TM 9-2320-211-10-1
M543A2 MEDIUM WRECKER REAR WINCH OPERATION .
a. General. The rear winch is a worm-geared type with a horizontal drum.
Power to drive the winch drum is supplied through a propeller shaft extending from
the power divider through a drive sprocket chain link to the winch drive shaft. The
power divider control is found in the driver's compartment. The winch has an auto-
matic safety brake to hold the winch load when the winch shift lever is being ussed.
It also has a level wind and a pneumatically controlled cable tensioner. Maximum
rated pull for the winch is 45,000 pounds when the drum has only one cable layer,
Before Operation.
.
NOTE
General instructions for winching, towing, and lifting
are given in Vehicle Recovery Operations, FM 20-22.
WARNING
Do not operate winch with a shear pin other than the alumi-
num pin shown in the parts list for winch being used. Always
stand clear of the winch cable under load. A snapped cable
can cause serious injury.
1.
From underneath truck, check shear pin (1) in sprocket gear hub (2) and winch
(3) shaft and make sure that it is the aluminum alloy pin called for in parts list.
TA
053961
