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TM 9-2320-364-20-3
2-2900
4. FAN, LHS, WINCH AND CRANE DO NOT OPERATE (CONT).
4.
Replace hydraulic
filter and clean
or replace bypass
valve (Para 20-6, 20-7
and 20-8).
Verify repair, go to
Step 7 of this Fault.
YES
NO
Truck hoses OK.
Crane hoses and tubes OK.
Pump driveshaft OK.
High pressure filter clogged.
Strainer clogged.
Main hydraulic filter clogged.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Clogged high pressure filter and
bypass valve will not allow
pressure to multi-function
manifold.
5.
Replace strainer
(Para 20-13).
Verify repair, go to
Step 7 of this Fault.
YES
NO
Truck hoses OK.
Crane hoses and tubes OK.
Pump driveshaft OK.
High pressure filter OK.
Strainer clogged.
Main hydraulic filter clogged.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Clogged strainer will not allow
supply oil to pump.
Are high pressure hydraulic
filter and bypass valve free
of restrictions?
Is main hydraulic reservoir
strainer free of clogging?
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