6 © 2001 6.8. Engine Cleaning Service and Maintenance © 35 206 0 © 35 205 0 engine is switched off! Using cold-cleaning compound Switch off the engine. Remove engine covers and cooling air hood. Replace them after cleaning and before the test run. Cover electrical / electronic components / connections (e.g. generator, starter, gov- ernor, solenoid). Spray the engine with the commercial cold- cleaning compound and allow to react for approx. 10 mins. Spray clean the engine with a strong water jet, repeat if necessary. Allow the engine to run warm so that the remaining water evaporates. Switch off the engine. Remove engine covers and cooling air hood.
Replace them after cleaning and before the test run. Cover electrical / electronic components / connections (e.g. generator, starter, gov- ernor, solenoid). Blow air through the engine, taking particu- lar care not to damage the cooler and cooling fins (begin to blow through air from the exhaust side). Remove the dirt which has blown into the interior space. 6.8.1 Engine cleaning Using compressed air © 35 206 0 35 206 0 © 35 204 0 35 204 0 © 35 205 0 © 35 205 0