………………. 102
13. HYDRAULIC SYSTEM OF 2-PIECE BOOM………………………………………………………………………………. 106
14. HYDRAULIC SYSTEM WITH COMBINATION OF DIFFERENT FUNCTIONS
(BOOM, 2-PIECE BOOM, DIPPER AND BUCKET) ……………………………………………………………………. 112
15. HYDRAULIC SYSTEM OF HAMMER (WITH 2-PIECE BOOM) ……………………………………………………. 114
16. HYDRAULIC SYSTEM OF HAMMER AND SHEARS (WITH 2-PIECE BOOM)………………………………. 117
17. HYDRAULIC SYSTEM OF SHEARS (WITH 2-PIECE BOOM) …………………………………………………….. 122
18. HYDRAULIC SYSTEM OF HAMMER (WITH MONOBOOM)……………………………………………………….. 125
19. HYDRAULIC SYSTEM OF HAMMER AND SHEARS (WITH MONOBOOM) …………………………………. 128
20. HYDRAULIC SYSTEM OF SHEARS (WITH MONOBOOM) ………………………………………………………… 133
21. TROUBLESHOOTING ……………………………………………………………………………………………………………. 136
SECTION 10 – ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS………………………………………………………………………………………………………….. 1
2. FUSES …………………………………………………………………………………………………………………………………… 39
2.1 FUSES – REPLACEMENT…………………………………………………………………………………………………. 41
3. BATTERIES ……………………………………………………………………………………………………………………………. 42
3.1 CLAMPS CHECK……………………………………………………………………………………………………………… 42
3.2 CHARGE…………………………………………………………………………………………………………………………. 43
3.3 REPLACEMENT ………………………………………………………………………………………………………………. 44
4. BULBS …………………………………………………………………………………………………………………………………… 45
4.1 CAB LIGHT ……………………………………………………………………………………………………………………… 45
4.2 FRONT WORK LIGHTS ……………………………………………………………………………………………………. 45
4.3 BOOM WORK LIGHT ……………………………………………………………………………………………………….. 46
4.4 TRAVEL LIGHT ……………………………………………………………………………………………………………….. 46
4.5 TURN SIGNAL LIGHTS…………………………………………………………………………………………………….. 47
4.6 REAR FLOODLAMPS ………………………………………………………………………………………………………. 47
5. TROUBLESHOOTING……………………………………………………………………………………………………………… 48
SECTION 11 – ELECTRONICS
1. MAIN COMPONENTS ……………………………………………………………………………………………………………….. 1
2. COMPONENTS OF LINE 1 ………………………………………………………………………………………………………… 3
2.1 MULTI-FUNCTION DISPLAY ………………………………………………………………………………………………. 3
2.2 CENTRAL UNIT…………………………………………………………………………………………………………………. 3
2.3 KEY-PAD MODULES …………………………………………………………………………………………………………. 6
2.4 POWER CONTROL SYSTEM……………………………………………………………………………………………… 7
2.5 DIAGNOSTICS SOCKET ……………………………………………………………………………………………………. 9
2.6 ELECTRO-HYDRAULIC CONTROLLER ………………………………………………………………………………. 9
3. COMPONENTS OF LINE CAN2………………………………………………………………………………………………… 13
3.1 OPERATION……………………………………………………………………………………………………………………. 13
3.2 CENTRAL UNIT……………………………………………………………………………………………………………….. 14
3.3 HYDRAULIC CONTROL LEVERS ……………………………………………………………………………………… 14
3.4 TRAVEL PEDAL………………………………………………………………………………………………………………. 19
3.5 ATTACHMENT PEDAL (FOR HAMMER AND ADJUSTING CYLINDER) ………………………………… 20
3.6 POWER CONTROL SYSTEM……………………………………………………………………………………………. 21
4. ENGINE SPEED ACTUATOR …………………………………………………………………………………………………… 28
4.1 ENGINE SPEED SENSING……………………………………………………………………………………………….. 28
