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 TM 9-2320-364-34-1
1. TRUCK IS HARD TO STEER (CONT).
9.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting tasks
Pressure test.
on Page 2-761
completed.
Steering system hydraulics
REASON FOR QUESTION
free of air.
Does check valve operate
2.21:1 gear reducer OK.
If check valve or hydraulic
correctly, and main
Shaft bearing and intersteering
pump control fails, auxiliary
steering pump output 3000
shaft OK.
steering pump will control
150 psi (20,685 1034 kPa)
Rear steering gear OK.
steering and steering will be
maximum?
Front steering gear OK.
difficult below 25 mph (40 km/
Intermediate steering gear
hr).
OK.
Steering hydraulic pump OK.
Replace check valve
(Para 12-13) or adjust
POSSIBLE PROBLEMS
or replace hydraulic
NO
pump control (Para
Check valve faulty.
12-2 or 17-4).
Hydraulic pump control faulty.
Verify repair, go to
Front differential pressure
Step 13 of this Fault.
sensing valve faulty.
Priority flow valve faulty.
Rear differential pressure
YES
sensing valve faulty.
Sequence valve faulty.
2-760
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