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Page Title:
HYDRAULIC SYSTEM OPERATION UNUSUALLY NOISY. (Cont) |
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 TM 9-2320-364-34-1
7. HYDRAULIC SYSTEM OPERATION UNUSUALLY NOISY (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting tasks
Audible inspection.
on Page 2-243
completed.
Fan operates at high speed.
REASON FOR QUESTION
Low speed differential pressure
Is low speed differential
sensing valve OK.
If low speed differential
pressure sensing valve
pressure sensing valve is not
adjusted correctly?
POSSIBLE PROBLEMS
adjusted correctly, an unusually
noisy operation will occur.
Low speed differential pressure
sensing valve not adjusted
correctly.
Adjust low speed
differential pressure
sensing valve.
NO
Verify repair, go to
Step 3 of this Fault.
YES
Replace low speed
differential pressure
sensing valve (Para
17-18). Verify repair,
go to Step 3 of this
Fault.
2-242
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