Thomas T85 Loader Repair Manual
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LANGUAGE:ENGLISH
PAGES:216
DOWNLOADABLE:YES
FILE TYPE:PDF
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DESCRIPTION:
Thomas T85 Loader Repair Manual
FOREWORD:
It is important when ordering replacement parts or making a service inquiry to provide both the model number and serial number of your Thomas loader. The serial number plate is located at the rear of the machine on the left hand side hydraulic oil tank. In the event that the serial number plate is missing, the serial number is stamped on under the engine.
SAFETY PRECAUTIONS:
Practically all Service work involves the need to drive the loader. The Owners / Operators Manual, supplied with each loader, contains safety precautions relating to driving, operating and servicing that loader. These precautions are as applicable to the service technician as they are to the operator and should be read, understood and practiced by all personnel. Prior to undertaking any maintenance or repair operations, make the necessary safety precautions to prevent possible personal injury to yourself, or to bystanders.
PERSONAL CONSIDERATIONS
* CLOTHING
The wrong clothing or carelessness in dress can cause accidents. Check to see that you are suitably clothed. Some jobs require special protective equipment.
* SKIN PROTECTION
Avoid long term contact with used motor oil. Follow work practices that minimize the amount of skin exposed and length of time used oil stays on your skin.
* EYE PROTECTION
Injury can be avoided by wearing eye protection when engaged in chiseling, grinding, welding, painting and any other task that involves airborne matter.
* BREATHING PROTECTION
Fumes, dust and paint spray are unpleasant and harmful. These can be avoided by wearing respiratory protection.
* HEARING PROTECTION
Loud noise may damage your hearing and the longer the exposure the greater the risk of hearing damage. Always wear hearing protection when working around loud machinery.
* HAND PROTECTION
It is advisable to use a protective cream before work to prevent irritation and skin contamination. After work, clean your hands with soap and water. Solvents such as white spirits, paraffin, etc. may harm the skin.
TABLE OF CONTENTS:
Thomas T85 Loader Repair Manual
Section 1 Hydraulic System
Hydraulic Circuit 11
Gear Pump 12
Control Valve 13
Hydraulic Cylinders 14
Hydraulic Oil Filter 15
Hydraulic Oil Reservoir 16
Trouble Shooting 17
Torque Chart 18
Conversion Chart 19
Section 2 Hydrostatic Drive System
Hydrostatic Drive Circuit 21
Specifications22
General Information23
Trouble Shooting 24
Pressure Tests25
Towing Procedure 26
Flushing The Hydraulic System 27
Start – up Procedure 28
Gear Pump Replacement 29
Tandem Pump Replacement 210
Tandem Pump Parts Diagram 211
Drive Motor 212
Torque Specs213
Section 3 Final Drive
Specifications and Maintenance 31
Lubrication32
Drive Chain33
Drive Motor Sprocket 34
Axle Assembly35
Parking Brake 36
Trouble Shooting 37
Section 4 Controls
Steering 41
Foot Pedals42
Hand Controls 43
Throttle44
Restraint Bar 45
Parking Brake 46
Trouble Shooting 47
TABLE OF CONTENTS
10
Section 5 Electrical
General Information 51
Wiring Schematics 52
Instrumentation 53
Ignition Switch 54
Engine Glow Plugs 55
Battery 56
Electrical Panel 57
Starter Circuit 58
Charging Circuit59
Safety Circuit 510
Auxiliary Circuit511
Accessory Circuit 512
Trouble Shooting 513
Section 6 Main Frame
Quick – Tach61
Boom Arms62
Boom Support63
ROPS 64
Rear Door65
Section 7 Engine
Maintenance71
Cylinder Head 72
Replacement73
Specifications74
Trouble Shooting 75
Section 8 Maintenance & Specifications
Maintenance81
Trouble Shooting 82
Special Tools83
Specifications84
Conversion Charts85
TABLE OF CONTENTS
1-1
SECTION 1 HYDRAULIC SYSTEM
Hydraulic Circuit 11
Layout pg1-2
Schematic pg 1-3
Specificationspg 1-4
Maintenance Schedule pg 1-4
General Information pg 1-5
Gear Pump 12
Replacing the Gear Pumppg 1-6
Gear Pump Disassembly pg 1-7 ~ 8
Start Up Procedure pg 1-9
Control Valve 13
Testing / Adjusting the Relief Valve pg 1-10 ~ 11
Control Valve Replacement pg 1-11 ~ 12
Exploded Illustration Diagram pg 1-13 ~ 14
Control Valve Disassembly / Repair pg 1-15 ~ 24
Exploded Illustration Diagram pg 1- 25 ~ 28
Control Valve Disassembly/Repair pg 1-29 ~ 32
Hydraulic Cylinders 14
General Information pg 1-33
Testing Piston Seals pg 1-34
Lift Cylinder Replacement pg 1-35
Tilt Cylinder Replacement pg 1-36
Cylinder Disassembly pg 1-37 ~ 38
Cylinder Inspection pg 1-39
Cylinder Assembly pg 1-39 ~ 40
Hydraulic Oil Filter 15
General Information pg 1-41
Filter Replacementpg 1-41
Hydraulic Oil Reservoir 16
General Information pg 1-42
Checking the Oil Level pg 1-42
Adding Oil pg 1-42
Servicing the Reservoir pg 1-43
Trouble Shooting 17
Trouble Shooting Chart pg 1-44 ~ 45
Torque Chart 18
Torque Chartpg 1-45
Conversion Charts 19
Conversion Chartspg 1-46
PLEASE NOTE:
- This is the same manual used by the DEALERSHIPS to SERVICE your vehicle.
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