TM 5-5420-234-14&P
5-2. DIRECT SUPPORT TROUBLESHOOTING (continued).
8.
BAP WINCH WILL NOT LIFT LOAD OR OPERATES SLOWLY (continued).
TEST OPTIONS
KNOWN INFO
3.
Winch Relief Valve Test.
Less than 2100 psi
Does the winch oper-
delivered to BAP winch.
ate properly if the
REASON FOR QUESTION
winch relief valves
POSSIBLE PROBLEMS
are reversed?
The hydraulic pressure for
the winch circuit is less than
Winch relief valve faulty.
that for the LHS system.
Two winch relief valves drop
the winch system operating
pressure down to 21002300
psi. If one of the valves is
weak or faulty, the winch
may not have sufficient
pressure to lift the payload.
Go to Step 2 to
NO
check hydraulic
pump flow.
Replace winch
relief valves (para
YES
5-54
