Lukas P 660 SG - Manual (Page 23)

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11.2.5 Replacing and cleaning the air ¿ lter
It is very important to maintain the air ¿ lter in a good state.
Dirt penetrating due to incorrect installation, incorrect maintenance, or unsuitable ¿ lter inserts
leads to damage and wear on the motor. Always keep the air ¿ lter insert clean.
Procedure:
1. Unhook the cover and remove the ¿ lter insert.
2. Paper insert:
In order to clean it, carefully tap it to loosen any dirt and then blow off the dust. Never use
oil! Clean the paper insert every 50 operating hours and replace it every 200 hours or
once a year.
3. Urethane foam:
Wash out the insert with fresh water. Squeeze out the water and dry the insert.
(DO NOT TWIST!!!)
4. Then reinstall the spark plug.
Air ¿ lter
11.2.6 Replacing and cleaning the spark plug and setting the spark plug gap
Procedure:
1. Remove the spark plug from the engine using a suitable spark plug wrench.
Spark plug
wrench
Spark plug