9MAINTENANCECAUTION:• Always be sure that the tool is switched off and thebattery cartridge is removed before attempting toperform inspection or maintenance.• Never use gasoline, benzine, thinner, alcohol orthe like. Discoloration, deformation or cracks mayresult.Replacing carbon brushes1006258Replace when they wear down to the limit mark. Keepthe carbon brushes clean and free to slip in the holders.Both carbon brushes should be replaced at the sametime. Use only identical carbon brushes.Use a screwdriver to remove two screws then removethe rear cover.12006729Raise the arm part of the spring and then place it in therecessed part of the housing with a slotted bitscrewdriver of slender shaft or the like.12 3006730Use pliers to remove the carbon brush caps of thecarbon brushes. Take out the worn carbon brushes,insert the new ones and replace the carbon brush capsin reverse.1006731Make sure that the carbon brush caps have fit into theholes in brush holders securely.12006304Reinstall the rear cover and tighten two screws securely.To maintain product SAFETY and RELIABILITY, repairs,any other maintenance or adjustment should beperformed by Makita Authorized Service Centers,always using Makita replacement parts.OPTIONAL ACCESSORIESCAUTION:• These accessories or attachments are recommendedfor use with your Makita tool specified in this manual.The use of any other accessories or attachmentsmight present a risk of injury to persons. Only useaccessory or attachment for its stated purpose.If you need any assistance for more details regardingthese accessories, ask your local Makita Service Center.• Drill bits• Hammer drill bits• Screw bits• Blow-out bulb• Safety goggles• Various type of Makita genuine batteries and chargers• Grip assembly• Depth rod• Hook• Rubber pad assembly• Wool bonnet• Foam polishing padNOTE:• Some items in the list may be included in the toolpackage as standard accessories. They may differfrom country to country.1. Hole2. Carbon brushcap1. Carbon brushcap1. Arm2. Spring3. Recessed part1. Rear cover2. Screws1. Limit mark