New Holland MhCity MhPlus Mh5.6 Tier III Wheel Excavator 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 .
This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.
Models And Serials :
All Years & Serials Covered
SECTION 01 – SAFETY PRECAUTIONS
1. GENERAL SAFETY INSTRUCTIONS
2. USE INSTRUCTION
SECTION 02 – CONTROLS AND INSTRUMENTS
1. SWITCHES AND PUSH-BUTTONS
2. CONTROLS AND PEDALS
3. MULTI-FUNCTION DISPLAY
SECTION 03 – TECHNICAL SPECIFICATIONS
1. MAIN COMPONENTS
2. DIMENSIONS – OPERATING WEIGHTS
3. DIGGING PERFORMANCE
4. LIFTING CAPACITIES
5. HYDRAULIC SYSTEM
6. ROTATION
7. TRAVEL
8. TYRES
9. BRAKES
10. STEERING
11. ELECTRICAL SYSTEM
12. BUCKETS
13. TIGHTENING TORQUES
14. CENTRALIZED LUBRICATION PUMP (OPTIONAL)
15. FUEL SYSTEM
16. ENGINE
17. SUPPLY SUMMARIZING CHART
SECTION 04 – UPPER STRUCTURE
1. MAIN COMPONENTS
2. SLEWING BEARING
3. ROTATION GEARMOTOR
3.1 DISASSEMBLY AND ASSEMBLY
3.2 SPECIAL TOOLS
4. MULTI-COOLER
4.1 TECHNICAL SPECIFICATIONS
5. HYDRAULIC PUMPS
6. MUFFLER
7. HYDRAULIC OIL TANK
8. AIR FILTER
9. COUNTERWEIGHT
10. FUEL SYSTEM
11. CAB AND OPERATOR’S SEAT
12. CENTRALIZED LUBRICATION PUMP
SECTION 05 – UNDERCARRIAGE
1. UNDERCARRIAGE COMPONENTS
2. REAR RIGID AXLE
2.1 TECHNICAL SPECIFICATIONS
2.2 DISASSEMBLY AND ASSEMBLY
2.3 DISASSEMBLY AND ASSEMBLY
2.4 TROUBLESHOOTING
2.5 SPECIAL TOOLS
3. TRAVEL MOTOR
3.1 TECHNICAL SPECIFICATIONS
3.2 DISASSEMBLY AND ASSEMBLY
3.3 DISASSEMBLY AND ASSEMBLY
4. CARDAN SHAFT
4.1 DISASSEMBLY AND ASSEMBLY
5. FRONT STEERING AXLE
5.1 TECHNICAL SPECIFICATIONS.
5.2 DISASSEMBLY AND ASSEMBLY
5.3 DISASSEMBLY AND ASSEMBLY
5.4 TROUBLESHOOTING
5.5 SPECIAL TOOLS
6. WHEELS AND TYRES
7. BLADE
7.1 BLADE CYLINDER
8. AXLE FLOATING LOCKING CYLINDERS
8.1 TECHNICAL SPECIFICATIONS
8.2 DISASSEMBLY AND ASSEMBLY
8.3 AIR BLEEDING
8.4 DISASSEMBLY AND ASSEMBLY
8.5 TROUBLESHOOTING
9. STABILIZERS
9.1 STABILIZER CYLINDERS
9.2 TROUBLESHOOTING
10. LEFT LADDER
11. RIGHT LADDER AND TOOL STORAGE BOX
12. ROTARY CONTROL VALVE AND ELECTRIC ROTOR
12.1 TECHNICAL SPECIFICATIONS
12.2 DISASSEMBLY AND ASSEMBLY
12.3 DISASSEMBLY AND ASSEMBLY
12.4 ELECTRIC ROTOR
SECTION 06 – FRONT ATTACHMENT
1. TYPES OF FRONT ATTACHMENT
2. HYDRAULIC CYLINDERS
2.1 BOOM CYLINDER
2.2 SPECIAL TOOLS
3. BUCKETS
4. QUICK COUPLER
5. CLAMSHELL BUCKET
SECTION 07 – STEERING SYSTEM
1. OPERATION
