6-10 Troubleshooting 022-00029AE Operation and Maintenance Manual
STEERING
Problem Possible Causes Remedies
Steering Wheel is hard to turn Sediment blocking direction
change spool orifice, inside
priority valve
Clean and repair
Sediment blocking amplifying
spool orifice, inside priority valve
Clean and repair
Sediment blocking load sensing
line orifice, inside priority valve
Clean and repair
Priority valve spool sticking,
inside steering valve
Clean and repair
Incorrect relief valve pressure
drop, inside priority valve
Adjust pressure
Steering pump failure Repair or replace
Leaking steering cylinder Repair cylinder
Rust on steering column bearing
and spline
Lubricate
Tire air pressure is low Inflate to proper pressure
High initial resistance to
movement of steering wheel
Air in load sensing line, inside
priority valve
Bleed system to remove air
Sediment blocking orifice of load
sensing line, inside priority valve
Clean and repair
Sediment in direction change
spool, inside priority valve
Clean and repair
Damage to control spring
damping inside priority valve
Replace priority valve
Steering wheel shakes Chattering bearing in axle end
differential
Replace bearing
Tire pressure not equal in left
side and right side tires
Equalize pressure
To Next Page
Loading...
