New Holland WE190 WE210 WE210 Industrial WE230 WE230 Industrial 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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Models And Serials :
All Years & Serials Covered
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 ...................................................................................................................... 11
3. MULTI-FUNCTION DISPLAY ................................................................................................................... 18
SECTION 03 - TECHNICAL SPECIFICATIONS
1. MAIN COMPONENTS ................................................................................................................................ 1
1.1 2-PIECE BOOM ATTACHMENT (WE190) ......................................................................................... 1
1.2 2-PIECE BOOM ATTACHMENT (WE210 - WE230) .......................................................................... 2
1.3 MONOBOOM ATTACHMENT (WE190 - WE210 - WE230)............................................................... 3
1.4 HANDLING ATTACHMENT (WE210 Industrial - WE230 Industrial) .................................................. 4
2. DIMENSIONS - OPERATING WEIGHTS ................................................................................................... 5
2.1 WE190 MODELS................................................................................................................................ 5
2.2 WE210 MODELS................................................................................................................................ 9
2.3 WE230 MODELS.............................................................................................................................. 13
2.4 WE210 Industrial MODELS .............................................................................................................. 17
2.5 WE230 Industrial MODELS .............................................................................................................. 18
3. DIGGING PERFORMANCE ..................................................................................................................... 19
3.1 WE190 MODELS.............................................................................................................................. 19
3.2 WE210 MODELS.............................................................................................................................. 23
3.3 WE230 MODELS.............................................................................................................................. 27
3.4 WE210 Industrial MODELS .............................................................................................................. 31
3.5 WE230 Industrial MODELS .............................................................................................................. 32
4. LIFTING CAPACITIES.............................................................................................................................. 33
4.1 WE190 MODELS.............................................................................................................................. 33
4.2 WE210 MODELS.............................................................................................................................. 35
4.3 WE230 MODELS.............................................................................................................................. 37
4.4 WE210 Industrial MODELS .............................................................................................................. 39
4.5 WE230 Industrial MODELS .............................................................................................................. 40
5. HYDRAULIC SYSTEM ............................................................................................................................. 41
5.1 PUMPS ............................................................................................................................................. 41
6. SLEWING ................................................................................................................................................. 42
6.1 SLEWING GEARBOX ...................................................................................................................... 42
7. TRAVEL.................................................................................................................................................... 43
7.1 TYRES.............................................................................................................................................. 44
8. BRAKES ................................................................................................................................................... 44
9. STEERING................................................................................................................................................ 44
10. ELECTRICAL SYSTEM ............................................................................................................................ 45
11. BUCKETS ................................................................................................................................................. 45
11.1 BUCKETS - WE190 .......................................................................................................................... 45
11.2 BUCKETS - WE210 .......................................................................................................................... 45
11.3 BUCKETS - WE230 .......................................................................................................................... 45
12. TIGHTENING TORQUES ......................................................................................................................... 46
13. FUEL SYSTEM ......................................................................................................................................... 46
14. ENGINE .................................................................................................................................................... 46
15. SUPPLY SUMMARIZING CHART ............................................................................................................ 47
SECTION 04 - UPPER STRUCTURE
1. MAIN COMPONENTS ................................................................................................................................ 1
2. SLEWING BEARING .................................................................................................................................. 3
3. SLEWING GEARBOX............................................................................................................................... 10
3.1 TECHNICAL SPECIFICATIONS....................................................................................................... 10
3.2 REMOVAL AND INSTALLATION .....................................................................................................14
3.3 DISASSEMBLY AND ASSEMBLY.................................................................................................... 17
3.4 SPECIAL TOOLS.............................................................................................................................. 45
3.5 TROUBLESHOOTING...................................................................................................................... 49
4. MULTI-COOLER ....................................................................................................................................... 51
4.1 TECHNICAL SPECIFICATIONS....................................................................................................... 52
