2-25. OPERATION OF MEDIUM WRECKER REAR WINCH
HIGH INTENSITY NOISE
Hearing protection is required for all personnel working in and
around this vehicle with the engine running.
a. General. The M816 medium wrecker has a hydraulically-operated crane and two
winches (front and rear), each equipped with a level winding device. The front winch is
mainly for pulling out the wrecker when it becomes stuck or is used as an anchor point
when rear winch is in use. The rear winch is used for heavy-duty operations because of its
heavy pulling capability. The crane can be extended from 10 to 18 feet (3.05 to
5.49 meters) and is used for lifting loads up to 10 tons (9.1 metric tons).
b. Front Winch Operation. Refer to paragraph 2-22.
c. Rear Winch Operation.
(1) Position wrecker to aline rear winch (6) with load (7) to be winched, if possible.
(2) For heavy pulls, install field chocks (8), Perform the following
(a) Remove chocks (8) from storage area at rear of wrecker body.
(b) For direct pulls, install chocks (8) facing load (7) in left and right chock
brackets (11). Insert pin (9) through bracket (11) and yoke (10) to secure each chock in