Makita EA3201S Original Instruction Manual

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Makita EA3201S Original Instruction Manual Manual pdf 28 page image

288-3. Cleaning the guide barCAUTION: Protective gloves must be worn.(Fig. 66)Regularly inspect the bearing surfaces of the guide bar (7) fordamage, and clean them with a suitable tool.Keep the two oiling holes (6) and the entire guide bar cleanand free of foreign matter!8-4. Replacing the saw chainCAUTION: Use only chains and guide bars designed forthis saw (see 11 “Extract from the spare‑parts list”)!(Fig. 67)Check the sprocket before mounting a new chain.Worn out sprockets (8) may damage the new chain and musttherefore be replaced.Remove the sprocket guard (see 7 “PUTTING INTOOPERATION”).Remove the chain and guide bar.Remove circlip (9).CAUTION: The circlip will pop out of the groove. Whenremoving it, hold your thumb against it to prevent it frompopping off.Remove thrust washer (11).If the sprocket (8) is worn out, the complete clutch drum (12)will need to be replaced (for the part number, see 11 “Extractfrom the spare parts list”).Install a complete new clutch drum (12), cup washer (11) andnew circlip (9) (for the part numbers, see 11 “Extract from thespare parts list”).For replacing the guide bar, chain, and sprocket see 7“PUTTING INTO OPERATION”.NOTE:Don’t use a new chain on a worn chain sprocket. By thetime 2 chains have worn, the sprocket has become wornout, so it should be replaced at least at every second chainreplacement. To distribute the chain oil evenly, run a new chainat half‑throttle for a few minutes before use.New chains stretch, so check the chain tension frequently (see7‑3 “Checking the chain tension”).8-5. Cleaning the air filterCAUTION: To prevent eye injury, always wear eyeprotection when cleaning the filter with compressed air!Do not use fuel to clean the air filter.(Fig. 68)Loosen the scew (1) counter‑clockwise and remove the hood(2).Push up the combination switch (3) (Choke position) to preventdirt particles from falling into the carburetor.Pull the air filter cover tab (4) slightly in the direction of thearrow, and remove the air filter cover.Remove the air filter (5).IMPORTANT: Cover the intake opening with a clean cloth toprevent dirt particles from getting into the carburetor.If the filter is very dirty, clean it in lukewarm water withdishwashing detergent.Let the air filter dry completely.If the filter is very dirty, clean it frequently (several times a day),because only a clean air filter provides full engine power.CAUTION:Replace damaged air filters immediately.Pieces of cloth or large dirt particles can destroy theengine!Insert the air filter (5) in the illustrated direction.CAUTION:Do not insert the air filter upside-down, even aftercleaning it. Otherwise dirt particles on the outsidesurface of the air filter come into the carburetor and cancause an engine trouble.Put on the air filter cover.Note: The air filter cover tab (4) will engage automatically if theair filter cover is properly positioned.Push down the combination switch (3) and press the throttle(6) all the way down one time in order to deactivate the throttlelock.Put on the hood (2). When doing so make sure that the lowerpins (7) on both sides of the hood engage properly (whencorrectly assembled, the pins should not be visible).Tighten screw (1) clockwise.8-6. 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 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 are verydirty or oily.(Fig. 69)Remove the filter cover (see 8‑11 “Cleaning the air filter”).Pull the plug cap (8) off the spark plug. Use only thecombination 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‑5.8-7. Checking the ignition spark(Fig. 70)Press the loosened spark plug (9) with the ignition cable firmlyconnected against the cylinder using insulated pliers (not nearthe 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 visible nearthe electrodes.8-8. Checking the muffler screws(Fig. 71)Unscrew 3 screws (11) and remove the upper half of themuffler (12).