5. COOLANT TEMPERATURE DETECTION………………………………………………………………………………….. 29
6. CHARGE AIR TEMPERATURE DETECTION……………………………………………………………………………… 30
7. HYDRAULIC OIL TEMPERATURE DETECTION ………………………………………………………………………… 31
8. PROPORTIONAL VALVE – FAN MOTOR……………………………………………………………………………………32
9. PROPORTIONAL VALVES – CONTROL BLOCK ………………………………………………………………………… 33
10. PILOT CONTROL BLOCK………………………………………………………………………………………………………… 34
SECTION 12 – CALIBRATION
1. NECESSARY OPERATIONS BEFORE CALIBRATION …………………………………………………………………. 1
1.1 CALIBRATION OF THE MAIN PUMP …………………………………………………………………………………… 1
1.2 CALIBRATION OF THE ROTATION PUMP…………………………………………………………………………… 2
2. DISPLAY: CALIBRATION MENU ………………………………………………………………………………………………… 3
3. CALIBRATIONS WITH THE ENGINE RUNNING…………………………………………………………………………… 4
3.1 VDO CALIBRATION…………………………………………………………………………………………………………… 6
3.2 POWER CALIBRATION ……………………………………………………………………………………………………… 7
3.3 MAIN VALVE CALIBRATION (CONTROL VALVE)…………………………………………………………………. 8
3.4 TRAVEL CALIBRATION……………………………………………………………………………………………………. 11
3.5 PUMP DELIVERY CALIBRATION……………………………………………………………………………………….13
3.6 SLEWING PUMP CALIBRATION………………………………………………………………………………………..16
3.7 AUXILIARY PRESSURE CALIBRATION …………………………………………………………………………….. 18
4. CALIBRATIONS WITH THE ENGINE STOPPED ………………………………………………………………………… 20
4.1 CALIBRATIONS, ALL SOLENOID VALVES, MAIN PUMP, ROTATION PUMP,
AUXILIARY PRESSURE …………………………………………………………………………………………………… 22
4.2 MAIN VALVE CALIBRATION (CONTROL VALVE)……………………………………………………………….. 24
SECTION 13 – FAULT CODES
1. ERROR INDICATION ON THE DISPLAY……………………………………………………………………………………… 1
2. CENTRAL UNIT AND ENGINE……………………………………………………………………………………………………. 3
2.1 FAULT CODES………………………………………………………………………………………………………………….. 3
3. PCS UNIT (POWER CONTROL SYSTEM) …………………………………………………………………………………… 5
3.1 FAULT CODES………………………………………………………………………………………………………………….. 5
4. HYDRAULICS …………………………………………………………………………………………………………………………… 6
4.1 SAFETY-RELATED SYSTEM DIAGNOSTIC FAULTS ……………………………………………………………. 6
4.2 COMMON FAULTS ……………………………………………………………………………………………………………. 7
4.3 CAN INTERFACE …………………………………………………………………………………………………………….. 10
4.4 DISPLAY INDICATORS…………………………………………………………………………………………………….. 11
4.5 KEY PADS ………………………………………………………………………………………………………………………. 11
4.6 COMMON DIGITAL INPUTS ……………………………………………………………………………………………… 12
4.7 HYDRAULIC CONTROL LEVER / PEDALS…………………………………………………………………………. 13
4.8 PILOT PRESSURE SUPPLY……………………………………………………………………………………………… 18
4.9 MAIN PUMPS ………………………………………………………………………………………………………………….. 20
4.10 ATTACHMENT SENSORS………………………………………………………………………………………………… 21
4.11 SLEWING SYSTEM………………………………………………………………………………………………………….. 22
4.12 PILOT VALVES ON MAIN VALVE………………………………………………………………………………………. 24
4.13 ADDITIONAL VALVES AND SENSORS ……………………………………………………………………………… 28
4.14 AUTOMATIC CALIBRATION FAULTS ………………………………………………………………………………… 29

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