Installation Instructions

81700·82100·82400 WSM,11772
SERVICING
TROUBLESHOOTING
7 STEERING
Symptom
Probable
Cause
Solution
Reference
Page
Excessive Steering
• Backlash between sector gear shaft and ball
Adjust
E7-S9
Wheel Play nut too large
•
Steering linkage worn Replace
-
..
Sector gear shaft worn Replace E7-SS
Tractor Pulls to
•
Tire pressure uneven Adjust
G-36
Right
or Left
•
Steering wheel play too small Adjust
E7-S9
•
Improper toe-i n adj ustment Adjust
6-S4
Front Wheels
•
Steering linkage worn
Replace
-
Vibration
•
Improper toe-in adjustment Adjust 6-S4
Hard Steering
•
Transmission fluid improper or insufficient Change
G-8
•
Oil leak from pipe joint
Retighten
-
•
Hydraulic pump malfunctioning Replace
E8-S6
•
Relief valve malfunctioning Replace E7-S7
•
Valve housing and sleeve malfunctioning Replace E7-S6
•
Seals in the steering gear box damaged Replace
-
•
Backlash between sector gear shaft and ball Adjust
E7-S9
nuttoosmall
•
Air in the hydraulic pipes Air vent
-
•
Low operating pressure Refer to next item
-
•
Flow priority valve malfunctioning Replace E8-S4
Low Operating
•
Hydraulic pump malfunctioning Replace
E8-S6
Pressure
•
Improper relief valve adjustment Adjust
E7-S4, S9
•
Relief valve malfunctioning
Replace
E7-S9
ED
Seals in the steering gear box damaged
Replace
-
•
Ball nut malfunctioning
Replace ball
nut
-
assembly
• Oil leak from pipe or pipe broken
Replace
-
Steering Wheel
•
Valve housing and sleeve jammed
Repair
or Replace
E7-S8, S 10
Does Not Return to
•
Valve housing oil seal damaged
Replace
-
Neutral Position
Steering Force
..
Insufficient oil
Replenish
G-8
Fluctuates
•
Insufficient bleeding
Bleed
-
..
Control valve malfunctioning
Replace
E7-S8
Noise
..
Insufficient oil
Replenish
G-8
•
Air sucked in pump from suction circuit
Repair
-
CD
Pipe deformed
Replace
-
E7-S1