7-14
Symptom Possible cause Action
the steering wheel
shimmies
• the shaft is not installed correctly inspect and adjust
• The hydraulic motor is not working
correctly
inspect and adjust
• The theets of the hydraulic motor or of
the crown are damaged
inspect and adjust
the wheels steer contrary to
the steering direction
• the lines to the hydraulic motor are con-
nected in reverse
inspect and correct the line
connections
abnormal
noise
• The pressure relief valve is defective
check and adjust the
pressure
• air aspirated from the lines
inspect and adjust or
replace
• lines blocked (crushed or clogged) unblock or replace
• The theets of the hydraulic motor or of
the crown are damaged
inspect and adjust
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