TM 9-2320-273-20
WINCH.
12-14. HYDRAULIC MOTOR MAINTENANCE. (Continued).
LOCATION/ITEM
ACTION
REMARKS
Winch system retains some pressure even
when not in use. Before you begin
maintenance, vent pressure by carefully
removing reservoir fill cap.
A. REMOVAL.
1. Six screws (3) and
Unscrew and remove winch
Iockwashers (2).
front cover (1).
2. Four screws {9) and
Unscrew and remove winch
Iockwashers (10).
rear cover (8).
3. Five hydraulic line
Unscrew from hydraulic motor
connections: (4), (5), (6),
(16) and plug connections.
(7), and (17).
4. Two screws (18) and
Unscrew and pull hydraulic
hex nuts (11).
motor (16) straight out from
failsafe brake.
5. Gasket (13).
Discard.
B. CLEANING AND INSPECTION.
6. Hose fittings at
Wipe clean and inspect for
Replace fitting
connections (4), (5), (6),
crossed threads, burrs,
as necessary.
(7), and (17).
and cracked hoses.
7. Motor spline shaft (12).
Wipe clean and inspect for
Refer to Direct Support/
gouges, chips, and broken
General Support Mainten-
splines.
ance if shaft splines or
spline sleeve on failsafe
brake are damaged.
C. INSTALLATION AND OPERATIONAL CHECK
8 New gasket (13).
Coat both sides with silastic
gasket sealer and place on
flange of hydraulic motor (16).
9. Two screws (18).
Position in flange slots of
hydraulic motor (16).
12-36
