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TM 9-2320-364-20-3
2-2902
4. FAN, LHS, WINCH AND CRANE DO NOT OPERATE (CONT).
Truck hoses OK.
Crane hoses and tubes OK.
Hydraulic oil level OK.
Pump driveshaft OK.
High pressure filter OK.
Strainer OK.
Main hydraulic filter OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Verify repair.
If fan, LHS, winch and crane
operate, fault has been
corrected.
YES
NO
Fault not corrected,
notify DS
Maintenance.
7.
Do fan, LHS, winch and crane
operate normally?
Fault corrected.
6.
Replace main
hydraulic filter and
clean or replace relief
valve (Para 20-9).
Verify repair, go to
Step 7 of this Fault.
YES
NO
Truck hoses OK.
Crane hoses and tubes OK.
Hydraulic oil level OK.
Pump driveshaft OK.
High pressure filter OK.
Strainer OK.
Main hydraulic filter clogged.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Clogged return filter and relief
valve will not allow pressure to
return to hydraulic reservoir.
Are main hydraulic filter and
relief valve free of
restrictions?
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