Troubleshooting - Kubota M108S Workshop Manual

M108S, WSM

1. TROUBLESHOOTING

Symptom
Excessive
Transmission Noise
Gear Slip Out of
Mesh
Hard Shifting
Swing Shift
Malfunctioning
Dual Speed Clutch
Slips
Probable Cause
Transmission fluid insufficient
Improper backlash between bevel pinion shaft
and spiral bevel gear
Improper backlash between differential pinion
and side gear
Collars or shims have not been installed
Bearing worn or damaged
Shifter or shift fork worn or damaged
Shift fork spring weaken or damaged
Interlock ball fallen
Synchronizer unit damaged
Shifter or shift fork worn or damaged
Shift fork bent
Synchronizer unit damaged
Shuttle clutch lever linkage, cable improperly
adjusted
Main gear shift lever linkage improperly adjusted
Range gear shift linkage improperly adjusted
Fuse blown
Wiring harness disconnected or improperly
connected (between swing shift switch, Hi-Lo
solenoid valve)
Hi-Lo solenoid valve defected
Swing shift switch defected
Swing shift switch linkage, cable improper
adjusted
Hi-Lo monitor switch defected
System pressure too low (Regulator valve)
Clutch disc excessively worn
Clutch disc or drive plate warped
Seal-ring or D-ring broken
System pressure too low
Hydraulic pump malfunctioning
Pipes or joints loose
Replenish
Repair
Adjust
Repair
Replace
Replace
Replace
Reassemble
Repair or replace
Replace
Replace
Repair or replace
Adjust
Adjust
Adjust
Replace
Repair
Replace
Replace
Adjust
Replace
Adjust
Replace
Replace
Replace
Replace
Replace
Tighten or replace
3-S1
TRANSMISSION
Reference
Solution
Page
G-7
3-S45
3-S48
–
3-S38
3-S38
–
–
3-S38
3-S38
–
3-S38
3-S6
3-S9
3-S10
G-40
–
9-S32
9-S31
3-S9
9-S30
3-S13
3-S41
3-S41
3-S29
3-S13
7-S6
–
W1014322
KiSC issued 06, 2007 A