New Holland MH5.6, MH City and MH Plus Excavator Manual

New Holland MH5.6, MH City and MH Plus Excavator Manual

$35.00

Manual For: Wheeled Excavator MH5.6, MH City and MH Plus
Format: PDF
Print No. 604.13.557 and Print No. 87677413A
English

Repair Manual for Excavator MH5.6, MH City and MH Plus including Tier 3

New Holland MH5.6, MH City and MH Plus Excavator Service Manual: 687 Pages
New Holland MH5.6, MH City and MH Plus Tier 3 Excavator Service Manual: 761 Pages

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Description

New Holland MH5.6, MH City and MH Plus Excavator Service Manual

Manual For: Wheeled Excavator MH5.6, MH City and MH Plus
Format: PDF
Print No. 604.13.557 and Print No. 87677413A
English

Repair Manual for Excavator MH5.6, MH City and MH Plus including Tier 3

New Holland MH5.6, MH City and MH Plus Excavator Service Manual: 687 Pages
New Holland MH5.6, MH City and MH Plus Tier 3 Excavator Service Manual: 761 Pages

Schematic Set – Hydraulic and Electrical Schematics is included in the manual

INDEX
SPECIFICATIONS
01 – MAIN OPERATING RULES
02 – CONTROLS AND INSTRUMENTS
03 – TECHNICAL SPECIFICATIONS
04 – UPPER STRUCTURE
05 – UNDERCARRIAGE
06 – FRONT ATTACHMENT
07 – STEERING SYSTEM
08 – BRAKE SYSTEM
09 – HYDRAULIC SYSTEM
10 – ELECTRICAL SYSTEM
11 – ELECTRONICS
12 – CALIBRATION

The New Holland manual is applicable for the model namely : MH5.6, MH City and MH Plus

The MH5.6, MH City and MH Plus Excavator Workshop Manual is wrote by New Holland repair specialist. It provides important information on carrying out repair work expertly. Please go carefully through the Workshop Manual of the mini excavator before starting any repair work. Use the Workshop Manual of the MH5.6, MH City and MH Plus Wheeled Excavator as a reference book and source of information even if you are familiar with mini excavator technology. Using the Workshop Manual, the experience construction machine mechanic can carry out any necessary repairs expertly.

Sections of the Manual

The Manual is into main groups and subgroups, and covers any previous version of the machine. Any additions or modifications which can happen at a later date are not describe in this manual. The require information can easily be found by referring to the table of contents. For reasons of clarity, some of the illustrations are present in simplified form. Differences from the actual version at the MH5.6, MH City and MH Plus Wheeled excavator are therefore possible if this adds to the clarity of the information.

REPAIR and Parts

Carry out any necessary repair work as soon as possible.This reduces repair costs and increases the availability of your mini excavator When doing any work on the mini excavator, always observe the instructions given in the Workshop Manual. Extensive works not describe in the New Holland MH5.6, MH City and MH Plus Workshop Manual would be done for you by your dealer. Always use original spare parts only.

INDEX
SECTION 01 – SAFETY PRECAUTIONS
1. GENERAL SAFETY INSTRUCTIONS………………………………………………………………………………………….. 2
2. USE INSTRUCTION………………………………………………………………………………………………………………… 11
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……………………………………………………………………………………… 3
3. DIGGING PERFORMANCE ……………………………………………………………………………………………………… 19
4. LIFTING CAPACITIES……………………………………………………………………………………………………………… 33
5. HYDRAULIC SYSTEM …………………………………………………………………………………………………………….. 39
6. ROTATION …………………………………………………………………………………………………………………………….. 40
7. TRAVEL…………………………………………………………………………………………………………………………………. 41
8. TYRES…………………………………………………………………………………………………………………………………… 42
9. BRAKES ………………………………………………………………………………………………………………………………… 42
10. STEERING …………………………………………………………………………………………………………………………….. 42
11. ELECTRICAL SYSTEM……………………………………………………………………………………………………………. 42
12. BUCKETS………………………………………………………………………………………………………………………………. 43
13. TIGHTENING TORQUES…………………………………………………………………………………………………………. 44
14. CENTRALIZED LUBRICATION PUMP (OPTIONAL)……………………………………………………………………. 44
15. FUEL SYSTEM……………………………………………………………………………………………………………………….. 44
16. ENGINE…………………………………………………………………………………………………………………………………. 45
17. SUPPLY SUMMARIZING CHART……………………………………………………………………………………………… 46
SECTION 04 – UPPER STRUCTURE
1. MAIN COMPONENTS……………………………………………………………………………………………………………….. 1
2. SLEWING BEARING …………………………………………………………………………………………………………………. 2
3. ROTATION GEARMOTOR…………………………………………………………………………………………………………. 7
3.1 DISASSEMBLY AND ASSEMBLY ……………………………………………………………………………………… 12
3.2 SPECIAL TOOLS …………………………………………………………………………………………………………….. 34
4. MULTI-COOLER……………………………………………………………………………………………………………………… 35
4.1 TECHNICAL SPECIFICATIONS ………………………………………………………………………………………… 36
5. HYDRAULIC PUMPS ………………………………………………………………………………………………………………. 39
6. MUFFLER………………………………………………………………………………………………………………………………. 40
7. HYDRAULIC OIL TANK……………………………………………………………………………………………………………. 41
8. AIR FILTER ……………………………………………………………………………………………………………………………. 47
9. COUNTERWEIGHT…………………………………………………………………………………………………………………. 47
10. FUEL SYSTEM……………………………………………………………………………………………………………………….. 48

