STEERING
M6060, M7060, WSM
6-S1
1. TROUBLESHOOTING
9Y1210828STS0001US0
Symptom Probable Cause Solution
Reference
Page
Tractor Cannot Be
Steered
Drive shaft in the power steering controller
improper assembled
Reassemble 6-S6, 6-S7
Pipe broken Replace –
Hard Steering Oil improper Change with specified
oil
G-13
Hydraulic pump malfunctioning Replace 7-S18
Relief valve malfunctioning Replace 6-S10
Controller (spool and sleeve) malfunctioning Repair or replace 6-S6, 6-S7
Oil leak due to seal damaged Replace 6-S12
Steering Force
Fluctuates
Controller malfunctioning Replace 6-S6, 6-S7
Air sucked in pump due to leaking or missing of
oil
Fill G-13
Air sucked in pump from suction circuit Repair –
Heavy Steering
Especially in the
Beginning of Steering
Controller malfunctioning Repair or replace 6-S6, 6-S7
Steering Wheel Turns
Spontaneously When
Released
Controller malfunctioning Repair or replace 6-S6, 6-S7
Front Wheels Wander
to Right and Left
Controller malfunctioning Repair or replace 6-S6, 6-S7
Air sucked in pump due to lack of oil Fill G-13
Air sucked in pump from suction circuit Repair –
Insufficient bleeding Bleed –
Cylinder malfunctioning Repair or replace 6-S8,
6-S13
Wheels Are Turned to
a Direction Opposite
to Steering Direction
Cylinder piping connected in reverse Repair –
Steering Wheel Turns
Idle in Manual
Steering
Insufficient bleeding Bleed –
Air sucked in pump due to lack of oil Fill G-13
Noise Air sucked in pump due to lack of oil Fill G-13
Air sucked in pump from suction circuit Repair –
Pipe deformed Replace –
Oil Temperature
Increases Rapidly
Relief valve malfunctioning Replace 6-S10
Front Wheels Vibrate Mechanical connections or wheel bearings worn Replace damaged
parts
–
To Next Page
Loading...
