TM 5-5420-234-14&P
5-2. DIRECT SUPPORT TROUBLESHOOTING (continued).
8.
BAP WINCH WILL NOT LIFT LOAD OR OPERATES SLOWLY (continued).
WINCH RELIEF VALVE TEST
(1)
Remove winch relief valve from right side of main
hydraulic block assembly (para 5-27).
(2)
Remove winch relief valve from left side of main
hydraulic block assembly and install in right side.
(3)
Install remaining winch relief valve in left side of
main hydraulic block assembly.
(4)
Start engine.
(5)
Turn the light control switch to the ON position.
CAUTION
Operating the winch controls with the winch
hoses disconnected will put the winch hydraulic
circuit into relief. This should be limited to 10
seconds. Failure to comply with this caution
may result in damage to equipment.
(6)
Activate WINCH IN switch on remote control and
note reading on gage.
(7) Shut off engine and turn light control switch to OFF
position.
(8) Remove tee fitting, hose adapter, hose, and
WINCH RELIEF
pressure gage from between line fitting and hose.
VALVE
(9) Install winch hose on hydraulic tube fitting.
(10) Connect winch quick-connect fittings.
5-55
