Fluid and Filter

NAG1 TRANSMISSION

FLUID AND FILTER

DESCRIPTION





The oil level control (Fig. 134) is located on the electrohydraulic unit and consists of the float (5) which is integrated into the electrohydraulic unit. The float is positioned to plug the opening between the oil gallery and gear set chamber so that the rotating gear sets do not splash about in oil as the oil level rises. The oil level control reduces power loss and prevents oil from being thrown out of the transmission housing at high oil temperatures.

OPERATION





With low oil levels (Fig. 135), the lubricating oil which flows constantly out of the gear set, flows back to oil gallery (2) though the opening (6). If the oil level rises, the oil presses the float (5) against the housing opening (6). The float (5) therefore separates the oil gallery (2) from the gear set chamber (1). The lubricating oil which continues to flow out of the gear sets is thrown against the housing wall, incorporated by the rotating parts and flows back into the oil gallery (2) through the upper opening (arrow).