NEW HOLLAND W50TC-W60TC-W70TC-W80TC REPAIR MANUAL

What does this catalog contain?

W50TC-W60TC-W70TC-W80TC REPAIR 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.

W50TC-W60TC-W70TC-W80TC 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.

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 W50TC-W60TC-W70TC-W80TC REPAIR MANUAL

SECTION 00 – INTRODUCTION
1. SAFETY INSTRUCTIONS……………………………………………………………………………………………………………. 1
2. TECHNICAL SPECIFICATIONS………………………………………………………………………………………………….. 11
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……………………………………………………………………………………………………. 4
4. OIL CHANGE AND GREASING ……………………………………………………………………………………………………. 7
5. DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………………………. 8
5.1 BRAKE DISC ASSY………………………………………………………………………………………………………………. 8
5.2 BRAKE CALIPER ……………………………………………………………………………………………………………….. 15
5.3 EPICYCLIC REDUCTION GEAR ASSY (W50TC) …………………………………………………………………… 23
5.4 EPICYCLIC REDUCTION GEAR ASSY (W60TC, W70TC, W80TC)………………………………………….. 27
5.5 WHEEL HUB ASSY (W50TC) ………………………………………………………………………………………………. 31
5.6 WHEEL HUB ASSY (W60TC, W70TC, W80TC) ……………………………………………………………………… 40
5.7 WHEEL SHAFT ASSY (W60TC, W70TC, W80TC)………………………………………………………………….. 46
5.8 BRAKE AND WHEEL SHAFT ASSY (W60TC, W70TC, W80TC HIGH SPEED)………………………….. 50
5.9 DIFFERENTIAL SUPPORT ASSY ………………………………………………………………………………………… 58
5.10 DIFFERENTIAL ASSY……………………………………………………………………………………………………….. 66
5.11 PINION ASSY…………………………………………………………………………………………………………………… 73
6. TROUBLESHOOTING……………………………………………………………………………………………………………….. 80
7. SPECIAL TOOLS………………………………………………………………………………………………………………………. 83
SECTION 27 – REAR AXLES
1. REMOVAL AND INSTALLATION ………………………………………………………………………………………………….. 1
2. DIMENSIONS …………………………………………………………………………………………………………………………….. 3
3. TECHNICAL SPECIFICATIONS……………………………………………………………………………………………………. 7
4. OIL CHANGE AND GREASING ………………………………………………………………………………………………….. 13
5. DISASSEMBLY AND ASSEMBLY……………………………………………………………………………………………….. 14
5.1 HYDRAULIC MOTOR ASSY TB150………………………………………………………………………………………. 14
5.2 HYDRAULIC MOTOR ASSY TB138.5 HIGH SPEED ………………………………………………………………. 17
5.3 TRANSMISSION BOX ASSY TB150……………………………………………………………………………………… 21
5.4 TRANSMISSION BOX ASSY TB138.5 HIGH SPEED………………………………………………………………. 30
5.5 EPICYCLIC REDUCTION GEAR ASSY (W50TC) …………………………………………………………………… 51
5.6 EPICYCLIC REDUCTION GEAR ASSY (W60TC, W70TC, W80TC)………………………………………….. 55
5.7 WHEEL HUB ASSY (W50TC) ………………………………………………………………………………………………. 59
5.8 WHEEL HUB ASSY (W60TC, W70TC, W80TC) ……………………………………………………………………… 68

