Troubleshooting - Kubota B1220 Workshop Manual

B1220, B1620, B1820, WSM

1. TROUBLESHOOTING

Symptom
Front Wheels Wander
to Right or Left
Front Wheels Cam
Not Be Driven
Noise
Probable Cause
Tire pressure uneven
Clearance between front axle case boss and
front axle bracket bushing (front, rear) excessive
Tie-rod end loose
Air sucked in power steering circuit
Front wheel driving gears in front axle gear case
broken
Universal joint 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
Adjust
Replace
Tighten
Bleed
Replace
Replace
Replace
Replace
Reassembling
Adjust or replace
Replenish
Replace
Replace
6-S1
FRONT AXLE
Reference
Solution
Page
G-49
–
–
–
6-S7
3-S9,
3-S15
3-S18
6-S9
–
6-S11
6-S4
–
–
9Y1210272FAS0001US0
KiSC issued 07, 2011 A
(EU)