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Propeller Oil Drain

D18S No. 3  |  Kit:  502  |  Revised:  April 15, 1953 ADDITION OF RESERVOIR DRAIN FOR HYDROMATIC PROPELLERS In order to improve the efficiency in servicing the airplane, we have made necessary changes in the propeller feathering pump supply line to facilitate faster draining of the oil tanks. This change is only desirable on airplanes […]