42Instructions for periodic maintenanceTo ensure long life, prevent damage and ensure the full functioning of the safety features the following maintenance must be per-formed regularly. Guarantee claims can be recognized only if this work is performed regularly and properly. Failure to perform theprescribed maintenance work can lead to accidents!The user of the chain saw must not perform maintenance work which is not described in the operator’s 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 34-35Chain brake Have inspected regularly at an authorized service centerGuide bar Turn over to ensure even wear of bearing surfacesReplace in good time 22,36Starter cable Check for damage. Replace if damaged. 40Before each start Saw chain Inspect for damage and sharpness 34-35Check chain tension 22,26Guide bar Check for damageChain lubrication Functional check 30Chain brake Functional check 32Combination switch,Safety locking button,Throttle lever Functional check 3Fuel/oil tankcap Check for tightness and lekagesEvery day Air filter Clean (several times daily if necessary) 38Guide bar Check for damage, clean oil intake bore 36Guide bar support Clean, in particular the oil guide groove 30,36Idle speed Check (chain must not run) 33Every week Fan housing Clean to maintain good cooling air flow. 18Air filter compartment Clean to maintain good cooling air flow. 41Fan compartment Clean to maintain good cooling air flow. 41Cylinder fins Clean to maintain good cooling air flow. 41Spark plug Check and replace if necessary 39Muffler Check tightness of mounting, Check screws 18, 39Chain guide Check 8Screws and nuts Check their condition and that they are firmly secured.Spark arrester screen Clean or replace if necessary 4Every 3 months Fuel filter Replace 41Fuel, 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 36Fuel, oil tanks Empty and cleanCarburetor Run emptyPage