New Holland Excavator MH2.6, MH3.6 Service Manual / Repair Manual - Wiring View larger

New Holland Excavator MH2.6, MH3.6 Service Manual / Repair Manual - Wiring

English Service Manual / Repair Manual, to New Holland MH2.6 & MH3.6.

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LANGUAGE: English.
FORMAT: PDF file
PAGES: 1813
COMPATIBILITY: All Versions of Windows, Mac, iOS, BB, Android, etc..
PRINTABLE: Yes

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NEW HOLLAND EXCAVATOR MH2.6 & MH3.6 - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING

- English Service Manual, to New Holland MH2.6 & MH3.6.

 

CONTENTS:


SECTION 01 MAIN OPERATING RULES

- INTRODUCTION . 1
- FOREWORD . 1
- MANUAL HANDLING 1

SECTION 02 SAFETY PRECAUTIONS

- SAFETY PRECAUTIONS 1
- SAFETY DECALS . 41

SECTION 03 FEATURES AND DATA

- FOREWORD . 1
- IDENTIFICATION DATA 2
- NOISE LEVELS (2000/14/EC) 3
- SUMMARY PLATE FOR MAINTENANCE OPERATIONS. 5
- WHEELED EXCAVATOR MAIN COMPONENTS 6
- TECHNICAL SPECIFICATIONS  7
- OPERATING WEIGHTS. 17
- DIGGING PERFORMANCE. 18
- TRANSPORT DIMENSIONS 20
- BUCKET USEFULNESS DEPENDING ON ARM  24
- FILLING CHART 26

SECTION 04 UPPER STRUCTURE

- UPPER STRUCTURE . 1
- MAIN FRAME AND COUNTERWEIGHT 5
- POWER UNIT 9
- ENGINE. 10
- RADIATOR 12
- HYDRAULIC PUMPS . 14
- MAIN PUMP  15
- DOUBLE PUMP WITH GEARS 49
- AIR CLEANER. 61
- EXHAUST SILENCER. 62
- HYDRAULIC OIL TANK. 64
- FUEL TANK. 66
- FUEL TRANSFER PUMP. 67
- GUARDS AND COVERS. 70
- CAB . 76
- SWINGING ASSY 88
- MAIN CONTROL VALVE 100
- SLEW DEVICE  124
- SLEW HYDRAULIC MOTOR . 126
- SLEW REDUCTION UNIT 140
- CONTROL LEVER  159
- CONTROL PEDAL  164
- STEERING UNIT . 166
- SWIVEL JOINT  191
- FEATURES AND DATA 193
- BRAKE PEDAL VALVE  194
- ACCUMULATORS. 208
- PRESSURE SWITCHES  211
- SOLENOID VALVES  215

SECTION 05 UNDERCARRIAGE

- SLEWING BEARING . 2
- LOWER FRAME  5
- TRAVEL ASSY  6
- TRAVEL HYDRAULIC MOTOR 7
- SPEEDS GEAR BOX 23
- STEERING AXLES: FRONT AND REAR. 52
- RIGID REAR AXLE. 150
- DRIVE SHAFT . 213
- WHEELS AND TYRES . 214
- TYRES. 222
- BLADE . 227
- LATERAL STABILIZERS. 228

SECTION 06 FRONT ATTACHMENT

- INTRODUCTION . 1
- CYLINDER REMOVAL AND INSTALLATION 6
- BUCKET CYLINDER. 6
- ARM CYLINDER 10
- POSITIONING CYLINDER . 14
- BOOM CYLINDER. 19
- MH2.6 - CYLINDERS. 24
- BUCKET CYLINDER. 24
- ARM CYLINDER 31
- POSITIONING CYLINDER . 38
- BOOM CYLINDER. 45
- MH3.6 - CYLINDERS. 52
- BUCKET CYLINDER. 52
- ARM CYLINDER 59
- POSITIONING CYLINDER . 66
- BOOM CYLINDER. 73
- ANTIDROP VALVE 81
- PINS AND BUSHINGS . 83
- BUCKETS 88

