tracked front-end loaders and other equipmentcontaining hydraulic systems that are subjected tosevere shock.The accumulator is a large cylinder that containscompressed gas or a coil spring separated from thehydraulic fluid by a piston, rubber bladder, ordiaphragm. When a heavy shock is placed on thehydraulic system, fluid enters the cylinder and causesthe gas or spring to compress. Once the shock loadstabilizes within the hydraulic system, the fluid is forcedback to the operating portion of the system.HYDRAULIC MOTORSThe hydraulic motor provides power to winches oncranes, drives conveyors on ditching machines, and isused in other applications where mechanical drives areimpractical.The hydraulic motor is turned by fluid underpressure supplied by the pump. The fluid enters thehousing and acts on the rotating members. It thendischarges and returns to the reservoir or pump.4-12
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