Makita EA7300P Operator's And Safety Manual

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33789Replacing 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 (6) 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 plugs: NGK BPMR 7Aor BOSCH WSR 6F.Checking the ignition sparkStick the combination tool (7) between the hood and cylinderexactly as shown.IMPORTANT! Do not stick the tool in the spark plug hole.It should touch only the cylinder (otherwise the engine willbe damaged!).With the spark-plug cap firmly attached to the unscrewed sparkplug (8), use insulated pliers to hold the plug against the tool(away from the spark-plug hole!).Switch the I/STOP ignition switch (9) as shown by the arrow.Pull the starter cable hard.If the function is correct, an ignition spark must be visible nearthe electrodes.BC6.020”(0,5 mm)1011Checking 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 (11) using a small screwdriver.Put the plugs back in after checking the screws!D