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TM 9-2320-364-20-3
2-2898
4. FAN, LHS, WINCH AND CRANE DO NOT OPERATE (CONT).
3.
Repair main hydraulic
pump driveshaft
(Para 20-2).
Verify repair, go to
Step 7 of this Fault.
YES
NO
Truck hoses OK.
Crane hoses and tubes OK.
Pump driveshaft faulty.
High pressure filter clogged.
Strainer clogged.
Main hydraulic filter clogged.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Faulty main hydraulic pump
driveshaft will not drive pump or
can damage pump.
Is main hydraulic pump
driveshaft free of damage?
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