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 TM 9-2320-364-34-1
1. TRUCK IS HARD TO STEER (CONT).
8.
KNOWN INFO
TEST OPTIONS
Unit Troubleshooting tasks
Does steering hydraulic
Audible Inspection.
completed.
pump make excessive noise
Steering system hydraulics
when operating?
REASON FOR QUESTION
free of air.
2.21:1 gear reducer OK.
If steering hydraulic pump
Shaft bearing and intersteering
makes excessive noise during
shaft OK.
operation, internal components
Rear steering gear OK.
are faulty and pump will not
Front steering gear OK.
supply fluid for correct hydraulic
Intermediate steering gear OK.
system operation.
POSSIBLE PROBLEMS
Steering hydraulic pump
Go to Step 9 of
faulty.
NO
this Fault.
Check valve faulty.
Hydraulic pump control faulty.
Front differential pressure
sensing valve faulty.
Priority flow valve faulty.
Rear differential pressure
YES
sensing valve faulty.
Sequence valve faulty.
Replace steering
hydraulic pump
(Para 17-2).
Verify repair, go to
Step 10 of this Fault.
2-758
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