Troubleshooting - Kubota M5640SU Workshop Manual

M5640SU, M5640DT-SU, WSM

1. TROUBLESHOOTING

Symptom
Front Wheels Wander
to Right or Left
Front Wheels Can
Not Be Driven
[4WD Model]
Noise [4WD Model]
Probable Cause
Tire pressure uneven
Improper toe-in adjustment (improper alignment)
Clearance between front axle case boss and
front axle bracket (front, rear) bushing excessive
Front axle rocking force too small
Front wheel sway excessive
Tie-rod end loose
Air sucked in power steering circuit
Knuckle shaft bushings worn [2WD model]
Propeller shaft broken
Front wheel drive gears in transmission broken
Front differential gear broken
Coupling displaced
Gear backlash excessive
Oil insufficient
Bearings damaged or broken
Gears damaged or broken
Spiral bevel pinion shaft turning force improper
Adjust
Adjust
Replace
Adjust
Replace
Tighten
Bleed
Replace
Replace
Replace
Replace
Reassemble
Adjust or replace
Replenish
Replace
Replace
Adjust
6-S1
FRONT AXLE
Reference
Solution
Page
G-58
6-S6
6-S22,
6-S23
6-S6
6-S6
6-S10,
6-S15
–
6-S15,
6-S23
6-S8
–
6-S13
6-S8
–
G-10
–
–
6-S17
9Y1210365FAS0001US0
KiSC issued 07, 2009 A