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W50BTC-W60BTC-W70BTC-W80BTC TIER3 SERVICE MANUAL

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W50BTC-W60BTC-W70BTC-W80BTC TIER3 SERVICE MANUAL

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NEW HOLLAND W50BTC-W60BTC-W70BTC-W80BTC TIER3 SERVICE MANUAL

What does this catalog contain?

W50BTC-W60BTC-W70BTC-W80BTC TIER3 SERVICE MANUAL contains high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your machine. This document is printable, without restrictions, contains searchable text and bookmarks for easy navigation.

W50BTC-W60BTC-W70BTC-W80BTC TIER3 SERVICE 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.

What will you get when you get this service catalog?

  • After payment has been received, a few minutes later.
  • Lifetime PDF and Access To Download (By Request).
  • Compatible With Windows, Mac, IOS, Android and Other Systems.
  • Searchable Text and Built-in Index For Instant Information Search Bookmarks.
  • Printable – Pages Or Entire Manual.
  • Zoomable – Detailed Exploded Diagrams, Picture.

TABLE OF CONTENT OF THE W50BTC-W60BTC-W70BTC-W80BTC TIER3 SERVICE MANUAL

SECTION 00 – INTRODUCTION
1. SAFETY INSTRUCTIONS……………………………………………………………………………………………………………. 1
2. GENERAL SAFETY INSTRUCTIONS……………………………………………………………………………………………. 2
3. TECHNICAL SPECIFICATIONS………………………………………………………………………………………………….. 12
SECTION 10 – ENGINE
1. DIESEL ENGINE ………………………………………………………………………………………………………………………… 1
2. FUEL SYSTEM…………………………………………………………………………………………………………………………… 2
SECTION 25 – FRONT AXLES
1. REMOVAL AND INSTALLATION ………………………………………………………………………………………………….. 1
2. DIMENSIONS …………………………………………………………………………………………………………………………….. 3
3. TECHNICAL SPECIFICATIONS……………………………………………………………………………………………………. 5
4. OIL CHANGE……………………………………………………………………………………………………………………………… 9
5. DISASSEMBLY AND ASSEMBLY……………………………………………………………………………………………….. 12
5.1 DISC BRAKE ASSY…………………………………………………………………………………………………………….. 12
5.2 BRAKE CALIPER ……………………………………………………………………………………………………………….. 19
5.3 REDUCTION GEAR (W50BTC) ……………………………………………………………………………………………. 27
5.4 REDUCTION UNIT (W60BTC, W70BTC, W80BTC)………………………………………………………………… 30
5.5 WHEEL HUB (W50BTC)………………………………………………………………………………………………………. 33
5.6 WHEEL HUB (W60BTC, W70BTC, W80BTC) ………………………………………………………………………… 42
5.7 WHEEL SHAFT (W60BTC, W70BTC, W80BTC) …………………………………………………………………….. 48
5.8 BRAKE AND WHEEL SHAFT (W60BTC, W70BTC, W80BTC “HIGH SPEED”)…………………………… 52
5.9 DIFFERENTIAL SUPPORT………………………………………………………………………………………………….. 60
5.10 DIFFERENTIAL ASSY……………………………………………………………………………………………………….. 68
5.11 PINION…………………………………………………………………………………………………………………………….. 75
6. TROUBLESHOOTING……………………………………………………………………………………………………………….. 81
7. SPECIAL TOOLS………………………………………………………………………………………………………………………. 84
SECTION 27 – REAR AXLES
1. REMOVAL AND INSTALLATION ………………………………………………………………………………………………….. 1
2. DIMENSIONS …………………………………………………………………………………………………………………………….. 3
3. TECHNICAL SPECIFICATIONS……………………………………………………………………………………………………. 7
4. OIL CHANGE……………………………………………………………………………………………………………………………. 14
5. DISASSEMBLY AND ASSEMBLY……………………………………………………………………………………………….. 18
5.1 MOTOR TB150…………………………………………………………………………………………………………………… 18
5.2 MOTOR TB138.5 “HIGH SPEED” …………………………………………………………………………………………. 21
5.3 TRANSMISSION BOX TB150 ………………………………………………………………………………………………. 25
5.4 TRANSMISSION TB138.5 “HIGH SPEED” …………………………………………………………………………….. 34
5.5 REDUCTION GEAR (W50BTC) ……………………………………………………………………………………………. 54
5.6 REDUCTION UNIT (W60BTC, W70BTC, W80BTC)………………………………………………………………… 57
5.7 WHEEL HUB (W50BTC)………………………………………………………………………………………………………. 61
5.8 WHEEL HUB (W60BTC, W70BTC, W80BTC) ………………………………………………………………………… 70

