This manual includes information on how to operate, repair, service and maintain the machine on our own without wasting time in service Centre. It consists of step-by-step instructions with diagrams and illustrations.

Topics in the New Holland TL70, TL80, TL90, TL100 Tractor Repair Manual:

GENERAL INFORMATION

ENGINE
General specifications
Data
Tightening Torques
Tools
Cross–sectional views
Lubrication diagram
Cooling system diagram
Fault diagnosis
Engine R.I.
Engine. Compression Test
Engine D.A. Checks, dimensions and repairs
Valve guides — Replacement
1Injector sleeve — Replacement
Crankshaft front seal — Replacement
Valve tappet clearance — Adjustment
Engine injector R.I.
Bosch injection pump R.I. Timing. Air bleed
Coolant pump R.I.
Coolant pump D.A.
Thermostat valve R.I.
Radiator R.I.
Coolant pump and generator drive belts. Tension adjustment

CLUTCH

TRANSMISSION
Transmission and range gear (12 x 4)
24×12 Mechanical Shuttle Transmission with Dual Command (HI-LO)
24 x 24 Dual Command Power Shuttle
Reverser
Reverser and creeper unit
Overdrive Unit

FRONT AXLE MECHANICAL TRANSMISSION

REAR AXLE MECHANICAL TRANSMISSION

POWER TAKE-OFF
Mechanical PTO
Electro-hydraulic PTO

BRAKES

HYDRAULIC SYSTEM
Hydraulic System — General Description
Hydraulic System Configurations
Low Pressure, Steering and Lubrication System
High Pressure System Description and Operation
Oil Flow Priority
Hydraulic Power Lift (HPL) Control
Lift-O-Matic
Auxiliary Control Valves — General Description
Adding Rear Remote Valves
Single and Double Acting Cylinders
Remote Valves with Automatic Release
Remote Valves with Float Setting
Rear Remote Valve Control Levers
Regulating Oil Flow
Optional Joystick Control for Mid-Mount Remote Valves
Mid-Mount Remote Control Valves (Optional)
Auxiliary Control Valve Oil Flow
Double-Acting Valve with Automatic Detent Release and Float Position — Float Phase
Double-Acting Valve with Automatic Detent Release and Float Position — Lift Phase
Double-Acting Valve with Automatic Detent Release and Float Position — Lower Phase
Double-Acting Valve without Automatic Detent Release — Lift Phase
Double-Acting Valve without Automatic Detent Release — Lower Phase
Single-Acting Valve without Automatic Detent Release — Lift Phase
Single-Acting Valve without Automatic Detent Release — Lower Phase
Lift Oil Pump — Disassembly–Assembly
Testing
Adjustment of the Automatic Detent Release Pressure
Flow Control Valve
Supplementary Cylinder — Removal and Installation
Supplementary Cylinder D.A.
Data
Mechanically Operated Hydraulic Power Lift (HPL)
(KONTAK) Auxiliary Control Valves TL Standard
(REXROTH) Auxiliary Control Valves TL Deluxe
(BOSCH) Auxiliary Control Valves TL Deluxe
Low Pressure Hydraulic System
Low-Pressure Hydraulic System Overhaul and Adjustments
Trailer brake auxiliary control valves (ISO)
Electronic draft control (ISO)

STEERING SYSTEM

AXLE AND WHEELS

CAB HEATING, VENTILATION AND COOLING

ELECTRICAL SYSTEM
Instruments
Components
Starting System
Charging System
Battery
Electrical Circuits and Wiring Diagrams
Components Testing

BODYWORK AND DRIVING POSITION

AND MUCH MORE…

Covers: New Holland TL70, TL80, TL90, TL100 Tractor

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