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Steering Loss, Steering Wander or Free Play
Loose
Restriction
Replace restricted
line or fitting
Defective
OK
OK
OK
OK
Binding
Check for dam-
aged steering
wheel or shaft
Repair and
lubricate castor fork
and bushings
Check steering cyl-
inder for
internal leakage
Replace ball
joint(s)
Repair or replace
steering cylinder
Check for
restriction in hy-
draulic hose or fit-
ting
Replace steering
wheel or shaft
Disconnect cylin-
der and check cas-
tor fork movement
Leakage
OK
Check steering cyl-
inder
ball joints
Check for
restriction in pump
intake line
Worn or damaged
steering control
unit. *Thermal
shock
Defective
Repair or replace
steering
control unit
OK
Defective OK
OK
Repair or replace
pump
Check steering
pump flow. Test
hook up No. 5
Test A
Tighten castle nuts
and jam nut
* Thermal shock - A condition caused when the hydraulic system is operated for some time without turning
the steering wheel so that fluid in the reservoir and system is hot and the steering control unit is relatively
cool (more than 50
o
F temperature differential). This can also happen when washing the machine. When the
steering wheel is turned quickly the result is temporary seizure and possible damage to internal parts of the
steering control unit. The temporary seizure may be followed by total free wheeling.
Troubleshooting Page 4 - 26 Greensmaster
®
3100