TM-9-2320-387-10 HMMWV Operator Manual Download
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TM 9-2320-387-10 2-92 d. Pulling Load (Cont'd). CAUTION Do not fully apply hand throttle during engine NO LOAD condition. Damage to engine may result. NOTE • The electric winch is equipped with an electronic current limiter switch to prevent winch overload. If winch stops repeatedly during operation and restarts in approximately five seconds, the electronic current limiter is being activated, indicating an overload condition. • The electric winch is equipped with a thermal cutoff switch to prevent winch from overheating. If winch stops during operation, and does not restart within five seconds, wait approximately two minutes to let winch cool off and allow thermal switch to reset. If after five minutes winch is still inoperative, notify unit maintenance. • Engine speed is maintained for battery charging only and will not change winch operating speed. (3) Pull hand throttle (1) out until desired engine speed is obtained. (4) Operate remote control switch (2) to IN or OUT until load has been retrieved. e. Securing Winch After Operation. CAUTION Winch cable must be wound onto drum under a load of at least 500 lb (227 kg) or outer wraps will draw into the inner wraps and damage winch cable. (1) Wind winch cable (6) until hook (7) is 4 ft (1.2 m) from cable guide (8). (2) Pull lever (5) out to FREE SPOOL and rotate drum by hand to retrieve the remaining cable (6). (3) Remove remote control switch (2) by disconnecting plug (3) from connector (4). (4) Push lever (5) in to ENGAGED. (5) Release hand throttle (1). 2-28. ELECTRIC WINCH OPERATION (Cont’d) 1