TM 9-2350-256-34-2Figure 1-8. Hoist winch assembly--right rear view.(b) Hoist winch combination valve(fig. 1-8). The hoist winch combination control valve is mounted on theside of the hoist winch counterbalance valve, which is mounted to the hydraulic motor manifold. It is a three-position, balanced-center valve, and serves to direct hydraulic flow through the counterbalance valve andmanifold to the hydraulic motor, thus determining the direction of motor rotation.(c) Hoist winch counterbalance valve(fig. 1-8). The hoist winch counterbalance valve is located betweenthe hoist winch combination control valve and the hydraulic motor manifold. The function of the valve is toprevent a possible overspeed of the hoist winch motor and also prolong the life of the hoist winch brake. (See(b) above).(d) Hoist winch hydraulic motor(fig. 1-8). The hydraulic motor is mounted to the manifold at the rear ofthe hoist winch. It is a vane-type, reversible motor which serves to convert hydraulic1-10
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