TM 9-2320-260-10
b. Medium Wrecker (M816) and Tractor Wrecker (M819) (Cont’d).
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Boom control lever raises boom when pulled toward operator; lowers boom when
moved away from operator.
Hoist control lever raises boom hook when pulled toward operator; lowers hook
when moved away from operator.
Crowd control lever retracts boom when pulled toward operator; extends boom
when moved away from operator.
Swing control lever swings crane assembly right when pulled toward operator;
swings crane assembly left when moved away from operator.
Floodlight control switches are used to turn on each of three floodlights during
night operations.
Floodlight control switch controls power to three floodlights. Turn clockwise for
power ON, and counterclockwise for power OFF.
Signal light switch controls operation of amber warning light on left front fender
when wrecker crane is operating or disabled vehicle is being towed.
TA 094230
2-15
