12 ENGLISHTo install the driver bit, insert it into the sleeve as far asit will go.1 2► 1. Driver bit 2. SleeveTo remove the driver bit, pull the sleeve in the directionof the arrow and pull the driver bit out.NOTE: If the driver bit is not inserted deep enoughinto the sleeve, the sleeve will not return to its originalposition and the driver bit will not be secured. In thiscase, try re-inserting the bit according to the instruc-tions above.NOTE: When it is difficult to insert the driver bit, pullthe sleeve and insert it into the sleeve as far as it willgo.NOTE: After inserting the driver bit, make sure that itis firmly secured. If it comes out, do not use it.Installing hookCAUTION: When installing the hook, alwayssecure it with the screw firmly. If not, the hookmay come off from the tool and result in the personalinjury.321► 1. Groove 2. Hook 3. ScrewThe hook is convenient for temporarily hanging the tool.This can be installed on either side of the tool. To installthe hook, insert it into a groove in the tool housing oneither side and then secure it with a screw. To remove,loosen the screw and then take it out.OPERATIONThe proper fastening torque may differ depending uponthe kind or size of the screw/bolt, the material of theworkpiece to be fastened, etc. The relation between fas-tening torque and fastening time is shown in the figures.Proper fastening torque for standard boltN•m(ft•lbs)M14(9/16")M12(1/2")M10(3/8")M8(5/16")M16(5/8")M14(9/16")M12(1/2")M10(3/8")M8(5/16")M16(5/8")140(101)120100806040200 1212(87)(72)(58)(43)(29)(14)1. Fastening time (second) 2. Fastening torque