Makita EA5600F Operator's And Safety Manual

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33Checking the muffler screwsCareful!Do not tighten the muffler screws when the engine is hot!Check the muffler screws (10) for tightness. If they are loose,hand-tighten them. Important - do not overtighten!First remove the two plugs. Using a small screwdriver.Put the plugs back in after checking the screws!Replacing the spark plugCAUTION:Do not touch the spark plug or plug cap if the engine isrunning (high voltage).Switch off the engine before starting any maintenance work.A hot engine can cause burns. Wear protective gloves!The spark plug must be replaced in case of damage to theinsulator, electrode erosion (burn) or if the electrodes are verydirty or oily.Remove the filter cover (see „Cleaning the air filter“).Pull the plug cap (7) off the spark plug. Use only the combinationwrench supplied with the saw to remove the spark plug.Electrode gapThe electrode gap must be .020” (0.5 mm).CAUTION: Use only the following spark plug: NGK BPMR7A.Checking the ignition sparkInsert combination tool between hood and cylinder as shown.CAUTION! Do not insert the combination tool into thespark plug hole! Make contact only with the cylinder (oth-erwise you might damage the engine).Using insulated pliers, press the unscrewed spark plug (8)against the combination tool (away from the spark plug hole)with the spark plug cap firmly on the plug.Put combination switch (9) in the ON position.Pull the starter cable hard.If the function is correct, an ignition spark must be visible nearthe electrodes.8 90,5 mm7