

Before installing the filter system, check the intake opening to make sure no dirt particles have fallen in. If they have, remove them. Replacing the spark plug CAUTION: Do not touch the spark plug or plug cap if the engine is running (high voltage). Switch off the engine before starting any maintenance work. A hot engine can cause burns. Wear protective gloves! The spark plug (Order No. 965 603 021) must be replaced in case of damage to the insulator, electrode erosion (burn) or if the electrod