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Page Title:
LHS DOES NOT OPERATE OR OPERATES SLOWLY. (Cont) |
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 TM 9-2320-364-34-1
9. LHS DOES NOT OPERATE OR OPERATES SLOWLY (CONT).
5.
TEST OPTIONS
KNOWN INFO
Visual inspection.
Unit Troubleshooting tasks
Is orifice in multifunction
completed.
manifold, port C2 free of
Winch and crane operates.
REASON FOR QUESTION
contaminants clogging it?
Multifunction manifold shuttle
valves OK.
If orifice is clogged, 28 to 32 gpm
(106 to 122 lpm) will not be
delivered to LHS. If orifice is OK
POSSIBLE PROBLEMS
and 28 to 32 gpm (106 to 122
lpm) are not measured at port
Multifunction manifold, port C2
C2, LHS differential pressure
orifice faulty.
sensing valve is faulty.
LHS differential pressure
sensing valve faulty.
Free flow solenoid valve faulty.
LHS ventable relief valve faulty.
Clean or replace
orifice (Para 17-18).
NO
Verify repair, go to
Step 10 of this Fault.
YES
Replace LHS
differential pressure
sensing valve
(Para 17-18).
Verify repair, go to
Step 10 of this Fault.
2-378
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