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-Replace filter cover (B/1). D 0.65 mm (.025") 0.65 mm (.025") min. 3 mm (0.11”) Proper sharpening: CAUTION: Use only chains and guide bars designed for this saw (see the Extract from the spare-parts list)! -All cutters must be of the same length (dimension a). Cutters with different lengths result in rough running of the chain and can cause cracks in the chain. -Minimum cutter length is 0.11" (3 mm). Do not resharpen the chain when the minimum cutter length has been reached; at this point, the chain must be replaced (see the Extract from the spare-parts list and "Replacing the chain"). -The depth of the cut is determined by the difference in height between the depth limiter (round nose) and the cutting edge. -The best results are obtained with a depth-limiter depth of 0.65 mm (.025"). CAUTION: Excessive depth increases the risk of kickback! E F E F -The 85° front rake of the cutter results from the cut depth of the round file. If the proper file is used in the right manner, the correct front rake will be obtained automatically. Files and how to work with them -Use a special round file for chains (dia. 4 mm) for sharpening the chain. Normal round files are not appropriate for this work. See "Accessories" for the order number. -The file should cut only when pushed forwards (arrow). Lift the file when leading it backwards. -First sharpen the shortest cutter. The length of this cutter is then the standerd for all other cutters of the chain. -Always guide the file horizontally (90o to the guide bar). G 30° 4/5 H I -The file holder makes file guidance easier. It is marked for the correct 30° sharpening angle (keep the marks parallel with the chain when filing, see illustration) and limits the cut depth to the correct 4/5 of the file diameter. See "Accessories" for the order number. Cleaning the guide bar, lubricating the sprocket nose CAUTION: Protective gloves must be worn. J -After having sharpened the chain, the height of the depth limiter must be checked by means of a chain gauge. See "Accessories" for the order number. -Correct even the smallest excess height with a special flat file (H). See "Accessories" for the order number. -Round off the front of the depth limiter (I). Regularly inspect the bearing surfaces of the guide bar for damage, and clean them with a suitable tool. If the saw is used intensively it will be necessary to lubricate the return sprocket bearings regularly (once a week). To do this, first thoroughly clean the 2 mm hole at the tip of the guide bar, and then press in a small amount of multi-purpose grease. Multi-purpose grease and grease guns are available as accessories. Multi-purpose grease (order no. 944 360 000) Grease gun (order no. 944 350 000) Cleaning the brake band and sprocket interior Replacing the saw chain Cleaning the brake band and sprocket interior Replacing the saw chain : Use only chains and guide bars designed for this saw (see the Extract from the spare-parts list)! A 1 2 3 4 5 6 7 STOP 1 2 C D CAUTION: Before doing any work on the guide bar or chain, always switch off the engine and pull the plug cap off the spark plug (see "Replacing the spark plug"). Always wear protective gloves! CAUTION: Start the chain saw only after having assem bled it completely and inspected! -Remove the sprocket guard (A/1) (See "PUTTING INTO OPERATION" figs. A and B). -Turn the chain tightener screw (A/2) to the left (counterclockwise) until you feel resistance. -Remove the chain (A/3) and guide bar (A/4). -Clean the interior with a brush, in particular the brakeband area (A/5). NOTE: Make sure that no residue or contaminants remain in the oil guide groove (A/6) and the chain tightener (A/7). -For replacing the guide bar, chain, and sprocket see "PUTTING INTO OPERATION". NOTE: The chain brake is a very important safety device and like any other component subject to normal wear and tear. Regular inspection and maintenance are important for your own safety and must be done by a MAKITA service center. Replacing the suction head B 1 The felt filter (B/1) of the suction head can become clogged. It is recommended to replace the suction head once every three months in order to ensure unimpeded fuel flow to the carburetor. To remove the suction head for replacement, pull it out through the tank filler neck using a piece of wire bent at one end to form a hook. Check the sprocket (C/1) before mounting a new chain. The sprocket is located underneath the clutch drum (C/2). CAUTION: Worn out sprockets (D) may damage the new chain and must therefore be replaced. Do not attempt to replace the sprocket yourself. Sprocket replacement requires special training and tools and must be done at a MAKITA service center. Replacing / cleaning the spark arrester screen E 1 2 3 4 5 6 The spark arrester screen should be checked and cleaned regularly. -Unscrew the muffler bolts (E/1) and remove the protective screen (E/2). -Carefully remove the muffler (E/3). NOTE: If the muffler gasket (E/4) is damaged, replace it. -...

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