Security cover for engine oil top up point - has sprung cover and sealing plate, having no requirement for removal from engine

摘要

Security cover for motor oil top up point, which is not removable from the engine. The cover has a gear system and two lock pins on a bayonet lock (6). It is only possible to fill with motor oil when the cover (1) is moved by hand to an open position and held there until filling is complete. The cover and sealing plate close automatically under spring pressure. ADVANTAGE - Can not be removed from engine.