12MAINTENANCECAUTION:• Always be sure that the tool is switched off andunplugged before attempting to perform inspectionor maintenance.• Never use gasoline, benzine, thinner, alcohol or thelike. Discoloration, deformation or cracks mayresult.To maintain product SAFETY and RELIABILITY, repairs,carbon brush inspection and replacement, any othermaintenance or adjustment should be performed byMakita Authorized Service Centers, always using Makitareplacement 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• Core bit• Bull point• Diamond core bit• Cold chisel• Scaling chisel• Grooving chisel• 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 chuckNOTE:• Some items in the list may be included in the toolpackage as standard accessories. They may differfrom country to country.