8sleeve as far as it will go. The bit-piece should beinserted into the sleeve with its pointed end facingin. Then release the sleeve to secure the bit.1 2 3004347To remove the bit, pull the sleeve in the direction of thearrow 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 andthe bit will not be secured. In this case, tryre-inserting the bit according to the instructionsabove.Hook (Accessory)231006251CAUTION:• When installing the hook, tighten the screw firmly.Failure to do so may cause the breakage of the toolor personal injury.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 toolhousing on either side and then secure it with a screw. Toremove, loosen the screw and then take it out.OPERATIONCAUTION:• Always insert the battery cartridge all the way until itlocks in place. If you can see the red part on theupper side of the button, it is not locked completely.Insert it fully until the red part cannot be seen. If not,it may accidentally fall out of the tool, causing injuryto you or someone around you.Impact driver operationWhen driving wood screws or bolts. set the action modechanging lever to the mark. The adjusting ring can beplaced at any position.ScrewdrivingHold 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.007411Tightening boltsThe proper fastening torque may differ depending uponthe kind or size of the screw/bolt, the material of theworkpiece to be fastened, etc. The relation betweenfastening torque and fastening time is shown in thefigures.12010080604020Standard boltN mFastening torqueFastening time S)Proper fastening torque(ft lbs)(87)(72)(58)(43)(29)(14)(0 1.0 2.0 3.0M14(9/16")M12(1/2") (M14)M10(3/8")(M12)M8(5/16")(M10)(M8)0(9/16")(1/2")(3/8")(5/16")0073171. Hook2. Screw3. Groove1. Bit2. Bit-piece3. Sleeve