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[tooljoe]

my suggestion is to grind a little off the tip of the screw... my guess would be that the screw is a hair too long and not allowing it to tighten down... that or add a washer, with a big enough hole for the screw and small enough to fit in the chuck... IMO.

EDIT: i just noticed that this chuck does not have a screw to lock it in.

[cirial]

@tooljoe, thanks for the suggestion but this is the stock chuck for the DCD950.

@dewaltdude, I let the thread locker dry the first time I installed it for a few days. However at that time just applied a small amount on the base of the spindle where the chuck attaches. Used the drill only a handful of times before it fell off trying to extract a rather stubborn screw from concrete. Now that I've applied a rather liberal amount of thread locker red to the threads and it's dried for several days I may go back and see if I can get that screw out without it falling off again...

What a headache!

[giavra]

Quick question:

I have read the Rohm chuck should never be opened or closed by using the drill itself, rather only hand-tighten the chuck with the spindle locked.  Is this true?  I never had a problem with my DC927 chuck until I lent my drill to a friend and he used the drill motor to tighten the chuck onto a bit.  Afterwards the chuck would lose it's grip if I tried to free a stuck bit in reverse.  Never had that issue prior.  Now I have bought a 700 Jacobs chuck to replace the old Rohm, and I won't lend out my $300 drill again.

Thanks,

Jeff





I have never heard of using the motor to open or close the chuck being a problem.  I will not go so far as to say what is the proper way to use it, but I always (as in EVERY time) use the motor to tighten or loosen my chuck.

Yes it does exist in some manufactures key less chuck ,Metabo chuck does this to prevent the chuck from destroy it and you must then open the key less chuck removing the safety clutch behind the chuck and loose the chuck.