4.2 REMOVAL AND INSTALLATION EXPANSION TANK..................................................................... 54
4.3 COOLANT LEVEL, TOP-UP AND CHANGE.................................................................................... 55
4.4 REMOVAL AND INSTALLATION OF FAN AND HYDRAULIC MOTOR .......................................... 57
5. HYDRAULIC PUMPS ............................................................................................................................... 60
6. MUFFLER ................................................................................................................................................. 61
7. HYDRAULIC OIL TANK ............................................................................................................................ 62
7.1 OIL RETURN FILTER....................................................................................................................... 63
7.2 LEVEL CHECK AND TOP-UP .......................................................................................................... 64
7.3 OIL CHANGE AND CLEANING........................................................................................................ 65
7.4 BLEEDING VALVE ........................................................................................................................... 68
8. AIR FILTER............................................................................................................................................... 69
9. COUNTERWEIGHT .................................................................................................................................. 69
9.1 COUNTERWEIGHT DISASSEMBLY ............................................................................................... 70
10. FUEL SYSTEM ......................................................................................................................................... 72
10.1 FUEL TANK ...................................................................................................................................... 74
10.2 FUEL FILTERS ................................................................................................................................. 76
11. CAB AND OPERATOR’S SEAT ............................................................................................................... 78
11.1 CAB ASSEMBLY .............................................................................................................................. 91
11.2 CAB AT VARIABLE HEIGHT (WE210 Industrial - WE230 Industrial) .............................................. 97
12. CENTRALIZED LUBRICATION ................................................................................................................ 98
12.1 SAFETY INSTRUCTIONS ................................................................................................................ 98
12.2 OPERATION..................................................................................................................................... 98
12.3 MAINTENANCE................................................................................................................................ 99
SECTION 05 - UNDERCARRIAGE
1. UNDERCARRIAGE COMPONENTS.......................................................................................................... 1
2. REAR RIGID AXLE..................................................................................................................................... 2
2.1 TECHNICAL SPECIFICATIONS ........................................................................................................ 3
2.2 DISASSEMBLY .................................................................................................................................. 7
2.3 DISASSEMBLY AND ASSEMBLY .....................................................................................................9
2.4 TROUBLESHOOTING...................................................................................................................... 88
2.5 SPECIAL TOOLS ............................................................................................................................. 90
3. TRAVEL MOTOR ..................................................................................................................................... 91
3.1 TECHNICAL SPECIFICATIONS ...................................................................................................... 91
3.2 DISASSEMBLY AND ASSEMBLY ................................................................................................... 92
3.3 DISASSEMBLY AND ASSEMBLY ................................................................................................... 93
4. CARDAN SHAFT.................................................................................................................................... 104
4.1 DISASSEMBLY AND ASSEMBLY ................................................................................................. 105
5. FRONT STEERING AXLE...................................................................................................................... 108
5.1 TECHNICAL SPECIFICATIONS .................................................................................................... 109
5.2 DISASSEMBLY AND ASSEMBLY ................................................................................................. 112
5.3 DISASSEMBLY AND ASSEMBLY ................................................................................................. 115
5.4 TROUBLESHOOTING.................................................................................................................... 187
5.5 SPECIAL TOOLS ........................................................................................................................... 189
6. WHEELS AND TYRES ........................................................................................................................... 190
6.1 TYRES............................................................................................................................................ 191
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.................................................................................................................... 224
10. LEFT LADDER ....................................................................................................................................... 226
11. RIGHT LADDER AND TOOL STORAGE BOX....................................................................................... 227
12. ROTARY CONTROL VALVE AND ELECTRIC ROTOR ........................................................................ 228
12.1 TECHNICAL SPECIFICATIONS ....................................................................................................228
12.2 DISASSEMBLY AND ASSEMBLY ................................................................................................. 229
12.3 ROTARY CONTROL VALVE OVERALL ........................................................................................ 231
12.4 ELECTRIC ROTOR ........................................................................................................................ 233
SECTION 06 - FRONT ATTACHMENT
1. TYPES OF FRONT ATTACHMENT ........................................................................................................... 2
2. HYDRAULIC CYLINDERS.......................................................................................................................... 4
2.1 BOOM CYLINDER.............................................................................................................................. 7
