During normal operation, when a projectile is placed in a socket at the lower station, the hoist automatically cycles, provided that the socket at ... Manual control at the lower station allows for selection of power or manual drive, emergency stopping of the hoist, and ejection of projectiles from the sockets. ... The hoist drive unit consists of a hydraulic motor, valve block, timing mechanism, and hand drive unit.
|Title||:||Gunner's Mates School, class "A" [course] trainee's guide|
|Author||:||United States. Bureau of Naval Personnel|