7M10M8806040200(204)(408)(816)(612)1.0 2.0 3.0High tensile boltN m(kgf.cm)M10M8(S)Fastening timeFastening torqueProper fastening torque.100(1020)009620Hold the tool firmly and place the point of the driver bit inthe screw head. Apply forward pressure to the tool to theextent that the bit will not slip off the screw and turn thetool on to start operation.NOTE:• Use the proper bit for the head of the screw/boltthat you wish to use.• When fastening screw M8 or smaller, carefullyadjust pressure on the switch trigger so that thescrew is not damaged.• Hold the tool pointed straight at the screw.• If you tighten the screw for a time longer thanshown in the figures, the screw or the point of thedriver bit may be overstressed, stripped, damaged,etc. Before starting your job, always perform a testoperation to determine the proper fastening time foryour screw.The fastening torque is affected by a wide variety offactors including the following. After fastening, alwayscheck the torque with a torque wrench.1. Driver bit or socket bitFailure to use the correct size driver bit or socketbit will cause a reduction in the fastening torque.2. Bolt• Even though the torque coefficient and theclass of bolt are the same, the proper fasteningtorque will differ according to the diameter ofbolt.• Even though the diameters of bolts are thesame, the proper fastening torque will differaccording to the torque coefficient, the class ofbolt and the bolt length.3. The manner of holding the tool or the material ofdriving position to be fastened will affect the torque.4. Operating the tool at low speed will cause areduction in the fastening torque.MAINTENANCECAUTION:• 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.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.Use a screwdriver to remove the brush holder caps. Takeout the worn carbon brushes, insert the new ones andsecure the brush holder caps.12009760To 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.1. Screwdriver2. Brush holder cap1. Limit mark