2.2 DIPPER CYLINDER (WE190 - WE210 - WE230) ............................................................................ 17
2.3 DIPPER CYLINDER (WE210 Industrial - WE230 Industrial)............................................................ 27
2.4 BUCKET CYLINDER ........................................................................................................................ 37
2.5 BOOM ADJUSTING CYLINDER ......................................................................................................47
2.6 SPECIAL TOOLS.............................................................................................................................. 56
3. BUCKETS ................................................................................................................................................. 57
3.1 BUCKETS - WE190.......................................................................................................................... 57
3.2 BUCKETS - WE210.......................................................................................................................... 57
3.3 BUCKETS - WE230.......................................................................................................................... 57
3.4 BUCKET TEETH - CHANGE ............................................................................................................ 59
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 .............................................................. 27
2.3 HYDRAULIC SYSTEM DIAGRAMS BLADE AND/OR STABILIZERS ............................................. 28
3. HYDRAULIC PUMPS ............................................................................................................................... 31
3.1 VARIABLE-FLOW RATE TWIN PUMP............................................................................................. 32
3.2 ROTATION PUMP ............................................................................................................................ 45
3.3 GEAR PUMP .................................................................................................................................... 63
4. UPPER STRUCTURE CONTROL VALVE ............................................................................................... 64
5. UNDERCARRIAGE CONTROL VALVE ...................................................................................................76
6. PILOT CONTROL ASSY .......................................................................................................................... 78
6.1 PILOT CONTROL ASSY SOLENOID VALVES................................................................................ 83
7. ROTATION SYSTEM................................................................................................................................ 87
7.1 SLEWING GEARBOX....................................................................................................................... 89
8. TRAVEL .................................................................................................................................................... 91
8.1 TRAVEL MOTOR.............................................................................................................................. 94
9. STABILIZATION HYDRAULIC SYSTEM................................................................................................ 100
10. BOOM HYDRAULIC SYSTEM................................................................................................................ 105
11. HYDRAULIC SYSTEM OF BUCKET...................................................................................................... 111
12. HYDRAULIC SYSTEM OF DIPPER....................................................................................................... 116
13. HYDRAULIC SYSTEM OF 2-PIECE BOOM .......................................................................................... 120
14. HYDRAULIC SYSTEM WITH COMBINATION OF DIFFERENT FUNCTIONS (BOOM, 2-PIECE BOOM,
DIPPER AND BUCKET) ......................................................................................................................... 126
15. HYDRAULIC SYSTEM OF HAMMER (WITH 2-PIECE BOOM)............................................................. 128
16. HYDRAULIC SYSTEM OF HAMMER AND SHEARS (WITH 2-PIECE BOOM) .................................... 131
17. HYDRAULIC SYSTEM OF SHEARS (WITH 2-PIECE BOOM) .............................................................. 136
18. HYDRAULIC SYSTEM OF HAMMER (WITH MONOBOOM)................................................................. 139
19. HYDRAULIC SYSTEM OF HAMMER AND SHEARS (WITH MONOBOOM) ........................................ 142
20. HYDRAULIC SYSTEM OF SHEARS (WITH MONOBOOM).................................................................. 147
21. TROUBLESHOOTING............................................................................................................................ 150
SECTION 10 - ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS ......................................................................................................................... 1
1.1 ELECTRICAL DIAGRAMS (WE190 - WE210 - WE230) .................................................................... 1
1.2 ELECTRICAL DIAGRAMS (WE210 Industrial - WE230 Industrial) .................................................. 39
2. FUSES...................................................................................................................................................... 77
2.1 FUSES - REPLACEMENT................................................................................................................ 79
2.2 BATTERIES - REPLACEMENT........................................................................................................ 80
2.3 CLAMPS CHECK ............................................................................................................................. 81
2.4 CHARGE .......................................................................................................................................... 81
3. BULBS ...................................................................................................................................................... 82
3.1 CAB LIGHT....................................................................................................................................... 82
3.2 FRONT WORK LIGHTS ................................................................................................................... 82
3.3 BOOM WORK LIGHT ....................................................................................................................... 83
3.4 TRAVEL LIGHT ................................................................................................................................ 83
3.5 TURN SIGNAL LIGHTS.................................................................................................................... 84
3.6 REAR FLOODLAMPS ...................................................................................................................... 84
4. TROUBLESHOOTING.............................................................................................................................. 85
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 CAN 2.............................................................................................................. 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)
(WE190 - WE210 - WE230, no Industrial models) ........................................................................... 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
