Makita BTD141A Owners Manual - Page 6
Operation
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Fastening torque Proper fastening torque To remove the bit, pull the sleeve in the direction of the arrow and pull the bit out firmly. NOTE: • If the bit is not inserted deep enough into the sleeve, the sleeve will not return to its original position and the bit will not be secured. In this case, try re-inserting the bit according to the instructions above. • When it is difficult to insert the bit, pull the sleeve and insert it into the sleeve as for as it will go. • After inserting the bit, make sure that it is firmly secured. If it comes out, do not use it. Hook (Accessory) 1. Hook 2. Screw 3 3. Groove 2 1 007521 The hook is convenient for temporarily hanging the tool. This can be installed on either side of the tool. To install the hook, insert it into a groove in the tool housing on either side and then secure it with a screw. To remove, loosen the screw and then take it out. OPERATION Standard bolt N m (ft lbs) 120 (87) 100 (72) M14 (9/16") 80 (58) M12 (1/2") (M14) 60 (9/16") (43) 40 M10 (3/8") (M12) (29) (1/2") M8 (5/16") 20 (14) (M10) (3/8") (M8) (5/16") 0 1.0 2.0 3.0 Fastening time (S) 006254 High tensile bolt N m (ft lbs) 120 (87) M12(1/2") 100 (72) 80 (58) (M12) (1/2") M10 (3/8") 60 (M10) (43) M8 (5/16") (3/8") 40 (29) (M8) 20 (5/16") (14) 006256 0 1.0 2.0 3.0 Fastening time (S) Fastening torque Proper fastening torque 008447 The proper fastening torque may differ depending upon the kind or size of the screw/bolt, the material of the workpiece to be fastened, etc. The relation between fastening torque and fastening time is shown in the figures. Hold the tool firmly and place the point of the driver bit in the screw head. Apply forward pressure to the tool to the extent that the bit will not slip off the screw and turn the tool on to start operation. NOTE: • Use the proper bit for the head of the screw/bolt that you wish to use. • When fastening screw M8 or smaller, carefully adjust pressure on the switch trigger so that the screw is not damaged. • Hold the tool pointed straight at the screw. • If you tighten the screw for a time longer than shown in the figures, the screw or the point of the driver bit may be overstressed, stripped, damaged, etc. Before starting your job, always perform a test operation to determine the proper fastening time 6