11. CAB AND OPERATOR S SEAT ………………………………………………………………………………………………… 55
12. CENTRALIZED LUBRICATION PUMP……………………………………………………………………………………….. 66
SECTION 05 – UNDERCARRIAGE
1. UNDERCARRIAGE COMPONENTS……………………………………………………………………………………………. 1
2. REAR RIGID AXLE……………………………………………………………………………………………………………………. 2
2.1 TECHNICAL SPECIFICATIONS…………………………………………………………………………………………… 3
2.2 DISASSEMBLY AND ASSEMBLY………………………………………………………………………………………… 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 ………………………………………………………………………………………………………. 106
5.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………….. 107
5.2 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 110
5.3 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 112
5.4 TROUBLESHOOTING…………………………………………………………………………………………………….. 185
5.5 SPECIAL TOOLS……………………………………………………………………………………………………………. 187
6. WHEELS AND TYRES …………………………………………………………………………………………………………… 188
7. BLADE …………………………………………………………………………………………………………………………………. 192
7.1 BLADE CYLINDER…………………………………………………………………………………………………………. 194
8. AXLE FLOATING LOCKING CYLINDERS ………………………………………………………………………………… 202
8.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………….. 203
8.2 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 204
8.3 AIR BLEEDING………………………………………………………………………………………………………………. 205
8.4 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 206
8.5 TROUBLESHOOTING…………………………………………………………………………………………………….. 208
9. STABILIZERS ……………………………………………………………………………………………………………………….. 209
9.1 STABILIZER CYLINDERS……………………………………………………………………………………………….. 212
9.2 TROUBLESHOOTING…………………………………………………………………………………………………….. 221
10. LEFT LADDER………………………………………………………………………………………………………………………. 223
11. RIGHT LADDER AND TOOL STORAGE BOX…………………………………………………………………………… 224
12. ROTARY CONTROL VALVE AND ELECTRIC ROTOR………………………………………………………………. 225
12.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………….. 225
12.2 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 226
12.3 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………….. 227
12.4 ELECTRIC ROTOR ………………………………………………………………………………………………………… 229
SECTION 06 – FRONT ATTACHMENT
1. TYPES OF FRONT ATTACHMENT …………………………………………………………………………………………….. 2
2. HYDRAULIC CYLINDERS………………………………………………………………………………………………………….. 4
2.1 BOOM CYLINDER……………………………………………………………………………………………………………… 5
2.2 SPECIAL TOOLS……………………………………………………………………………………………………………… 50

