New Holland TN55/TN65/TN70/TN75 Repair Manual 87034092

About this manual

For the covered New Holland tractors, this Repair Manual brings the publication's system information into one reference. Check Manual details for the exact models. The contents include GENERAL.

Use the Manual Contents below to check that the exact maintenance, inspection, service, or repair procedure you need is included in this publication.

Manual details

Manufacturer

New Holland

Manual type

Repair Manual

Equipment type

Tractor

Models

TN55, TN65, TN70, and TN75

Document number

87034092

Language

English

Page count

886

Document quality

High — clear, readable text, illustrations and diagrams.

Product highlights

Electrical systems

The manual includes wiring diagrams and electrical troubleshooting.

Hydraulic systems

The manual includes hydraulic circuit diagrams and hydraulic valve-adjustment material.

Special tools

A special-tools section is included.

Applicability and key coverage

Named models: TN55, TN65, TN70, and TN75.

The publisher's Contents identifies Book 1 (87034093), Book 2 (87034094), Book 3 (87034095), Book 4 (87034096), and Book 5 (87034097).

Systems and topics in this manual

GENERAL

Shimming, rotating shaft seals, and O-ring seals.

ENGINE

Engine removal/installation, valve-guide replacement, and fuel-tank removal/installation.

CLUTCH

Clutch removal/installation and clutch adjustment.

TRANSMISSIONS

Mechanical Transmission (8 x 8), (16 + 16) Synchro-Command, and 8 x 8 Non-Synchronized Transmissions.

DRIVE LINES

Hydraulic diagrams, transmission shafts, and drive gear housing assembly.

FRONT AXLE MECHANICAL TRANSMISSION

Front epicyclic final drive, bevel-drive adjustments, and front axle differential overhaul.

REAR MECHANICAL TRANSMISSION

Differential-lock engagement sleeve adjustment, final-drive housing assembly, and drive-wheel shaft removal/installation.

MECHANICAL POWER TAKE-OFF

Troubleshooting and mechanical power take-off removal/installation.

BRAKING SYSTEM

Braking-system hydraulic pump, brake hydraulic system air bleeding, and handbrake travel adjustment.

HYDRAULIC SYSTEM

Rear mechanical hydraulic lift and trailer brake auxiliary control valve.

STEERING

Hydrostatic steering-wheel replacement and control-valve bench testing.

AXLES AND WHEELS

Front axle hub, stub-axle overhaul, and leading-wheel alignment.

ELECTRICAL SYSTEM

Analog instruments; controls; transmitters, sensors and switches.

PLATFORM, CAB, BODYWORK

Hood opening, protective grill, and ROPS removal/installation.

Manual contents

The source sections and independent chapters are listed below with their major indexed topics. Detailed procedures remain within those chapters in the PDF. References use physical PDF pages; unnumbered group headings follow the printed index.

• SECTION 00 - GENERAL — p. 17
• SECTION 10 - ENGINE — p. 23
  • Chapter 1 -- Engine — p. 23
    • General specifications — p. 24
    • Tools — p. 45
    • Engine, Removal--Installation — p. 55
    • Engine, Removal--Assembly — p. 58
    • Valve guides, Replacement — p. 95
    • Fuel tank, Removal--Installation — p. 104
    • Exhaust pipe, Removal--Installation — p. 114
    • Radiator, Removal--Installation — p. 119
• SECTION 18 - CLUTCH — p. 123
  • Chapter 1 -- Clutch — p. 123
    • Tools — p. 124
    • Clutch -- Removal--Installation — p. 128
    • Clutch adjustments — p. 141
• SECTION 21 - TRANSMISSIONS — p. 143
  • Chapter 1 - Mechanical Transmission (8 x 8), (16 + 16) Synchro-Command, and 8 x 8 Non-Synchronized Transmissions — p. 143
• SECTION 23 - DRIVE LINES — p. 455
  • Chapter 1 - Drive Lines — p. 455
• SECTION 25 - FRONT AXLE MECHANICAL TRANSMISSION — p. 469
  • Chapter 1 - Front Axle Mechanical Transmission — p. 469
• SECTION 27 - REAR MECHANICAL TRANSMISSION — p. 513
  • Chapter 1 - Rear Mechanical Wheel Drive — p. 513
• SECTION 31 - MECHANICAL POWER TAKE-OFF — p. 543
  • Chapter 1 - Mechanical Power Take-Off — p. 543
• SECTION 33 - BRAKING SYSTEM — p. 555
  • Chapter 1 - Braking System — p. 555
• SECTION 35 - HYDRAULIC SYSTEM — p. 573
  • Chapter 1 - Rear Mechanical Hydraulic Lift — p. 573
  • Chapter 3 -- Trailer Brake Auxiliary Control Valve — p. 625
    • Description and operation — p. 625
    • Troubleshooting — p. 632
• SECTION 41 - STEERING — p. 641
  • Chapter 1 - Steering — p. 641
• SECTION 44 - AXLES AND WHEELS — p. 679
  • Chapter 1 - Axles and Wheels — p. 679
• SECTION 55 - ELECTRICAL SYSTEM — p. 697
  • Chapter 1 -Instruments — p. 697
• SECTION 90 - PLATFORM, CAB, BODYWORK — p. 871

Delivery

This manual is supplied as a digital PDF file and is available for instant download after purchase. No physical media is shipped.

References

New Holland Repair Manual for Tractor, document code 87034092, PDF edition.