TM 5-5420-234-14&P
4. WINCH FRAME LOCKING LEVERS AND PINS. Apply OEA by hand to locking lever pivot points.
5. Remove safety pin and washer to remove LHS pin. Lubricate LHS pin and reinstall with washer and safety pin.
6. WINCH CABLE, DRUM, SHEAVES, ROLLERS, GUIDES, AND HOOK ARM SURFACE. Every month clean
and lubricate with new GAA. Every six months, if cable is not generally used, unwind entire cable, clean, and lubricate
with new GAA. Wipe off excess and coat winch drum with GAA before rewinding cable on drum.
7. HOOK ARM HOOK AND BAP LOADING BAR. Lubricate with grease as needed.
8. WINCH CASE AND HAND PUMP. Operator is to remove fill plug and check for correct oil level. Oil level should
be up to filler plug. Unit maintenance removes fill plug and drain plug to drain oil. Fill winch with OE/HDO through fill
plug port. Unit maintenance to check oil in hand pump by removing dipstick and filling until fluid level reaches notch in
dipstick.
9. PURGING OF LUBRICANT. When using a grease gun, apply lubricant to the fitting until clean lubricant squeezes
out of the part being lubricated.
10. LIFT HOOK. Apply grease to lift hook more often if vehicle truck mileage is low but LHS hours are high.
11. To allow access to the hook arm cylinder rear grease fittings and LHS hook arm pin, the LHS should be fully
extended.
12. The 50-hour interval is based on actual LHS operating hours. The hours can be tracked by the operator using the
hourmeter. The LHS should be lubricated monthly or every 50 operating hours, whichever comes first.
G-14
