TM 9-2320-260-102-5. BODY EQUIPMENT CONTROLS AND INDICATORSa. Bolster Logging Truck (M815).KEY12345672-12ITEM AND FUNCTIONBolster chocks must be centered to permit forward wheels of bolster trailer tocontact chocks when trailer is loaded on to truck.Bolster travel locks prevent bolster fifth wheel from turning and must be releasedwhen hauling logs. Travel locks are on the side of the bolster base frame.Latch secures bolster travel locks.Cotter pins are removed, lock pivoted down, and cotter pins replaced on bothsides to release travel lock.Drum clutch lever hinged lock is used to secure drum clutch lever (6) in disengageposition.Drum clutch lever is pulled out to engage and pushed in to disengage winchclutch.Drum lock knob locks drum when winch is not in use.TA 094227
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