2. POWER STEERING
2.1 DISASSEMBLY AND ASSEMBLY
3. PRIORITY VALVE
4. TROUBLESHOOTING
SECTION 08 – BRAKE SYSTEM
1. OPERATION
2. SERVICE BRAKE
3. PARKING BRAKE
4. PEDAL BRAKE VALVE
5. ACCUMULATORS
6. TROUBLESHOOTING
SECTION 09 – HYDRAULIC SYSTEM
1. HYDRAULIC SYSTEM
2. HYDRAULIC SYSTEM DIAGRAMS
2.1 HYDRAULIC SYSTEM DIAGRAMS – UPPER STRUCTURE
2.2 HYDRAULIC SYSTEM DIAGRAMS – UNDERCARRIAGE
2.3 HYDRAULIC SYSTEM DIAGRAMS BLADE AND/OR STABILIZERS
3. HYDRAULIC PUMPS
4. UPPER STRUCTURE CONTROL VALVE
5. UNDERCARRIAGE CONTROL VALVE
6. PILOT CONTROL ASSY
7. ROTATION SYSTEM
8. TRAVEL
9. STABILIZATION HYDRAULIC SYSTEM
10. BOOM HYDRAULIC SYSTEM
11. HYDRAULIC SYSTEM
12. HYDRAULIC SYSTEM OF DIPPER
13. HYDRAULIC SYSTEM OF PLACING BOOM
14. HYDRAULIC SYSTEM WITH COMBINATION OF DIFFERENT FUNCTIONS
(BOOM, PLACING BOOM, DIPPER AND BUCKET)114
15. HYDRAULIC SYSTEM OF HAMMER (WITH PLACING BOOM)
16. HYDRAULIC SYSTEM OF HAMMER AND SHEARS (WITH PLACING BOOM)
17. HYDRAULIC SYSTEM OF SHEARS (WITH PLACING BOOM)
18. HYDRAULIC SYSTEM OF HAMMER (WITH MONOBOOM)
19. HYDRAULIC SYSTEM OF HAMMER AND SHEARS (WITH MONOBOOM)
20. HYDRAULIC SYSTEM OF SHEARS (WITH MONOBOOM)
21. TROUBLESHOOTING
SECTION 10 – ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS
2. FUSES
3. BATTERIES
4. BULBS
5. TROUBLESHOOTING
SECTION 11 – ELECTRONICS
1. MAIN COMPONENTS
1.1 ELECTRICAL POWER SUPPLY DIAGRAM
2. COMPONENTS OF LINE 1
3. COMPONENTS OF LINE 2
3.1 TRAVEL PEDAL
3.2 ATTACHMENT PEDAL (PLACING BOOM AND HAMMER)
3.3 ELECTRO-HYDRAULIC SYSTEM
3.4 POWER CONTROL SYSTEM
4. ENGINE SPEED ACTUATOR
5. COOLANT TEMPERATURE DETECTION
6. CHARGE AIR TEMPERATURE DETECTION
7. HYDRAULIC OIL TEMPERATURE DETECTION
8. PROPORTIONAL VALVE – FAN MOTOR
9. PROPORTIONAL VALVES – CONTROL BLOCK
SECTION 12 – CALIBRATION
1. NECESSARY OPERATIONS BEFORE CALIBRATION
2. DISPLAY: CALIBRATION MENU
3. CALIBRATIONS WITH THE ENGINE RUNNING
3.1 VDO CALIBRATION
3.2 POWER CALIBRATION
3.3 MAIN VALVE CALIBRATION (CONTROL VALVE)
3.4 TRAVEL CALIBRATION
3.5 PUMP DELIVERY CALIBRATION
3.6 ROTATION PUMP CALIBRATION
3.7 AUXILIARY PRESSURE CALIBRATION
4. CALIBRATIONS WITH THE ENGINE STOPPED
4.1 CALIBRATIONS, ALL SOLENOID VALVES, MAIN PUMP, ROTATION PUMP,
AUXILIARY PRESSURE24
4.2 MAIN VALVE CALIBRATION (CONTROL VALVE)
5. DISTRIBUTORE
6. VALVOLA SOSTENIMENTO DEL CARICO
7. DIAGNOSI INCONVENIENTI
