This is the COMPLETE Service Repair Manual for the New Holland MH6.6, MH8.6, MH6.6 Industry, MH8.6 Industry (Tier 3) Wheel Excavators. It contains deep information about maintaining, assembly, disassembly and servicing your New Holland MH6.6, MH8.6, MH6.6 Industry, MH8.6 Industry (Tier 3) Wheel Excavators.
Models Covered:
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New Holland MH6.6 (Tier 3) Wheel Excavator
New Holland MH8.6 (Tier 3) Wheel Excavator
New Holland MH6.6 Industry (Tier 3) Wheel Excavator
New Holland MH8.6 Industry (Tier 3) Wheel Excavator
This Manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes, which give you complete step by step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$
SERVICE REPAIR MANUAL CONTAINS:
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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
7.1 TYRES
8. BRAKES
9. STEERING
10. ELECTRICAL SYSTEM
11. BUCKETS
12. TIGHTENING TORQUES.
13. CENTRALIZED LUBRICATION PUMP (OPTIONAL)
14. FUEL SYSTEM
15. ENGINE
16. SUPPLY SUMMARIZING CHART
SECTION 04 – 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
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 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
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)
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
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
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 PRESSURE
4.2 MAIN VALVE CALIBRATION (CONTROL VALVE)
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** Model Specification: New Holland MH6.6, MH8.6, MH6.6 Industry, MH8.6 Industry (Tier 3) Wheel Excavators
** Language: English
** Total Pages: 783
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…
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This QUALITY manual is 100 percents COMPLETE and INTACT,
no MISSING/CORRUPT pages/sections to freak you out! It also is SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed.
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