5.10 DIFFERENTIAL SUPPORT ASSY……………………………………………………………………………………….. 78
5.11 DIFFERENTIAL ASSY……………………………………………………………………………………………………….. 87
5.12 LIMITED SLIP DIFFERENTIAL ASSY………………………………………………………………………………….. 94
5.13 PINION ASSY …………………………………………………………………………………………………………………. 101
6. TROUBLESHOOTING ……………………………………………………………………………………………………………… 108
7. SPECIAL TOOLS…………………………………………………………………………………………………………………….. 112
SECTION 33 – BRAKES SYSTEM
1. BRAKES SYSTEM DIAGRAM………………………………………………………………………………………………………. 1
2. OPERATION………………………………………………………………………………………………………………………………. 2
2.1 SERVICE BRAKE …………………………………………………………………………………………………………………. 4
2.2 PARKING BRAKE…………………………………………………………………………………………………………………. 6
3. BRAKE PEDAL VALVE………………………………………………………………………………………………………………… 7
3.1 ADJUSTMENTS………………………………………………………………………………………………………………….. 10
3.2 TROUBLESHOOTING…………………………………………………………………………………………………………. 13
4. ACCUMULATORS…………………………………………………………………………………………………………………….. 14
4.1 BRAKE ACCUMULATOR …………………………………………………………………………………………………….. 14
4.2 PUMP ACCUMULATOR………………………………………………………………………………………………………. 15
4.3 MAINTENANCE………………………………………………………………………………………………………………….. 16
5. TROUBLESHOOTING ……………………………………………………………………………………………………………….. 18
SECTION 35 – HYDRAULIC SYSTEM
1. HYDRAULIC DIAGRAMS …………………………………………………………………………………………………………….. 1
1.1 W50TC HYDRAULIC DIAGRAM …………………………………………………………………………………………….. 1
1.2 W50TC HYDRAULIC DIAGRAM WITH OPTIONAL OUTFITS…………………………………………………….. 3
1.3 W60TC HYDRAULIC DIAGRAM …………………………………………………………………………………………….. 5
1.4 W60TC HYDRAULIC DIAGRAM WITH OPTIONAL OUTFITS…………………………………………………….. 7
1.5 W70TC BASIC MODEL HYDRAULIC DIAGRAM………………………………………………………………………. 9
1.6 W70TC HYDRAULIC DIAGRAM WITH OPTIONAL OUTFITS…………………………………………………… 11
1.7 W80TC HYDRAULIC DIAGRAM …………………………………………………………………………………………… 13
1.8 W80TC HYDRAULIC DIAGRAM WITH OPTIONAL OUTFITS…………………………………………………… 15
2. TRANSMISSION HYDRAULIC SYSTEM ……………………………………………………………………………………… 17
3. PISTON PUMP AT VARIABLE DISPLACEMENT ………………………………………………………………………….. 24
4. GEAR PUMP…………………………………………………………………………………………………………………………….. 60
5. PRIORITY VALVE……………………………………………………………………………………………………………………… 65
6. HYDRAULIC MOTOR………………………………………………………………………………………………………………… 66
7. ONE-WAY DISTRIBUTOR VALVE………………………………………………………………………………………………. 85
8. HYDRAULIC OIL TANK……………………………………………………………………………………………………………… 86
9. TROUBLESHOOTING ……………………………………………………………………………………………………………….. 88
SECTION 39 – FRAME
1. ARTICULATED JOINT…………………………………………………………………………………………………………………. 1

SECTION 41 – STEERING SYSTEM
1. STEERING SYSTEM DIAGRAM…………………………………………………………………………………………………… 1
2. OPERATION………………………………………………………………………………………………………………………………. 2
3. ADJUSTMENTS …………………………………………………………………………………………………………………………. 3
4. POWER STEERING……………………………………………………………………………………………………………………. 4
4.1 TECHNICAL SPECIFICATIONS……………………………………………………………………………………………… 5
4.2 HYDRAULIC DIAGRAM ………………………………………………………………………………………………………… 5
4.3 COMPONENTS ……………………………………………………………………………………………………………………. 6
4.4 DISASSEMBLY AND ASSEMBLY…………………………………………………………………………………………… 7
4.5 TROUBLESHOOTING…………………………………………………………………………………………………………. 24
4.6 SPECIAL TOOLS………………………………………………………………………………………………………………… 25
5. STEERING CYLINDER ……………………………………………………………………………………………………………… 26
5.1 REMOVAL AND INSTALLATION ………………………………………………………………………………………….. 27
5.2 DISASSEMBLY…………………………………………………………………………………………………………………… 29
6. TROUBLESHOOTING……………………………………………………………………………………………………………….. 34
SECTION 50 – HEATING AND AIR CONDITIONING SYSTEM
1. HEATING…………………………………………………………………………………………………………………………………… 1
2. AIR CONDITIONING …………………………………………………………………………………………………………………… 3
3. TROUBLESHOOTING……………………………………………………………………………………………………………….. 30
SECTION 55 – ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS……………………………………………………………………………………………………………. 1
2. FUSES AND RELAYS ……………………………………………………………………………………………………………….. 16
3. VOLTAGE AND CONTINUITY CHECK………………………………………………………………………………………… 18
4. BATTERY ………………………………………………………………………………………………………………………………… 19
5. BULBS …………………………………………………………………………………………………………………………………….. 22
6. TROUBLESHOOTING……………………………………………………………………………………………………………….. 26
SECTION 82 – WORKING EQUIPMENT
1. HYDRAULIC DIAGRAM ………………………………………………………………………………………………………………. 2
2. OPERATION………………………………………………………………………………………………………………………………. 3
3. REMOVAL AND INSTALLATION ………………………………………………………………………………………………….. 4
4. QUICK TOOL COUPLER …………………………………………………………………………………………………………….. 6
5. BUCKET ………………………………………………………………………………………………………………………………….. 10
6. LIFTING FORKS……………………………………………………………………………………………………………………….. 14
7. CYLINDERS …………………………………………………………………………………………………………………………….. 18
8. CONTROL VALVE…………………………………………………………………………………………………………………….. 26
9. LOAD HOLDING VALVE ……………………………………………………………………………………………………………. 29
10. TROUBLESHOOTING……………………………………………………………………………………………………………… 30

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