TM 9-2350-238-10CRANE OPERATOR AND RIGGER CONTROLS–CONTINUEDIIKeyControl or IndicatorFunction17Tow winch controlOperates a three-position hydraulic valve to control tow winchhandleby releasing winch brake and driving winch to reel out or reelin wire rope, It is spring-loaded to return to center position.18Boom winch controlOperates a three-position hydraulic valve to control boomhandlewinch by releasing winch brake and driving winch to reel in orreel out wire rope. It is spring-loaded to return to centerposition.2-10
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