3080.5 mm1091311 12Replacing 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 maintenancework. A hot engine can cause burns. Wear protectivegloves!The spark plug must be replaced in case of damage to theinsulator, electrode erosion (burn) or if the electrodes arevery dirty or oily.Remove the filter cover (see “Cleaning the air filter”).Pull the plug cap (8) off the spark plug. Use only the com‑bination wrench supplied with the saw to remove the sparkplug.Electrode gapThe electrode gap must be 0.5 mm.CAUTION: Use only the following spark plugs:NGK CMR7A‑5.Checking the ignition sparkPress the loosened spark plug (9) with the ignition cablefirmly connected against the cylinder using insulated pliers(not near the spark plug opening).Put combination switch (10) in the “ON” position.Pull the starter cable hard.If the function is correct, an ignition spark must be visiblenear the electrodes.Checking the muffler screwsUnscrew 3 screws (11) and remove the upper half of themuffler (12).Note: For saw models with catalytic converters (EA3200S,EA3201S), remove the converter along with the upper muf‑fler half.The screws on the bottom muffler half (13) are nowaccessible, and it is possible to check them for tightness.If they are loose, tighten by hand (Caution: do not over‑tighten).