DRIVE GP-PUMP 1077994 - Caterpillar

Illustration 1 g03734709
(1) Accumulator (2) Desiccant (3) Inlet (4) Filter for the oil drain (5) Outlet (6) Standpipe (7) J-tubeLow temperature low-pressure refrigerant leaves the evaporator coil and passes into the accumulator (1) through the inlet (3). Liquid refrigerant that was not evaporated in the evaporator is stored in the bottom of the accumulator. Vapor refrigerant passes through either the standpipe (6) or the J-tube (7) before exiting through the outlet (5). The oil goes to the compressor through a filter for the oil drain (4). The accumulator stores some refrigerant in order to compensate for the changing system demands. These system demands can result from changing speeds in the compressor, varying heat loads, or small losses of refrigerant. The accumulator will contain desiccant (2) if the system does not contain an in-line dryer. The liquid refrigerant will pass through the desiccant, which will remove a small amount of moisture.