Service Manual

vi Rev. 000 Dingo TX420, TX425 Series Service Manual
TABLE OF CONTENTS
ELECTRICAL cont.
Diodes, Kohler Engine ................................................................................................................6-17
Purpose ................................................................................................................................6-17
Location ...............................................................................................................................6-17
How It Works ........................................................................................................................6-17
Testing ..................................................................................................................................6-18
Electrical Schematic TX420 Ser #200000100 - 200000999 .......................................................6-19
Electrical Schematic TX420 Ser #210000100 - 210000500 .......................................................6-20
Electrical Schematic TX420 Ser #210000501 - 220000400 .......................................................6-21
Electrical Schematic TX420 Ser #220000401 - 270000999 .......................................................6-22
Electrical Schematic TX420 Ser #280000100 - 280000999 .......................................................6-23
Electrical Schematic TX425 Ser #220000100 - 270000999 .......................................................6-24
Electrical Schematic TX425 Ser #280000100 - 280000999 .......................................................6-25
HYDRAULICS (A)
TX420 & 425 - All models, all years........................................................................................... 7A-1
Auxiliary Valve Rebuild........................................................................................................ 7A-1
Auxiliary Valve .............................................................................................................. 7A-1
Auxiliary Valve Disassembly ......................................................................................... 7A-1
Relief Assembly .................................................................................................................. 7A-8
Spool Assembly .................................................................................................................. 7A-8
Auxiliary Valve Assembly .................................................................................................... 7A-8
Hydraulic Schematic TX420 200000100 - 210000500 ............................................................ 7A-16
Hydraulic Schematic TX420 210000501 - 240000300 / TX425 220000100 - 240000300 ...... 7A-17
Hydraulic Schematic TX420 240000301 - 280000999 / TX425 240000301 - 280000999 ...... 7A-18
HYDRAULICS (B)
TX420 & 425 240000299 & lower.............................................................................................. 7B-1
Hydraulic Tandem Pump Removal ...................................................................................... 7B-1
Rubber Coupler Assembly Removal ................................................................................... 7B-5
Rubber Coupler Assembly Installation ...............................................................................7B-11
Hydraulic Tandem Pump Installation ................................................................................. 7B-14
TX420 & 425 240000299 & lower............................................................................................ 7B-19
Hydraulic Tandem Pump Rebuild ...................................................................................... 7B-19
11 gpm Pump Assembly Rebuild ................................................................................ 7B-24
5 gpm Pump Assembly Rebuild .................................................................................. 7B-29
TX420 & 425 250000399 & lower............................................................................................ 7B-33
Tilt Cylinder Replacement ................................................................................................. 7B-33
TX420 & 425 230000599 & lower............................................................................................ 7B-37
Tilt Cylinder Assembly Rebuild .......................................................................................... 7B-37
Tilt Cylinder Disassembly ........................................................................................... 7B-39
Tilt Cylinder Assembly ................................................................................................ 7B-44
TX420 & 425 230000999 & lower............................................................................................ 7B-46
Lift Cylinder Replacement ................................................................................................. 7B-46
TX420 & 425 230000999 & lower............................................................................................ 7B-52
Lift Cylinder Rebuild .......................................................................................................... 7B-52
Lift Cylinder Disassembly ........................................................................................... 7B-54
Lift Cylinder Assembly ................................................................................................ 7B-59
TX420 & 425 240000299 & lower............................................................................................ 7B-61
Auxiliary Valve Removal.................................................................................................... 7B-61
Auxiliary Valve Installation................................................................................................. 7B-64