7OPERATIONFig.11CAUTION:• Always press the shoe firmly against the workpieceduring operation. If the shoe is removed or heldaway from the workpiece during operation, strongvibration and/or twisting will be produced, causingthe blade to snap dangerously.• Always wear gloves to protect your hands from hotflying chips when cutting metal.• Be sure to always wear suitable eye protectionwhich conforms with current national standards.• Always use a suitable coolant (cutting oil) whencutting metal. Failure to do so will cause prematureblade wear.Press the shoe firmly against the workpiece. Do notallow the tool to bounce. Bring the blade into lightcontact with the workpiece. First, make a pilot grooveusing a slower speed. Then use a faster speed tocontinue cutting.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 brushesFig.12Remove 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.Use a screwdriver to remove the brush holder caps.Take out the worn carbon brushes, insert the new onesand secure the brush holder caps.Fig.13To 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.• Recipro saw blades• Makita genuine battery and charger• Plastic carrying caseNOTE:• Some items in the list may be included in the toolpackage as standard accessories. They may differfrom country to country.