5.9 WHEEL SHAFT (W60BTC, W70BTC, W80BTC) …………………………………………………………………….. 76
5.10 DIFFERENTIAL SUPPORT ………………………………………………………………………………………………… 80
5.11 DIFFERENTIAL ASSY……………………………………………………………………………………………………….. 88
5.12 LIMITED SLIP DIFFERENTIAL ASSY………………………………………………………………………………….. 94
5.13 PINION…………………………………………………………………………………………………………………………… 101
6. TROUBLESHOOTING ……………………………………………………………………………………………………………… 107
7. SPECIAL TOOLS…………………………………………………………………………………………………………………….. 110
SECTION 33 – BRAKE SYSTEM
1. BRAKE SYSTEM DIAGRAM ………………………………………………………………………………………………………… 1
1.1 STANDARD DIAGRAM………………………………………………………………………………………………………….. 1
1.2 “HIGH SPEED” DIAGRAM……………………………………………………………………………………………………… 2
2. TECHNICAL SPECIFICATIONS……………………………………………………………………………………………………. 3
2.1 BRAKE PEDAL VALVE………………………………………………………………………………………………………….. 3
2.2 PRESSURE SWITCHES ……………………………………………………………………………………………………….. 3
3. OPERATION………………………………………………………………………………………………………………………………. 4
3.1 SERVICE BRAKE OPERATION……………………………………………………………………………………………… 6
3.2 PARKING BRAKE OPERATION……………………………………………………………………………………………… 8
4. BRAKE PEDAL VALVE………………………………………………………………………………………………………………… 9
5. PRESSURE SWITCHES ……………………………………………………………………………………………………………. 11
6. BRAKE ACCUMULATOR …………………………………………………………………………………………………………… 12
6.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………………. 12
7. CHECKS AND ADJUSTMENTS………………………………………………………………………………………………….. 13
7.1 SERVICE BRAKE SYSTEM PRESSURE CHECK…………………………………………………………………… 13
7.2 ACCUMULATOR PRESSURE CHECK………………………………………………………………………………….. 14
7.3 PEDAL ANGLE ADJUSTMENT…………………………………………………………………………………………….. 15
7.4 “INCHING” VALVE ADJUSTMENT………………………………………………………………………………………… 16
8. TROUBLESHOOTING ……………………………………………………………………………………………………………….. 17
SECTION 35 – HYDRAULIC SYSTEM
1. HYDRAULIC DIAGRAMS …………………………………………………………………………………………………………….. 1
1.1 HYDRAULIC DIAGRAM FOR W50BTC …………………………………………………………………………………… 1
1.2 HYDRAULIC DIAGRAM FOR W50BTC WITH OPTIONAL OUTFITS…………………………………………… 3
1.3 HYDRAULIC DIAGRAM FOR W60BTC …………………………………………………………………………………… 5
1.4 HYDRAULIC DIAGRAM FOR W60BTC WITH OPTIONAL OUTFITS…………………………………………… 7
1.5 HYDRAULIC DIAGRAM FOR W70BTC …………………………………………………………………………………… 9
1.6 HYDRAULIC DIAGRAM FOR W70BTC WITH OPTIONAL OUTFITS…………………………………………. 11
1.7 HYDRAULIC DIAGRAM FOR W80BTC …………………………………………………………………………………. 13
1.8 HYDRAULIC DIAGRAM FOR W80BTC WITH OPTIONAL OUTFITS…………………………………………. 15
2. TRANSMISSION……………………………………………………………………………………………………………………….. 17
2.1 HYDRAULIC DIAGRAM……………………………………………………………………………………………………….. 17
2.2 OPERATION………………………………………………………………………………………………………………………. 18
2.3 ADJUSTMENTS………………………………………………………………………………………………………………….. 20
3. VARIABLE-DISPLACEMENT PISTON PUMP……………………………………………………………………………….. 22
3.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………………. 23
3.2 MAIN VALVES ……………………………………………………………………………………………………………………. 24
3.3 DISASSEMBLY…………………………………………………………………………………………………………………… 32
3.4 ASSEMBLY………………………………………………………………………………………………………………………… 51

