10• A stuck bit can be removed simply by setting thereversing switch to reverse rotation in order toback out. However, the tool may back out abruptlyif you do not hold it firmly.• Always secure small workpieces in a vise orsimilar hold-down device.MAINTENANCECAUTION:• 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 brushes1001145Remove and check the carbon brushes regularly.Replace 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.21015186Remove holder cap covers by inserting the slotted bitscrewdriver into the recessed part in the tool and liftingit up.21015187Use a screwdriver to remove the brush holder caps.Take out the worn carbon brushes, insert the new onesand secure the brush holder caps.Remount the holder cap covers on the tool.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 arerecommended for use with your Makita toolspecified in this manual. The use of any otheraccessories or attachments might present a risk ofinjury to persons. Only use accessory orattachment for its stated purpose.If you need any assistance for more details regardingthese accessories, ask your local Makita Service Center.• SDS-Plus Carbide-tipped bits• Drill chuck assembly• Drill chuck S13• Chuck adapter• Chuck key S13• Bit grease• Side grip• Depth gauge• Blow-out bulb• Dust cup• Dust extractor attachment• Safety goggles• Plastic carrying case• Keyless drill chuck• Makita genuine battery and chargerNOTE:• Some items in the list may be included in the toolpackage as standard accessories. They may differfrom country to country.1. Brush holdercap2. Screwdriver1. Holder capcover2. Recessed part1. Limit mark