TRANSMISSION
M6040, M7040, WSM
3-S1
1. TROUBLESHOOTING
Symptom Probable Cause Solution
Reference
Page
Shuttle Clutch Slip Operating pressure is low Adjust 3-S12,
3-S13
Shuttle clutch valve malfunctioning Replace 3-S16
Clutch disc or steel plate excessively worn Replace 3-S31,
3-S54
Deformation of piston or steel plate Replace –
Shuttle Clutch
Operating Pressure Is
Low
Transmission oil improper or insufficient Replenish or change G-10
Relief valve malfunctioning Adjust or replace 3-S13
Shuttle Clutch Drags Return spring weak or broken Replace –
Modulating valve malfunctioning Replace 3-S16
Deformation of piston or steel plate Replace –
Tractor Does Not
Keep in Neutral
Shuttle linkage defective or deformed Adjust or replace 3-S6
Excessive
Transmission Noise
Transmission fluid insufficient Replenish G-10
Improper backlash between bevel pinion shaft
and bevel gear
Adjust 3-S57,
3-S59
Improper backlash between differential pinion
and side gear
Adjust 3-S62
Collars or shims have not been installed Repair –
Bearing worn Replace 3-S52
Gears Slip Out of
Mesh
Shifter or shift fork worn or damaged Replace –
Shift fork spring weaken or damaged Replace –
Interlock ball fallen Reassemble –
Synchronizer unit damaged Repair or replace 3-S52
Hard Shifting Shifter or shift fork worn or damaged Replace 3-S52
Shift fork rod bent Replace –
Synchronizer unit damaged Repair or replace 3-S52
Gears Clash When
Shifting
Synchronizer unit damaged Repair or replace 3-S52
Clutch does not release Replace –
Differential Lock Can
Not Be Set
Differential lock shift fork damage Replace 3-S45
Differential lock shift fork mounting spring pin
damaged
Replace 3-S45
Movement of differential lock shifter improperly
adjusted
Adjust 3-S45
Differential Lock
Pedal Does Not
Return
Differential lock cam spring weaken or damaged Replace 3-S45
Differential shifter pin damaged Repair or replace 3-S45