- 7 -.ASSEMBLYAttaching or removing bitNOTE:When attaching or removing a bit,disconnect battery pack from tool orplace the switch in the center posi-tion (switch lock).This tool is equipped with a keylessdrill chuck.1. AttachmentInsert the bit and turn the lock collarclockwise (looking from the front) totighten firmly until it stops clicking.Lock collar2. RemovalTurn the lock collar counterclockwise(looking from the front), then removethe bit.3. StorageKeep the bit in bit holder when not inuse.Remove the battery pack to exposethe bit storage compartment insidethe handle housing.Bits up to 50 mm( 1 - 3 1 / 3 2 i n c h )long can be storedhere.NOTE:If excessive play occurs in the chuck,secure the drill in place and openthe chuck jaws by turning the lockcollar and tighten the screw (left-handed screw) with a screwdriver byturning it counterclockwise (viewedfrom the front).Attaching or removingbattery pack1. To connect the battery pack:Insert the battery pack. It snaps intoplace to indicate proper connection.2. To remove the battery pack:Press the two buttons on the sidesof the battery pack. Slide the batterypack out of the tool body.Support handlePlace the support handle at yourfavorite position and tighten the han-dle securely.Loosen TightenRemove the handle when placing thetool in the storage case..OPERATIONSwitch Operation1. The speed increases with the amountof depression of the trigger. Whenbeginning work, depress the triggerslightly to start the rotation slowly.2. A feedback electronic controller isused to give a strong torque even inlow speed.3. The brake operates when the triggeris released and the motor stops imme-diately.NOTE:When the brake operates, a brakingsound may be heard. This is normal.Forward / Reverse leverOperation(Forward ( ), Switch lock, Reverse ( ))