New Holland Wheeled Excavators MH2.6, MH3.6, MH City, MH Plus, MH 5.6, MH6.6, MH8.6 Repair Service Manuals
Complete service repair manual with Electrical Wiring Diagrams for New Holland Wheeled Excavators MH2.6, MH3.6, MH City, MH Plus, MH 5.6, MH6.6 (Industry), MH8.6 (Industry) with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
New Holland Wheeled Excavators MH2.6, MH3.6, MH City, MH Plus, MH 5.6, MH6.6 (Industry), MH8.6 (Industry) workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
604.07.246.50 - New Holland MH 2.6 - MH 3.6 Flat Time Rate Manual & Fault Code.pdf
604.13.477 - New Holland MH2.6 - MH3.6 Wheel Excavators Repair Manual.pdf
604.13.557 - New Holland MH City, MH Plus, MH 5.6 Hydraulic Excavator Workshop Manual.pdf
604.13.562 - New Holland MH6.6, MH8.6 Hydraulic Excavator Workshop Manual.pdf
87677413A - New Holland MH City - MH Plus - MH 5.6 Wheel Excavators (Tier 3) Repair Manual.pdf
87677418A - New Holland MH 6.6 - MH 6.6 Industry - MH 8.6 - MH 8.6 Industry Wheel Excavators Repair Manual.pdf
87730662A - New Holland MH2.6 - MH3.6 Wheel Excavators (Tier 3) Repair Manual.pdf
Training Material (New Holland Wheeled Excavators MH CITY to MH 8.6 Tier3).pdf
PRODUCT DETAILS:
Total Pages: 5,308 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
SUMMARY
SAFETY INSTRUCTIONS SECT. 0
TECHNICAL DATA AND SPECIAL TOOLS SECT. 1
MACHINE STRUCTURE SECT. 2
ELECTRICAL SYSTEM SECT. 3
ELECTRONICS SECT. 4
HYDRAULICS SECT. 5
CALIBRATION SECT. 6
TROUBLESHOOTING SECT. 7
REPAIR INSTRUCTIONS SECT. 8
TABLE OF CONTENTS
SECTION 01 MAIN
OPERATING RULES
1. INTRODUCTION ... 1
1.1 FOREWORD ..... 1
1.2 MANUAL HANDLING.... 1
SECTION 02 SAFETY
PRECAUTIONS
1. SAFETY PRECAUTIONS...... 1
2. SAFETY DECALS ... 41
SECTION 03 FEATURES
AND DATA
1. FOREWORD ..... 1
2. IDENTIFICATION DATA.... 2
3. NOISE LEVELS (2000/14/EC).... 3
4. SUMMARY PLATE FOR MAINTENANCE OPERATIONS..... 5
5. WHEELED EXCAVATOR MAIN COMPONENTS...... 6
5.1 TECHNICAL SPECIFICATIONS .... 7
5.2 OPERATING WEIGHTS... 17
5.3 DIGGING PERFORMANCE..... 18
5.4 TRANSPORT DIMENSIONS.... 20
5.5 BUCKET USEFULNESS DEPENDING ON ARM .... 24
6. FILLING CHART...... 26
SECTION 04 UPPER
STRUCTURE
1. UPPER STRUCTURE ... 1
2. MAIN FRAME AND COUNTERWEIGHT.... 5
3. POWER UNIT.... 9
3.1 ENGINE... 10
4. RADIATOR...... 12
5. HYDRAULIC PUMPS ... 14
5.1 MAIN PUMP .... 15
5.2 DOUBLE PUMP WITH GEARS.... 49
