TM-9-2320-387-10 HMMWV Operator Manual Download
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TM 9-2320-387-10 2-90 NOTE The electric winch is an optional kit which may or may not be installed on the vehicle. a. General. The vehicle electrical system is used to power the winch. It is recommended to have engine running while operating the winch so the alternator recharges the battery. Increased engine rpm can be maintained by use of the hand throttle. When engaging or disengaging the clutch, it may be necessary to rotate the drum by hand to align gears. b. Preparation for Use. (1) Park vehicle directly facing object to be winched. (2) Apply parking brake (para. 2-13). (3) Start engine (para. 2-12). (4) Chock wheels. c. Unwinding Winch Cable. CAUTION Do not power out winch cable for more than 10 ft (3 m). Use FREE SPOOL for paying out long lengths of winch cable. Failure to FREE SPOOL long lengths of winch cable may cause damage to winch. (1) Pull lever (4) out to FREE SPOOL. .WARNING. • Wear leather gloves when handling winch cable. Do not handle cable with bare hands. Failure to wear leather gloves may cause injury to hands. • When fully extending winch cable, ensure that four wraps of winch cable remain on drum at all times. Failure to do this may cause injury, death to personnel, or damage to winch. NOTE Allow 1 ft (30.5 cm) of slack in winch cable prior to start of winching operations. This allows time for winch motor start up for maximum pulling power. (2) Pull cable (5) out by hand to desired length. Connect to load leaving 1 ft (30.5 cm) of slack in cable (5). d. Pulling Load. .WARNING. Direct all personnel to stand clear of winch cable during winch operation. A snapped winch cable may cause injury or death. NOTE Refer to table 1-11, Winch Data, for pulling load capacity. (1) Install remote control switch (1) by connecting plug (2) to connector (3). (2) Push lever (4) in to ENGAGED. 2-28. ELECTRIC WINCH OPERATION