27Instructions 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 centre.General Chain saw Clean exterior, check for damage. In case of damage,have repaired by a qualified service centre immediatelySaw chain Sharpen regulary, replace in good time 19-12Chain brake Have inspected regularly at an authorized service centreGuide bar Turn over to ensure even wear of bearing surfacesReplace in good time 12, 21Starter cable Check for damage. Replace if damaged. 25Before each start Saw chain Inspect for damage and sharpness 19-20Check chain tension 12Guide bar Check for damageChain lubrication Functional check 15Chain brake Functional check 17Combination switch,Safety locking button,Throttle lever Functional check 17Fuel/oil tankcap Check for tightnessEvery day Air filter Clean (several times daily if necessary) 23Guide bar Check for damage, clean oil intake bore 21Guide bar support Clean, in particular the oil guide groove 15, 21Idle speed Check (chain must not run) 18Every week Fan housing Clean to maintain good cooling air flow. 9Cylinder area Clean to maintain good cooling air flow. 26Spark plug Check and replace if necessary 24Muffler Check tightness of mounting, Check screws 9, 24Chain guide Check 11Every 3 months Suction head Replace 26Fuel, oil tanks CleanAnnually Chain saw Check at an authorized service centreStorage Chain saw Clean exterior, check for damage. In case of damage,have repaired by a qualified service centre immediatelyGuide bar/chain Demount, clean and oil slightlyClean the guide groove of the guide bar 21Fuel, oil tanks Empty and cleanCarburetor Run emptyPage