5For Model 64021004630This tool has a reversing switch to change the rotationaldirection. Move the reversing switch lever to the "FWD"position for clockwise (forward) rotation or the "REV"position for counterclockwise (reverse) rotation.CAUTION:• Always check the rotational direction beforeoperation.• Use the reversing switch only after the tool comesto a complete stop. It will damage the tool tochange the rotational direction before the toolstops.ASSEMBLYCAUTION:• Always be sure that the tool is switched off andunplugged before carrying out any work on thetool.Installing side grip (auxiliary handle)For Model DP47001004635CAUTION:• Always be sure that the side grip is installedsecurely before operation.Screw the side grip on the tool securely.Installing or removing drill bitFor tool with standard keyed chuck21004643To 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.After using the chuck key, be sure to return to theoriginal position.For tool with keyless chuck123004650Hold the ring and turn the sleeve counterclockwise toopen the chuck jaws. Place the bit in the chuck as far asit will go. Hold the ring firmly and turn the sleeveclockwise to tighten the chuck.To remove the bit, hold the ring and turn the sleevecounterclockwise.OPERATIONHolding toolFor Model DP4700Hold the tool firmly with one hand on the gripping part ofthe tool and the other hand on the side grip whenperforming the tool.Drilling operationDrilling in woodWhen drilling in wood, the best results are obtained withwood drills equipped with a guide screw. The guidescrew makes drilling easier by pulling the bit into theworkpiece.1. Tighten2. Sleeve3. Ring1. Tighten2. Chuck key1. Side grip1. Reversingswitch lever