New Holland MH6.6 - MH8.6 - MH6.6 Industry - MH8.6 Industry Tier 3 Workshop Manual

Workshop Manual 

New Holland MH6.6
New Holland MH8.6
New Holland MH6.6 Industry
New Holland MH8.6 Industry
Tier 3
Hydraulic Excavator

783 pages
Language: English

You will receive the downloadlink of the digital manual (pdf) in your email account after your payment

Contents:

SAFETY PRECAUTIONS
1. GENERAL SAFETY INSTRUCTIONS
2. USE INSTRUCTION

CONTROLS AND INSTRUMENTS
1. SWITCHES AND PUSH-BUTTONS
2. CONTROLS AND PEDALS 
3. MULTI-FUNCTION DISPLAY 

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

UPPER STRUCTURE
1. MAIN COMPONENTS
2. SLEWING BEARING 
3. ROTATION GEARMOTOR
3.1 DISASSEMBLY AND ASSEMBLY 
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 
11.1 CAB AT VARIABLE HEIGHT (MH 6.6 Industry - MH 8.6 Industry)
12. CENTRALIZED LUBRICATION PUMP

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 

FRONT ATTACHMENT
1. TYPES OF FRONT ATTACHMENT 
2. HYDRAULIC CYLINDERS
2.1 BOOM CYLINDER
2.2 DIPPER CYLINDER (MH 6.6 - MH 8.6)
2.3 DIPPER CYLINDER (MH 6.6 Industry - MH 8.6 Industry)
2.4 SPECIAL TOOLS
3. BUCKETS MH 6.6 - MH 8.6
4. MH 6.6 - MH 8.6 QUICK COUPLER 
5. CLAMSHELL BUCKET

STEERING SYSTEM
1. OPERATION
2. POWER STEERING
2.1 DISASSEMBLY AND ASSEMBLY 
3. PRIORITY VALVE 
4. TROUBLESHOOTING

BRAKE SYSTEM
1. OPERATION
2. SERVICE BRAKE
3. PARKING BRAKE 
4. PEDAL BRAKE VALVE 
5. ACCUMULATORS
6. TROUBLESHOOTING

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

ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS
1.1 MH 6.6 - MH 8.6
1.2 MH 6.6 Industry - MH 8.6 Industry
2. FUSES 
3. BATTERIES
4. BULBS 
5. TROUBLESHOOTING

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

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 PRESSURE
4.2 MAIN VALVE CALIBRATION (CONTROL VALVE)