5Tips for maintaining maximum battery life1. Charge the battery cartridge beforecompletely discharged.Always stop tool operation and charge thebattery cartridge when you notice less toolpower.2. Never recharge a fully charged batterycartridge.Overcharging shortens the battery service life.3. Charge the battery cartridge with roomtemperature at 10 ゚ C - 40 ゚ C (50 ゚ F - 104 ゚ F).Let a hot battery cartridge cool down beforecharging it.FUNCTIONAL DESCRIPTIONCAUTION:• Always be sure that the tool is switched off and thebattery cartridge is removed before adjusting orchecking function on the tool.Installing or removing battery cartridgeFig.1• Always switch off the tool before insertion orremoval of the battery cartridge.• To remove the battery cartridge, withdraw it fromthe tool while sliding the button on the front of thecartridge.• To insert the battery cartridge, align the tongue onthe battery cartridge with the groove in the housingand slip it into place. Always insert it all the wayuntil it locks in place with a little click. If you can seethe red part on the upper side of the button, it is notlocked completely. Insert it fully until the red partcannot be seen. If not, it may accidentally fall out ofthe tool, causing injury to you or someone aroundyou.• Do not use force when inserting the batterycartridge. If the cartridge does not slide in easily, itis not being inserted correctly.Switch actionFig.2CAUTION:• Before inserting the battery cartridge into the tool,always check to see that the switch trigger actuatesproperly and returns to the "OFF" position whenreleased.To start the tool, simply pull the switch trigger. Tool speedis increased by increasing pressure on the switch trigger.Release the switch trigger to stop.Lighting up the front lampFig.3CAUTION:• Do not look in the light or see the source of lightdirectly.Pull the switch trigger to light up the lamp. The lampkeeps on lighting while the switch trigger is being pulled.The light automatically goes out 10 - 15 seconds after theswitch trigger is released.NOTE:• Use a dry cloth to wipe the dirt off the lens of lamp.Be careful not to scratch the lens of lamp, or it maylower the illumination.Reversing switch actionFig.4This tool has a reversing switch to change the direction ofrotation. Depress the reversing switch lever from the Aside for clockwise rotation or from the B side forcounterclockwise rotation.When the reversing switch lever is in the neutral position,the switch trigger cannot be pulled.CAUTION:• Always check the direction of rotation beforeoperation.• Use the reversing switch only after the tool comesto a complete stop. Changing the direction ofrotation before the tool stops may damage the tool.• When not operating the tool, always set thereversing switch lever to the neutral position.ASSEMBLYCAUTION:• Always be sure that the tool is switched off and thebattery cartridge is removed before carrying outany work on the tool.Installing or removing driver bit or socket bitFig.5Use only bits that has inserting portion shown in thefigure.For tool with shallow bit holeA=12mmB=9mmUse only these type of bit. Follow theprocedure (1).(Note) Bit-piece is not necessary.006348For tool with deep bit holeTo install these types of bits, followthe procedure (1).To install these types of bits, followthe procedure (2).(Note) Bit-piece is necessary forinstalling the bit.A=17mmB=14mmA=12mmB=9mm011405