TM 5-3805-280-24-1
Theory of Operation
SWING MOTOR OPERATION
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held in position by dowel pins in the cover. The swing
The swing motor (R) consists of the rotating group,
motor is a fixed displacement, axial piston, fixed
park brake, and cover (D). The cover contains the
position thrust plate (O) motor. It is bidirectional so the
swing crossover relief valves (F), make-up check
upperstructure can swing in both directions.
valves and inlet and outlet ports. The valve plate (E) is
Continued on next page
TX,05,GG2194
1920MAY981/2
6-61