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 TM 9-2320-364-34-1
1. TRUCK IS HARD TO STEER (CONT).
12.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting tasks
Pressure test.
on Page 2-767
completed.
Steering system hydraulics
REASON FOR QUESTION
free of air.
Is sequence valve adjusted
2.21:1 gear reducer OK.
If sequence valve is misadjusted
Shaft bearing and intersteering
correctly?
or failed to close, steering will be
shaft OK.
difficult.
Rear steering gear OK.
Front steering gear OK.
Intermediate steering gear
OK.
Steering hydraulic pump OK.
Check valve OK.
Hydraulic pump control OK.
Adjust or replace
Front differential pressure
sequence valve
sensing valve OK.
NO
(Para 12-2 or 12-13).
Priority flow valve OK.
Verify repair, go to
Rear differential pressure
Step 13 of this Fault.
sensing valve OK.
POSSIBLE PROBLEMS
Sequence valve faulty.
YES
13.
KNOWN INFO
TEST OPTIONS
Unit Troubleshooting tasks
Is truck still hard to steer?
Verify repair.
completed.
Steering system hydraulics
REASON FOR QUESTION
free of air.
2.21:1 gear reducer OK.
If truck is no longer hard to steer,
Shaft bearing and intersteering
fault has been corrected.
shaft OK.
Rear steering gear OK.
Front steering gear OK.
Intermediate steering gear
OK.
Steering hydraulic pump OK.
Check valve OK.
Hydraulic pump control OK.
Front differential pressure
sensing valve OK.
Fault corrected.
NO
Priority flow valve OK.
Rear differential pressure
sensing valve OK.
Sequence valve OK.
POSSIBLE PROBLEMS
YES
Fault not corrected.
Notify supervisor.
2-766
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