Before commissioning Type designation i The engine data card describes the scope of delivery from the supplying factory; later changes to the scope of delivery are not included on the data card. OM 501 L A 2 OM Oil engine (diesel engine) 501 Engine model 1 Always keep the engine data card with the Maintenance Booklet. L Charge-air cooling A Exhaust gas turbo- charger 1 Engine model 501: 6-cylinder, engine model 502: 8-cylinder Engine data card Engine data card The engine data card (DIN A4 sheet) forms an integral part of the documents belong- ing to the engine and should always be kept with the Maintenance Booklet.
It con- tains details about the engine's construc- tion, including special equipment features. The engine data card must be produced for the procurement of genuine parts. 26 General remarks