Makita DCS431 Owner's And Safety Manual

Also see for DCS 431: Spare parts Owner's and safety manual Instruction manual

Makita DCS431 Owner's And Safety Manual Manual pdf 27 page image

27Cleaning the brake band and sprocket interiorReplacing/cleaning the spark arrester screenReplacing the saw chainCAUTION:Use only chains and guide bars designed for this saw(see the Extract from the spare-parts list and page 18)!B C1 2A6724315STOPCAUTION: Before doing any work on the guide bar orchain, always switch off the engine and pullthe plug cap off the spark plug (see "Replacingthe 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 INTOOPERATION" figs. A and B).- Turn the chain tightener screw (A/2) to the left (counter-clockwise) until you feel resistance.- Remove the chain (A/3) and guide bar (A/4).- Clean the interior with a brush, in particular the brake-bandarea (A/5).NOTE:Make sure that no residue or contaminants remain in the oilguide 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 likeany other component subject to normal wear and tear.Regular inspection and maintenance are important foryour own safety and must be done by a MAKITA servicecenter.The felt filter (D/1) of the fuel filter can become clogged. It isrecommended to replace the fuel filter once every three monthsin order to ensure unimpeded fuel flow to the carburetor.To remove the fuel filter for replacement, pull it out through thetank filler neck using a piece of wire bent at one end toform a hook.Replacing the fuel filterCheck the sprocket (B/1) before mounting a new chain.The sprocket is located underneath the clutch drum (B/2).CAUTION:Worn out sprockets (C) may damage the new chain and musttherefore be replaced. If the wear marks on the teeth are verypronounced (about 0,5 mm /0.02” deep), the sprocket shouldbe replaced.Do not attempt to replace the sprocket yourself. Sprocketreplacement requires special training and tools and must bedone at a MAKITA service center.E21The spark arrester screen should be checked and cleanedregularly.- Loosen the 3 screws (E/1) and remove the spark arresterscreen (E/2).- Reassembly the spark arrester screen and tighten thescrews. The two long screws must be tigthed with a torqueof 6,3 ft. lb.(8,5 Nm).CAUTION:Do not use sharp or pointed objects for screen cleaning.Damaged or misformed screen wires may result.D 1