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open the chuck jaws right up
down the center of the chuck you will see either a philips screw head or a hex head for allen key
hold the shaft at the base of the chuck to stop it from turning and undo the screw in the chuck in a right hand direction ( it is a left hand thread) when you have that out , still holding the shaft turn the chuck in the left hand direction ( normal thread ) and screw the chuck off
to assist in undoing the chuck do it up so that the jaws come out a bit
place something between the 3 jaws to act as a lever or use an allen key in the chuck done it tight and use that as a lever to undo the chuck
the secret is the lh thread screw in side the chuck which stops it from undoing when the drill is in reverse
If you open the chuck as far as it will go and look inside you may see
the head of a screw, especially if the drill is reversible. So undo the
screw and then you should be able to unscrew the chuck. But I am not
sure if it will be easy to unscrew. With a keyed chuck you use the key
and a hammer to unscrew the chuck.
open the chuck up as wide as possible . At the bottom of the chuck you will see a Phillips headed screw . AS this is a left handed thread screw it will you to turn it as it screwing it in to undo it. This is a lock screw that stops the chick undoing when in the reverse direction mode Once it is out then use the key in the hole and teeth and hit the key sideways sharply to unscrew the chuck of the drive shaft. Replacement is the reverse procedure. Do not loose the screw as replacement part is not available unless you have a junked drill that you can get it from
check the inside of the chuck at the bottom(open the chuck to max). There should be small screw there with either a hex or a Phillips head. It is a left hand screw that locks the chuck in place and will not let it unscrew when you are removing parts.. If it is not there then you will have to get one from an old drill that is junk unless you can get one from an electrical appliance shop the repairs drills.
Open the chuck fully and look inside, there should be a screw there that has to be removed to remove the chuck in view of the fact that it is a reversable drill and the chuck cannot be screwed off like a conventional inudirectional drill.
THE CHUCK SCREW IS EITHER A TORX BIT, POSSIBLE 20 TORX OR ITS A PHILIPS OR SLOTTED SCREW, REMEMBER THE SCREW IS LEFT HAND THREAD AND ALLOT OF THE TIMES IS LOCTITED IN SO IT DOESN'T UNSCREW WHEN THE ITEM IN THE CHUCK SLIPS AND RUBS ON THE TOP OF IT. IT SHOULD REMOVE FAIRLY EASY!! MAKE SURE WHEN REMOVING THE CHUCK THE TOOL IS IN LOW GEAR/ DRILL MODE OR YOU WILL FIGHT IT FOREVER AND POSSIBLY DOEING DAMAGE TO THE CLUTCH/TRANNY ASSY. THE CHUCK WILL UNSCREW STANDARD THREAD, SHOULD BE A 2 MINUTE PROSSES TO REMOVE THE CHUCK UNLESS ITS ON REALLY HARD. JIMS TOOL SERVICE
If you open the chuck as far as it will go and look inside you may see the head of a screw, especially if the drill is reversible. So undo the screw and then you should be able to unscrew the chuck. But I am not sure if it will be easy to unscrew. With a keyed chuck you use the key and a hammer to unscrew the chuck.
The screw mentioned in solution number one is a left hand thread once you have removed it use an allen hey in the hole the screw came out of as if undoing a normal right hand thread a scarp blow with a hammer may be neccesary. then do the opposite when installing new chuck
Hi there, the chuck will screw onto the spindle of the drill but there is also a screw to undo. Open the chuch out fully then look down the centre of the chuck and you will find a philips head. The thread on the screw is opposite to the normail way so instead of undoing to the left, undo to the right.there should be threadlock on the screw so may be abit tough for the first turn. Once removed a strong pair of grips and a good tug should then remove the old chuck, some are more orqard than others to remove so just keep trying.
Open the chuck fully and look down the centre and you will see a philips head for a screw the thread on this is opposite so instead of undoing to the left, undo to the right. There is will be a spot of threadlock on the screw so may be a tad tough the first turn, Once removed unscrew the chuck from the spindle of the drill, you may need a good pair of grips or a vice for this as some get very well stuck on! I hope this helps
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