Makita BTD130F Instruction Manual

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Makita BTD130F Instruction Manual Manual pdf 8 page image

8The fastening torque is affected by a wide variety offactors including the following. After fastening, alwayscheck the torque with a torque wrench.1. When the battery cartridge is discharged almostcompletely, voltage will drop and the fastening torquewill be reduced.2. Driver bit or socket bitFailure to use the correct size driver bit or socket bitwill cause a reduction in the fastening torque.3. Bolt• Even though the torque coefficient and the class ofbolt are the same, the proper fastening torque willdiffer according to the diameter of bolt.• Even though the diameters of bolts are the same,the proper fastening torque will differ according tothe torque coefficient, the class of bolt and the boltlength.4. The manner of holding the tool or the material ofdriving position to be fastened will affect the torque.5. Operating the tool at low speed will cause a reductionin the fastening torque.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 or thelike. Discoloration, deformation or cracks may result.Replacing carbon brushesReplace when they wear down to the limit mark. Keep thecarbon brushes clean and free to slip in the holders. Bothcarbon brushes should be replaced at the same time. Useonly identical carbon brushes. (Fig. 10)Use a screwdriver to remove two screws then remove therear cover. (Fig. 11)Raise the arm part of the spring and then place it in therecessed part of the housing with a slotted bit screwdriverof slender shaft or the like. (Fig. 12)Use pliers to remove the carbon brush cap of the carbonbrushes. Take out the worn carbon brushes, insert thenew ones and replace the carbon brush cap in reverse.(Fig. 13)Make sure that the carbon brush cap have fit into theholes in brush holders securely. (Fig. 14)Reinstall 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, alwaysusing 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 attachments mightpresent a risk of injury to persons. Only use accessoryor attachment for its stated purpose.If you need any assistance for more details regardingthese accessories, ask your local Makita Service Center.• Screw bits• Hook• Plastic carrying case• Various type of Makita genuine batteries and chargers• Bit pieceNOTE:• Some items in the list may be included in the toolpackage as standard accessories. They may differ fromcountry to country.