4. GEAR PUMP ……………………………………………………………………………………………………………………………. 58
4.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………………. 58
4.2 COMPONENTS ………………………………………………………………………………………………………………….. 59
4.3 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………………. 60
5. PRIORITY VALVE …………………………………………………………………………………………………………………….. 63
5.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………………. 63
6. TRAVEL MOTOR………………………………………………………………………………………………………………………. 64
6.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………………. 64
6.2 MAIN COMPONENTS …………………………………………………………………………………………………………. 65
6.3 OPERATION………………………………………………………………………………………………………………………. 66
6.4 REMOVAL …………………………………………………………………………………………………………………………. 69
7. DISASSEMBLY AND ASSEMBLY……………………………………………………………………………………………….. 70
8. ONE-WAY DISTRIBUTOR VALVE………………………………………………………………………………………………. 84
9. HYDRAULIC OIL TANK……………………………………………………………………………………………………………… 85
9.1 OIL FILTER………………………………………………………………………………………………………………………… 86
10. TROUBLESHOOTING……………………………………………………………………………………………………………… 87
SECTION 39 – FRAME
1. ARTICULATED JOINT…………………………………………………………………………………………………………………. 1
1.1 COMPONENTS ……………………………………………………………………………………………………………………. 1
1.2 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………………… 2
SECTION 41 – STEERING SYSTEM
1. OPERATION………………………………………………………………………………………………………………………………. 1
1.1 EMERGENCY STEERING …………………………………………………………………………………………………….. 3
1.2 PRESSURE ADJUSTMENT…………………………………………………………………………………………………… 4
2. POWER STEERING……………………………………………………………………………………………………………………. 5
2.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………………… 6
2.2 COMPONENTS ……………………………………………………………………………………………………………………. 7
2.3 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………………… 8
2.4 TROUBLESHOOTING…………………………………………………………………………………………………………. 24
2.5 SPECIAL TOOLS………………………………………………………………………………………………………………… 25
3. STEERING CYLINDER ……………………………………………………………………………………………………………… 26
3.1 REMOVAL AND INSTALLATION ………………………………………………………………………………………….. 27
3.2 DISASSEMBLY…………………………………………………………………………………………………………………… 29
4. TROUBLESHOOTING……………………………………………………………………………………………………………….. 34
SECTION 50 – HEATING AND AIR CONDITIONING SYSTEM
1. HEATING…………………………………………………………………………………………………………………………………… 1
2. AIR CONDITIONING …………………………………………………………………………………………………………………… 3
3. TROUBLESHOOTING……………………………………………………………………………………………………………….. 29
SECTION 55 – ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS……………………………………………………………………………………………………………. 1
2. FUSES AND RELAYS ……………………………………………………………………………………………………………….. 17

3. VOLTAGE AND CONTINUITY CHECK………………………………………………………………………………………… 20
4. BATTERY…………………………………………………………………………………………………………………………………. 21
4.1 REPLACEMENT …………………………………………………………………………………………………………………. 23
5. BULBS …………………………………………………………………………………………………………………………………….. 24
6. TROUBLESHOOTING ……………………………………………………………………………………………………………….. 28
SECTION 82 – WORKING EQUIPMENT
1. HYDRAULIC DIAGRAM……………………………………………………………………………………………………………….. 2
2. OPERATION………………………………………………………………………………………………………………………………. 3
3. REMOVAL AND INSTALLATION ………………………………………………………………………………………………….. 4
4. QUICK TOOL COUPLER……………………………………………………………………………………………………………… 6
4.1 COMPONENTS ……………………………………………………………………………………………………………………. 7
4.2 QUICK TOOL COUPLER CYLINDERS……………………………………………………………………………………. 8
5. BUCKET…………………………………………………………………………………………………………………………………….. 9
5.1 ASSEMBLY………………………………………………………………………………………………………………………….. 9
5.2 DISASSEMBLY…………………………………………………………………………………………………………………… 10
5.3 BUCKET TEETH – REPLACEMENT………………………………………………………………………………………. 11
6. FORKS…………………………………………………………………………………………………………………………………….. 13
6.1 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………………. 14
6.2 CHECKS ……………………………………………………………………………………………………………………………. 15
7. CYLINDERS……………………………………………………………………………………………………………………………… 17
7.1 BOOM CYLINDER………………………………………………………………………………………………………………. 17
7.2 DUMPING CYLINDER…………………………………………………………………………………………………………. 21
8. CONTROL VALVE…………………………………………………………………………………………………………………….. 25
9. LOAD HOLDING VALVE ……………………………………………………………………………………………………………. 28
9.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………………. 28
10. TROUBLESHOOTING……………………………………………………………………………………………………………… 29

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