Kubota MX5100, Workshop Manual

Page: 337 / 454

7-S1
MX5100, WSM STEERING
1. TROUBLESHOOTING
W10143220
Symptom Probable Cause Solution
Reference
Page
Tractor Can Not Be
Steered Steering controller broken Replace 7-S14
Pipe or hose broken Replace 7-S13, S15
Front Wheels Vibrate Power steering controller centering spring
weaken or broken Replace controller 7-S14
Improper toe-in adjustment Adjust 6-S6
Air in the hydraulic system Bleed 7-S11
Improper wheels mounted Replace G-61
Wheels tightening not enough Retighten G-22
Tie-rod end loose worn Retighten or replace 7-S15
Front wheel hub bearing worn Replace 6-S11
Clearance between front axle center pivot and
bracket bushing excessive Replace 6-S16
Hard Steering Hydraulic pump malfunctioning Replace 7-S8
Overload – –
Transmission fluid improper or insufficient Change G-31
Oil leak from pipe or hose joint Retighten 7-S13, S15
Insufficient tire pressure Inflate G-61
Steering controller malfunctioning Replace controller 7-S14
Wheels tightening not enough Retighten G-22
Relief valve malfunctioning Replace controller 7-S14
Steering Force
Fluctuates Air sucked in pump due to leaking or missing of
oil Replenish –
Air sucked in pump from suction circuit Repair –
Front Wheels
Wander to Right or
Left Centering spring weaken or broken Replace controller 7-S14
Air sucked in pump due to leak of oil Replenish –
Air sucked in pump from suction circuit Repair –
Tire pressure uneven Inflate G-61
Insufficient bleeding Bleed 7-S11
Improper toe-in adjustment Adjust G-29
Clearance between front axle center pivot and
brackets bushings excessive Replace 6-S16
Tie-rod end loose or worn Retighten or replace 7-S15