3. BUCKETS………………………………………………………………………………………………………………………………. 51
4. QUICK COUPLER …………………………………………………………………………………………………………………… 55
5. CLAMSHELL BUCKET…………………………………………………………………………………………………………….. 59
SECTION 07 – STEERING SYSTEM
1. OPERATION…………………………………………………………………………………………………………………………….. 1
2. POWER STEERING………………………………………………………………………………………………………………….. 3
2.1 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
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 …………………………………………………….. 23
2.3 HYDRAULIC SYSTEM DIAGRAMS BLADE AND/OR STABILIZERS ……………………………………… 27
3. HYDRAULIC PUMPS ………………………………………………………………………………………………………………. 31
4. UPPER STRUCTURE CONTROL VALVE ………………………………………………………………………………….. 48
5. UNDERCARRIAGE CONTROL VALVE ……………………………………………………………………………………… 58
6. PILOT CONTROL ASSY ………………………………………………………………………………………………………….. 60
7. ROTATION SYSTEM ………………………………………………………………………………………………………………. 69
8. TRAVEL…………………………………………………………………………………………………………………………………. 73
9. STABILIZATION HYDRAULIC SYSTEM…………………………………………………………………………………….. 84
10. BOOM HYDRAULIC SYSTEM ………………………………………………………………………………………………….. 90
11. HYDRAULIC SYSTEM …………………………………………………………………………………………………………….. 97
12. HYDRAULIC SYSTEM OF DIPPER…………………………………………………………………………………………. 103
13. HYDRAULIC SYSTEM OF PLACING BOOM…………………………………………………………………………….. 107
14. HYDRAULIC SYSTEM WITH COMBINATION OF DIFFERENT FUNCTIONS
(BOOM, PLACING BOOM, DIPPER AND BUCKET)114
15. HYDRAULIC SYSTEM OF HAMMER (WITH PLACING BOOM) ………………………………………………….. 116
16. HYDRAULIC SYSTEM OF HAMMER AND SHEARS (WITH PLACING BOOM)…………………………….. 119
17. HYDRAULIC SYSTEM OF SHEARS (WITH PLACING BOOM) …………………………………………………… 124
18. HYDRAULIC SYSTEM OF HAMMER (WITH MONOBOOM)……………………………………………………….. 127
19. HYDRAULIC SYSTEM OF HAMMER AND SHEARS (WITH MONOBOOM) …………………………………. 130
20. HYDRAULIC SYSTEM OF SHEARS (WITH MONOBOOM)………………………………………………………… 135
21. TROUBLESHOOTING……………………………………………………………………………………………………………. 138

SECTION 10 – ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS………………………………………………………………………………………………………….. 1
2. FUSES …………………………………………………………………………………………………………………………………… 41
3. BATTERIES……………………………………………………………………………………………………………………………. 44
4. BULBS …………………………………………………………………………………………………………………………………… 48
5. TROUBLESHOOTING……………………………………………………………………………………………………………… 52
SECTION 11 – ELECTRONICS
1. MAIN COMPONENTS ……………………………………………………………………………………………………………….. 1
1.1 ELECTRICAL POWER SUPPLY DIAGRAM………………………………………………………………………….. 3
2. COMPONENTS OF LINE 1 ………………………………………………………………………………………………………… 5
3. COMPONENTS OF LINE 2 ………………………………………………………………………………………………………… 9
3.1 TRAVEL PEDAL ………………………………………………………………………………………………………………. 15
3.2 ATTACHMENT PEDAL (PLACING BOOM AND HAMMER)…………………………………………………… 16
3.3 ELECTRO-HYDRAULIC SYSTEM ……………………………………………………………………………………… 17
3.4 POWER CONTROL SYSTEM……………………………………………………………………………………………. 18
4. ENGINE SPEED ACTUATOR …………………………………………………………………………………………………… 25
5. COOLANT TEMPERATURE DETECTION………………………………………………………………………………….. 26
6. CHARGE AIR TEMPERATURE DETECTION……………………………………………………………………………… 27
7. HYDRAULIC OIL TEMPERATURE DETECTION…………………………………………………………………………. 28
8. PROPORTIONAL VALVE – FAN MOTOR…………………………………………………………………………………… 29
9. PROPORTIONAL VALVES – CONTROL BLOCK…………………………………………………………………………. 30
SECTION 12 – CALIBRATION
1. NECESSARY OPERATIONS BEFORE CALIBRATION………………………………………………………………….. 1
2. DISPLAY: CALIBRATION MENU ………………………………………………………………………………………………… 3
3. CALIBRATIONS WITH THE ENGINE RUNNING…………………………………………………………………………… 4
3.1 VDO CALIBRATION …………………………………………………………………………………………………………… 6
3.2 POWER CALIBRATION ……………………………………………………………………………………………………… 8
3.3 MAIN VALVE CALIBRATION (CONTROL VALVE)……………………………………………………………….. 10
3.4 TRAVEL CALIBRATION……………………………………………………………………………………………………. 13
3.5 PUMP DELIVERY CALIBRATION………………………………………………………………………………………. 15
3.6 ROTATION PUMP CALIBRATION……………………………………………………………………………………… 18
3.7 AUXILIARY PRESSURE CALIBRATION …………………………………………………………………………….. 20
4. CALIBRATIONS WITH THE ENGINE STOPPED ………………………………………………………………………… 22
4.1 CALIBRATIONS, ALL SOLENOID VALVES, MAIN PUMP, ROTATION PUMP,
AUXILIARY PRESSURE24
4.2 MAIN VALVE CALIBRATION (CONTROL VALVE)……………………………………………………………….. 26
5. DISTRIBUTORE ……………………………………………………………………………………………………………………… 26
6. VALVOLA SOSTENIMENTO DEL CARICO………………………………………………………………………………… 29
7. DIAGNOSI INCONVENIENTI ……………………………………………………………………………………………………. 30

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