6. AIR CLEANER..... 61
7. EXHAUST SILENCER..... 62
8. HYDRAULIC OIL TANK... 64
9. FUEL TANK..... 66
10. FUEL TRANSFER PUMP..... 67
11. GUARDS AND COVERS..... 70
12. CAB ..... 76
13. SWINGING ASSY.... 88
14. MAIN CONTROL VALVE.... 100
15. SLEW DEVICE ...... 124
15.1 SLEW HYDRAULIC MOTOR ..... 126
15.2 SLEW REDUCTION UNIT...... 140
16. CONTROL LEVER .... 159
17. CONTROL PEDAL .... 164
18. STEERING UNIT ... 166
19. SWIVEL JOINT ...... 191
19.1 FEATURES AND DATA...... 193
20. BRAKE PEDAL VALVE ...... 194
21. ACCUMULATORS..... 208
22. PRESSURE SWITCHES .... 211
23. SOLENOID VALVES ...... 215
SECTION 05 UNDERCARRIAGE
1. SLEWING BEARING ..... 2
2. LOWER FRAME .... 5
3. TRAVEL ASSY ...... 6
3.1 TRAVEL HYDRAULIC MOTOR...... 7
3.2 SPEEDS GEAR BOX.... 23
3.3 STEERING AXLES: FRONT AND REAR..... 52
3.4 RIGID REAR AXLE..... 150
3.5 DRIVE SHAFT ... 213
4. WHEELS AND TYRES ... 214
4.1 TYRES... 222
5. BLADE ... 227
6. LATERAL STABILIZERS... 228
SECTION 06 FRONT
ATTACHMENT
1. INTRODUCTION ... 1
2. CYLINDER REMOVAL AND INSTALLATION.... 6
2.1 BUCKET CYLINDER..... 6
2.2 ARM CYLINDER...... 10
2.3 POSITIONING CYLINDER ... 14
2.4 BOOM CYLINDER... 19
3. MH2.6 - CYLINDERS... 24
3.1 BUCKET CYLINDER... 24
3.2 ARM CYLINDER...... 31
3.3 POSITIONING CYLINDER ... 38
3.4 BOOM CYLINDER... 45
4. MH3.6 - CYLINDERS... 52
4.1 BUCKET CYLINDER... 52
4.2 ARM CYLINDER...... 59
4.3 POSITIONING CYLINDER ... 66
4.4 BOOM CYLINDER... 73
5. ANTIDROP VALVE...... 81
6. PINS AND BUSHINGS ..... 83
7. BUCKETS.... 88
SECTION 07 HYDRAULIC
SYSTEM
1. HOSES AND FITTINGS ..... 1
2. HYDRAULIC SYSTEM ... 8
2.1 MAIN PIPELINES ... 8
2.2 SUCTION AND DELIVERY PIPELINES..... 9
2.3 RETURN PIPELINES...... 11
2.4 DRAINING PIPELINES..... 13
2.5 FRONT ATTACHMENT PIPELINES.... 17
2.6 NIBBLER/BREAKER CONTROL PIPELINES...... 18
2.7 SLEW CONTROL PIPELINES - TRAVEL AND BLADE/STABILIZERS... 23
2.8 STEERING PIPELINES (MACHINE 4WD)... 25
2.9 STEERING PIPELINES (MACHINE 2WD)... 28
2.10 BRAKE PIPELINES..... 31
2.11 POWER STEERING PIPELINES..... 35
2.12 LATERAL STABILIZERS AND BLADE CONTROL PIPELINE..... 40
2.13 LOCK VALVES.... 44
2.14 STABILIZERS/BLADE SELECTION VALVE.... 45
2.15 FRONT AXLE LOCK .... 46
2.16 AXLE LOCK VALVE..... 48
2.17 PRESSURE RELIEF VALVE.... 48
3. OPERATION OF CIRCUITS..... 50
SECTION 08 ELECTRICAL
SYSTEM
1. SAFETY PRECAUTIONS...... 1
2. FEATURES AND DATA ..... 2
