Thomas 135 User Manual

9
Section 1 Hydraulic System
Hydraulic Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.1
Gear Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.2
Control Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.3
Hydraulic Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.4
Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5
Oil Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.6
Oil Reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.7
Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.8
Torque Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.9
Conversion Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.10
Section 2 Hydrostatic Drive System
Hydrostatic Circuit.............................................................................2.1
Specifications.....................................................................................2.2
General Information...........................................................................2.3
Trouble Shooting ...............................................................................2.4
Pressure Tests.....................................................................................2.5
Towing Procedure..............................................................................2.6
Flushing The Hydraulic System ........................................................2.7
Start - up Procedure ...........................................................................2.8
Gear Pump Replacement...................................................................2.9
Tandem Pump Replacement ..............................................................2.10
Tandem Pump Parts Diagram............................................................2.11
Drive Motor .......................................................................................2.12
Torque Specifications........................................................................2.13
Section 3 Final Drive
Specifications and Maintenance ........................................................3.1
Lubrication.........................................................................................3.2
Drive Chain........................................................................................3.3
Chain Tightener..................................................................................3.4
Drive Motor Sprocket........................................................................3.5
Axle Assembly...................................................................................3.6
Trouble Shooting ...............................................................................3.7
Section 4 Controls
Steering..............................................................................................4.1
Foot Pedals.........................................................................................4.2
Hand Controls....................................................................................4.3
Throttle...............................................................................................4.4
Restraint Bar......................................................................................4.5
Parking Brake ....................................................................................4.6
Trouble Shooting ...............................................................................4.7
TABLE OF CONTENTS

Thomas 135 Specifications

General

Brand	Thomas
Model	135
Category	Compact Loader
Language	English