4FUNCTIONAL DESCRIPTIONCAUTION:• Always be sure that the tool is switched off andunplugged before adjusting or checking function onthe tool.Switch action123003019CAUTION:• Before plugging in the tool, always check to seethat the switch trigger actuates properly andreturns to the "OFF" position when released.• Change the direction of rotation only when the toolcomes to a complete stop. Changing it before thetool stops may damage the tool.The switch is reversible, providing either clockwise orcounterclockwise rotation. To start the tool, simply pullthe lower part of the switch trigger for clockwise or theupper part for counterclockwise. Release the switchtrigger to stop.Speed change12003030To change the speed, pull the pin and slide the button tothe "L" position for low speed or the "H" position for highspeed. If the button does not slide easily, turn the chuckslightly in either direction while sliding the button.ASSEMBLYCAUTION:• Always be sure that the tool is switched off andunplugged before carrying out any work on thetool.Spade gripThe spade grip can be installed in either of the positionsas shown in the figure. To change the location of thespade grip from one position to the other, loosen the hexbolts with a wrench and turn the spade grip to anotherposition. Then tighten the hex bolts securely.12003038003039Installing or removing drill bit1003051To install the bit, place it in the chuck as far as it will go.Tighten the chuck by hand. Place the chuck key in eachof the three holes and tighten clockwise. Be sure totighten all three chuck holes evenly.To remove the bit, turn the chuck key counterclockwisein just one hole, then loosen the chuck by hand.OPERATIONHolding toolCAUTION:• This is a powerful tool. High torque is developedand it is important that the tool should be securelyheld and properly braced.1. Chuck key1. Spade grip2. Hex. bolt1. Pin2. Slide button1. Counterclockwise2. Switch trigger3. Clockwise