36Instructions for periodic maintenanceTo ensure long life, prevent damage and ensure the full functioning of the safety features the following maintenance must beperformed regularly. Guarantee claims can be recognized only if this work is performed regularly and properly. Failure to performthe prescribed maintenance work can lead to accidents!The user of the chain saw must not perform maintenance work which is not described in the instruction manual. All such work mustbe carried out by a MAKITA service center.General Chain saw Clean exterior, check for damage. In case of damage,have repaired by a qualified service center immediatelySaw chain Sharpen regulary, replace in good time 28-29Chain brake Have inspected regularly at an authorized service centerGuide bar Turn over to ensure even wear of bearing surfacesReplace in good time 21, 30Starter cable Check for damage. Replace if damaged. 34Before each start Saw chain Inspect for damage and sharpness 28-29Check chain tension 21Guide bar Check for damageChain lubrication Functional check 24Chain brake Functional check 26Combination switch,Safety locking button,Throttle lever Functional check 25Fuel/oil tankcap Check for tightnessEvery day Air filter Clean (several times daily if necessary) 32Guide bar Check for damage, clean oil intake bore 30Guide bar support Clean, in particular the oil guide groove 24, 30Idle speed Check (chain must not run) 27Every week Fan housing Clean to maintain good cooling air flow. 17, 35Cylinder area Clean to maintain good cooling air flow. 35Spark plug Check and replace if necessary 33Muffler Check tightness of mounting, Check screws 33Spark arrester screen Clean 35Chain guide Check 20Every 3 months Fuel filter Replace 35Fuel, oil tanks CleanAnnually Chain saw Check at an authorized service centerStorage Chain saw Clean exterior, check for damage. In case of damage,have repaired by a qualified service center immediatelyGuide bar/chain Demount, clean and oil slightlyClean the guide groove of the guide bar 30Fuel, oil tanks Empty and cleanCarburetor Run emptyPageService, spare parts and guaranteeMaintenance and repairThe maintenance and repair of modern engines as well as all safety devices require qualified technical training and a specialworkshop equipped with special tools and testing devices.Any work not described in this Manual may be performed only by a MAKITA service center.The MAKITA service centers have all the necessary equipment and skilled and experienced personnel, who can work out cost-effective solutions and advise you in all matters.Repair attempts by third parties or unauthorized persons will void all warranty claims.Please contact your nearest service center (list enclosed).