8 ENGLISHASSEMBLYCAUTION: Always be sure that the tool isswitched off and the battery cartridge is removedbefore carrying out any work on the tool.Installing or removing driver bit/drill bitOptional accessory132► 1. Sleeve 2. Close 3. OpenTurn the sleeve counterclockwise to open the chuckjaws. Place the driver bit/drill bit in the chuck as faras it will go. Turn the sleeve clockwise to tighten thechuck. To remove the driver bit/drill bit, turn the sleevecounterclockwise.Installing hook132► 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.Installing driver bit holderOptional accessory12► 1. Driver bit holder 2. Driver bitFit the driver bit holder into the protrusion at the tool footon either right or left side and secure it with a screw.When not using the driver bit, keep it in the driver bitholders. Driver bits 45 mm-long (1-3/4") can be keptthere.OPERATIONCAUTION: Always insert the battery cartridgeall the way until it locks in place. If you can see thered indicator on the upper side of the button, it is notlocked completely. Insert it fully until the red indicatorcannot be seen. If not, it may accidentally fall out ofthe tool, causing injury to you or someone aroundyou.CAUTION: When the speed comes downextremely, reduce the load or stop the tool toavoid the tool damage.Hold the tool firmly with one hand on the grip and theother hand on the bottom of the battery cartridge tocontrol the twisting action.