Installation Instructions

81700·82100·82400 WSM,11770
TROUBLESHOOTING
7 STEERING
Symptom
Probable
Cause Solution
Reference
Page
Excessive Steering
• Backlash between sector gear shaft and ball
Adjust
7-S13
Wheel Play
nut too large
•
Steering linkage worn Replace
-
•
Sector gear shaft worn Replace
7-S9
Tractor Pulls to
•
Tire pressure uneven
Adjust
G-36
Right
or Left
•
Steering wheel play too small Adjust
7-S13
..
Improper toe-in adjustment Adjust
6-S3
Front Wheels
•
Steering linkage worn
Replace
-
Vibration
•
Improper toe-in adjustment Adjust
6-S3
Hard Steering
•
Transmission fluid improper or insufficient Change
G-8
•
Oil leak from pipe joint Retighten
-
•
Hydraulic pump malfunctioning Replace
8-S6
..
Relief valve malfunctioning
Replace
7-S8
..
Seals in the steering gear box damaged
Replace
-
..
Backlash between sector gear shaft and ball Adjust
7-S13
nut too small
..
Air in the hydraulic pipes Airvent
-
•
Low operating pressure Refer to next item
-
Low Operating
..
Hydraulic pump malfunctioning Replace
8-S6
Pressure
..
Improper relief valve adjustment Adjust
7-S4, S8
..
Control valve malfunctioning
Replace
7-S8
•
Seals in the steering gear box damaged Replace
-
..
Ball nut malfunctioning Replace ball nut 7-S 11
assembly
.. Oil leak from pipe or pipe broken Replace
-
Steering Wheel
• Control valve malfunctioning
Replace
7-S8
Does Not Return to
Neutral Position
• Valve Spool and valve housing jammed
Repair
or Replace
7-S8
• Valve housing oil seal damaged
Replace
-
lID Centering spring weaken or broken
Replace
7-S8
Steering Force
•
Insufficient oil
Replenish
G-8
Fluctuates
•
Insufficient bleeding
Bleed
-
•
Control valve malfunctioning
Replace
7-S8
Noise
•
Insufficient oil
Replenish
G-8
..
Air sucked in pump from suction circuit
Repair
-
..
Pi pe deformed
Replace
-
7-S1