Technical information

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6.8.1 Engine Cleaning
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Preperation
● Switch off engine.
● Remove engine covers and cooling air hood.
Replace them after cleaning and before test run.
● Cover electrical / electronic components and
connections (e.g. alternator, starter, governor,
solenoid).
Using compressed air
● Blow air through engine, taking particular care
not to damage cooler and cooling fins (begin to
blow through air from exhaust side).
Remove dirt which has blown into interior space.
Using cold-cleaning compound
● Spray engine with commercial cold-cleaning
compound and allow to react for approx. 10
mins.
● Spray-clean engine with strong water jet, repeat
if necessary.
● Allow engine to run warm so that remaining
water evaporates.
Using high-pressure device
● Clean engine with steam jet (max. spray pres-
sure of 60 bar, max. steam temperature of 90ºC).
● Allow engine to run warm so that remaining
water evaporates.
Clean the engine only when the en-
gine is switched off.
6.8 Engine Cleaning Service and Maintenance