TM 5-3805-260-24GENERAL INFORMATIONPower from the diesel engine (7) is sent from theengine flywheel (12) through the torque converter (6).The output shaft of the torque converter sends the powerthrough upper drive shaft (5) to the input shaft of theplanetary transmission (2). The planetary transmission(2) has six clutches which are hydraulically engaged.Two clutches turn and the other four clutches arestationary. Four planet systems are used in combinationwith the six clutches to give four speeds forward and twospeeds reverse. The direction and speeds are changedmanually.The output shaft of the planetary transmission sendsthe power to the output transfer gears (1). From theoutput transfer gears (1), power goes through the lowerdrive shaft (8) to the pinion shaft and bevel gear (9). Thepinion shaft and bevel gear send the power through thedifferential (10). The differential sends the power to thefinal drives and wheels (11).Splines are used as connections between the axlesand the sun gears of the final drives. When the sungears turn, the planet gears in the carrier move aroundthe inside of the stationary ring gear. This action turnsthe carrier and the wheels.2-82
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