22Cleaning the inside of the sprocket guardCAUTION: Before doing any work on the guide bar or chain,always switch off the engine and pull the plug cap off thespark plug (see „Replacing the spark plug“). Always wearprotective gloves!CAUTION: Start the chain saw only after having assembledit completely and inspected.Remove the sprocket guard (1) (see PUTTING INTO OPERA‑TION) and clean out the interior with a brush.Remove the chain (2) and guide bar (3).NOTE:Make sure there are no residues or foreign matter remaining inthe oil guide groove (4) or on the chain tensioner (5).To install the guide bar, saw chain, and sprocket guard, seePUTTING 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 servicecentre.SERVICECleaning the guide barCAUTION: Protective gloves must be worn.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 clean andfree of foreign matter!4513 26 7