Service Manual

viii Rev. 000 Dingo TX420, TX425 Series Service Manual
TABLE OF CONTENTS
HYDRAULICS (C) cont.
TX420 & 425 240000301 & up ................................................................................................ 7C-80
Loader Valve Disassembly & Assembly ............................................................................ 7C-80
Joystick Assembly Removal .............................................................................................. 7C-81
Joystick Assembly Installation ........................................................................................... 7C-83
Spool Removal .................................................................................................................. 7C-86
Spool Assembly ................................................................................................................ 7C-91
Main Relief Valve .............................................................................................................. 7C-98
Work Port Relief .............................................................................................................. 7C-100
DRIVE SYSTEM
TX420 & 425 All Serial Numbers ..................................................................................................8-1
Drive Belt Removal ................................................................................................................8-1
Drive Belt Installation .............................................................................................................8-2
TX420 & 425 All Serial Numbers ..................................................................................................8-2
Lifting Unit for Service ............................................................................................................8-2
TX420 All Serial Numbers ............................................................................................................8-4
Track Removal .......................................................................................................................8-4
TX420 All Serial Numbers ............................................................................................................8-6
Tensioner Wheel Bearing Replacement .................................................................................8-6
Bearing Installation ................................................................................................................8-7
TX420 All Serial Numbers ............................................................................................................8-9
Track Guide Removal ............................................................................................................8-9
TX420 All Serial Numbers ..........................................................................................................8-10
Track Guide Installation .......................................................................................................8-10
TX420 All Serial Numbers ..........................................................................................................8-12
Track Installation ..................................................................................................................8-12
TX425 .........................................................................................................................................8-13
Track Removal .....................................................................................................................8-13
TX425 220000401 & higher........................................................................................................8-15
Track Guide Removal ..........................................................................................................8-15
TX425 220000401 & higher........................................................................................................8-16
Track Guide Installation .......................................................................................................8-16
TX425 .........................................................................................................................................8-19
Track Installation ..................................................................................................................8-19
TX420 240000100 & higher........................................................................................................8-21
TX425 240000300 & higher........................................................................................................8-21
Wheel Motor Removal .........................................................................................................8-21
Wheel Motor Installation ......................................................................................................8-25
TX425 220000001 - 220999999 .................................................................................................8-29
Track Removal .....................................................................................................................8-29
TX425 220000001 - 220999999 .................................................................................................8-31
Track Guide Removal ..........................................................................................................8-31
TX425 220000001 - 220999999 .................................................................................................8-32
Track Guide Installation .......................................................................................................8-32
TX425 220000001 - 220999999 .................................................................................................8-33
Tensioner Arm Bearing Replacement ..................................................................................8-33
TX425 220000001 - 220999999 .................................................................................................8-36
Tensioner Arm Bearing Installation ......................................................................................8-36