SECTION 07 HYDRAULIC SYSTEM

- HOSES AND FITTINGS . 1
- HYDRAULIC SYSTEM . 8
- MAIN PIPELINES . 8
- SUCTION AND DELIVERY PIPELINES. 9
- RETURN PIPELINES 11
- DRAINING PIPELINES. 13
- FRONT ATTACHMENT PIPELINES 17
- NIBBLER/BREAKER CONTROL PIPELINES 18
- SLEW CONTROL PIPELINES - TRAVEL AND BLADE/STABILIZERS. 23
- STEERING PIPELINES (MACHINE 4WD). 25
- STEERING PIPELINES (MACHINE 2WD). 28
- BRAKE PIPELINES. 31
- POWER STEERING PIPELINES. 35
- LATERAL STABILIZERS AND BLADE CONTROL PIPELINE. 40
- LOCK VALVES 44
- STABILIZERS/BLADE SELECTION VALVE 45
- FRONT AXLE LOCK  46
- AXLE LOCK VALVE. 48
- PRESSURE RELIEF VALVE 48
- OPERATION OF CIRCUITS. 50

SECTION 08 ELECTRICAL SYSTEM

- SAFETY PRECAUTIONS 1
- FEATURES AND DATA . 2
- COMPONENTS LOCATION AND OPERATION 3
- UNDERCARRIAGE ELECTRIC COMPONENTS. 6
- MACHINE WITH FOUR STEERING WHEELS  6
- MACHINE WITH TWO STEERING WHEELS 7
- CONTROL UNITS ELECTRIC SYSTEM 7
- LIGHT AND BEAMS GROUP. 8
- GAUGES AND CONTROLS. 9
- DASHBOARDS 9
- CONTROL LEVERS. 11
- SWITCHES AND CONTROL LIGHTS PANEL. 12
- SWITCHES AND WARNING LAMPS. 13
- MONITOR PANEL. 14
- KEY START SWITCH. 26
- LEFT CONTROL LEVER 27
- RIGHT-HAND CONTROL LEVER 28
- CONTROL PANEL AND SWITCHES. 29
- MACHINE CONTROL CARD . 32
- PUMP CONTROL CARD 34
- ELECTRIC COMPONENTS . 36
- THROTTLE LEVER CONTROL . 36
- SWIVEL JOINT 37
- BATTERIES. 38
- GENERATOR 39
- STARTER 40
- CONTROL LINE AND WIRING HARNESSES. 41
- CONTROLS ON CONSOLES  41
- CONTROLS FOR SIDE PANEL SWITCHES. 49
- ANTI-TILTING CHECK CONTROL LINE . 51
- WORKING LIGHTS CONTROL LINE. 52
- TRAFFIC BEAMS CONTROL LINE 53
- STEERING COLUMN CONTROLS 58

SECTION 09 TROUBLESHOOTING

- INTRODUCTION . 1
- HYDRAULIC SYSTEM TROUBLESHOOTING  3
- ELECTRICAL SYSTEM TROUBLESHOOTING. 28

SECTION 10 PERFORMANCE TEST

- INTRODUCTION . 1
- GENERAL INFORMATION FOR MACHINE TESTING 1
- STANDARD PERFORMANCES - MH2.6 . 3
- TABLE OF EXCAVATOR STANDARD PERFORMANCES. 3
- HYDRAULIC COMPONENTS STANDARD PERFORMANCE. 5
- MAIN PUMP P-Q CURVE. 6
- STANDARD PERFORMANCES - MH3.6 . 7
- TABLE OF EXCAVATOR STANDARD PERFORMANCES. 7
- HYDRAULIC COMPONENTS STANDARD PERFORMANCE. 9
- MAIN PUMP P-Q CURVE. 10
- PREPARATION FOR PERFORMANCE TEST. 11
- EXCAVATOR PERFORMANCE TEST. 13
- ENGINE PERFORMANCE . 13
- SWING PERFORMANCE. 14
- FRONT ATTACHMENT PERFORMANCE. 18
- CONTROL LEVERS. 21
- BOOM/SLEW PERFORMANCE. 22
- COMBINED SLEW/BOOM TEST . 22
- STEERING. 23
- BRAKES SYSTEM. 24
- GEAR BOX  27
- GEAR BOX PRESSURE CHECK. 27
- COMPONENTS PERFORMANCE . 28
- OVERPRESSURE VALVE AND PILOT CONTROL LINE 28
- OVERPRESSURE RELIEF VALVES . 30
- DRIVE SHAFT . 33
- HYDRAULIC PUMPS - MH2.6 35
- HYDRAULIC PUMPS - MH3.6 37
- TRAVEL MOTOR. 39