3. COMPONENTS LOCATION AND OPERATION.... 3
4. UNDERCARRIAGE ELECTRIC COMPONENTS... 6
4.1 MACHINE WITH FOUR STEERING WHEELS ...... 6
4.2 MACHINE WITH TWO STEERING WHEELS.... 7
5. CONTROL UNITS ELECTRIC SYSTEM.... 7
6. LIGHT AND BEAMS GROUP..... 8
7. GAUGES AND CONTROLS... 9
7.1 DASHBOARDS...... 9
7.2 CONTROL LEVERS..... 11
7.3 SWITCHES AND CONTROL LIGHTS PANEL..... 12
7.4 SWITCHES AND WARNING LAMPS... 13
7.5 MONITOR PANEL... 14
7.6 KEY START SWITCH... 26
7.7 LEFT CONTROL LEVER...... 27
7.8 RIGHT-HAND CONTROL LEVER.... 28
7.9 CONTROL PANEL AND SWITCHES... 29
7.10 MACHINE CONTROL CARD ... 32
7.11 PUMP CONTROL CARD...... 34
8. ELECTRIC COMPONENTS ..... 36
8.1 THROTTLE LEVER CONTROL ... 36
8.2 SWIVEL JOINT.... 37
8.3 BATTERIES..... 38
8.4 GENERATOR...... 39
8.5 STARTER.... 40
9. CONTROL LINE AND WIRING HARNESSES..... 41
9.1 CONTROLS ON CONSOLES ...... 41
9.2 CONTROLS FOR SIDE PANEL SWITCHES... 49
9.3 ANTI-TILTING CHECK CONTROL LINE ..... 51
9.4 WORKING LIGHTS CONTROL LINE... 52
9.5 TRAFFIC BEAMS CONTROL LINE...... 53
9.6 STEERING COLUMN CONTROLS...... 58
SECTION 09 TROUBLESHOOTING
1. INTRODUCTION ... 1
2. HYDRAULIC SYSTEM TROUBLESHOOTING ...... 3
3. ELECTRICAL SYSTEM TROUBLESHOOTING... 28
SECTION 10 PERFORMANCE
TEST
1. INTRODUCTION ... 1
1.1 GENERAL INFORMATION FOR MACHINE TESTING...... 1
2. STANDARD PERFORMANCES - MH2.6 ... 3
2.1 TABLE OF EXCAVATOR STANDARD PERFORMANCES... 3
2.2 HYDRAULIC COMPONENTS STANDARD PERFORMANCE... 5
2.3 MAIN PUMP P-Q CURVE... 6
3. STANDARD PERFORMANCES - MH3.6 ... 7
3.1 TABLE OF EXCAVATOR STANDARD PERFORMANCES... 7
3.2 HYDRAULIC COMPONENTS STANDARD PERFORMANCE... 9
3.3 MAIN PUMP P-Q CURVE..... 10
4. PREPARATION FOR PERFORMANCE TEST..... 11
5. EXCAVATOR PERFORMANCE TEST..... 13
5.1 ENGINE PERFORMANCE ... 13
5.2 SWING PERFORMANCE..... 14
5.3 FRONT ATTACHMENT PERFORMANCE... 18
5.4 CONTROL LEVERS..... 21
6. BOOM/SLEW PERFORMANCE... 22
6.1 COMBINED SLEW/BOOM TEST ..... 22
6.2 STEERING... 23
6.3 BRAKES SYSTEM... 24
7. GEAR BOX ...... 27
7.1 GEAR BOX PRESSURE CHECK..... 27
8. COMPONENTS PERFORMANCE ... 28
8.1 OVERPRESSURE VALVE AND PILOT CONTROL LINE.... 28
8.2 OVERPRESSURE RELIEF VALVES ... 30
8.3 DRIVE SHAFT ..... 33
8.4 HYDRAULIC PUMPS - MH2.6...... 35
8.5 HYDRAULIC PUMPS - MH3.6...... 37
8.6 TRAVEL MOTOR..... 39
New Holland Wheeled Excavators MH2.6, MH3.6, MH City, MH Plus, MH 5.6, MH6.6, MH8.6 Repair Service Manuals
