Patent ID: 6095166
Filing Date: 2000-08-01
Classification: F01P,F02B

Abstract:
A cleaning apparatus for cleaning a cooling water passage of an outboard motor equipped with an engine in which the cooling liquid passage is formed and which is covered by an engine cover, the cleaning apparatus including a connection device to which one end of a cleaning liquid tube, which is connected at another end thereof to the cooling liquid passage of the engine, is connected and a cleaning liquid hose is connectable to the connection device from an external side thereof, said connection device comprising:a grommet mounted to the engine cover;a connector assembly mounted to the grommet, said connector assembly having a double-tube structure including an inside connecting portion for selectively receiving a first supply tube having a first diameter and an outside connecting portion for selectively receiving a second supply tube having a second diameter smaller than the first diameter of the first supply tube; andwherein said outside connecting portion has an outer peripheral portion configured for selectively engaging a cap member during a non-cleaning operation and selectively connecting the second supply tube to the connector assembly during a second supply tube cleaning operation, and said inside connecting portion is configured for engaging a sealing element of the cap member for sealing the cleaning liguid tube during the non-cleaning operation and has a union structure configured for being selectively connected to the first supply tube during a first supply tube cleaning operation.