6Let a hot battery cartridge cool down beforecharging it.4. Charge the Nickel Metal Hydride batterycartridge when you do not use it for more thansix months.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 cartridge12005600• Always switch off the tool before insertion orremoval of the battery cartridge.• To remove the battery cartridge, withdraw it fromthe tool while pressing the buttons on both sides ofthe cartridge.• 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 not, it mayaccidentally fall out of the tool, causing injury toyou or someone around you.• Do not use force when inserting the batterycartridge. If the cartridge does not slide in easily, itis not being inserted correctly.Switch action1005601CAUTION:• Before inserting the battery cartridge into the tool,always check to see that the switch triggeractuates properly and returns to the "OFF" positionwhen released.To start the tool, simply pull the switch trigger. Toolspeed is increased by increasing pressure on the switchtrigger. Release the switch trigger to stop.Reversing switch action11A B005602This tool has a reversing switch to change the directionof rotation. 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.Speed change312005603To change the speed, first switch off the tool and thenslide the speed change lever to the "2" side for highspeed or "1" side for low speed. Be sure that the speedchange lever is set to the correct position beforeoperation. Use the right speed for your job.CAUTION:• Always set the speed change lever fully to thecorrect position. If you operate the tool with thespeed change lever positioned halfway betweenthe "1" side and "2" side, the tool may be1. Low speed2. High speed3. Speed changelever1. Reversingswitch lever1. Switch trigger1. Button2. Battery cartridge