TM 9-2320-365-103-10. M1081 AIR DROP PREPARATION (CONT)(21) Turn FUNCTION SELECT knob (20) toSPARE TIRE position.(22) Turn SPARE TIRE knob (21) toLOWER position.WARNINGEnsure spare tire retainerlift arm doesn’t grab sparetire while being lowered.Failure to comply mayresult in injury to personnelor damage to equipment.NOTEUse back-up hydraulic pump(para 2-41) if pressing PUMPknob does not accomplishstep (23).(23) Press and hold PUMP knob (22) untilspare tire retainer lift arm (18) islowered.(24) Attach safety chain (15) to spare tirewheel hub (23) as shown.(25) Position LMHC (24) over spare tire(19).(26) Connect safety chain (15) to hook (25)on LMHC (24).3-110.4 Change 1
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