SOURCE: drill chuck swap
1. Turn the screw clockwise to take it out.
2. Then you needs 3/8 allen key & insert the short side of the allen key & tighten the chuck.
3. hold the drill at the edge of the table & wack the allen key
counter clockwise & do it again as needed.
4. dewalt keyless chuck will fit but you might add a washer to insure the chuck is not rubbing the clutch collar.
5. putting it back together the other way.
SOURCE: Keyless chuck grip is stripped inside and the
second question first. No you cant just buy the grip, you have to buy a replacement chuck, shop around for best price, second you have to get the jaws opened up to remove, couple different ways, but first go to Dewaltservicenet.com and type in your model number for a parts explosion. Next if the grip is damaged can you put a pair of pliers on it and turn the collar to loosen it? the jaws have to be retracted to remove the chuck screw (LH threads), what you need to do now is put the drill in the drill only position and the tool in low range. Find a bent handle allen wrench and lock in the jaws, put the chuck on a bench or block of wood and wrench at about a 30 degree angle to strike it counter clockwise, you might have to hit a couple time but this will work. Let me know if I can help further.
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To remove the chuck on your drill follow the instructions for the type of drill chuck you have: Instructions for removing a keyed chuck Most reversing drills have a left hand threaded screw located inside the bottom of the chuck. 1.) If the unit has this screw place the chuck key, with the chuck facing toward you, into one of the holes on the right side of the chuck. Strike the key in a clockwise direction with a wooden mallet or similar object. This will loosen the screw inside the chuck. 2.) Open chuck jaws fully. Insert screwdriver into the bottom of the chuck to engage screw head. Remove screw by turning clockwise this is a left-hand screw. 3.) With the chuck facing toward you place the key into one of the holes on the left side of the chuck. Using a wooden mallet or similar object, strike the key sharply in a counter-clockwise direction. This will loosen the chuck so that it may be unscrewed by hand. There is no way to stop the motor from turning. It may require several attempts to loosen the chuck Instructions for removing a keyless chuck Most reversing drills have a left hand threaded screw located inside the bottom of the chuck. 1.) If the unit has this screw open chuck jaws fully. Insert screwdriver into the bottom of the chuck to engage screw head. Remove screw by turning clockwise this is a left-hand screw. 2.) Insert the short end of a 1/4" or larger hex Allen wrench into the chuck and tighten. Facing the tool strike the long end of the hex wrench sharply counter clockwise as it is a standard right hand thread. This will loosen the chuck so that it may be unscrewed by hand. There is no way to stop the motor from turning. It may require several attempts to loosen the chuck Instructions for removing a torqued chuck 1.) Tighten the chuck around the shorter end of a hex key (not supplied) of 1/4" (6.4mm) or greater size. 2.) Using a soft hammer, strike key sharply in a counterclockwise direction (when viewed from the front of the tool). This will loosen the chuck so that it can be unscrewed by hand. If for any reason you cannot remove your chuck we suggest getting your drill to your nearest Factory service center for further assistance. To find your nearest DEWALT Factory service center, Click here.
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