On Feb 12, 11:53*pm, "DoN. Nichols" wrote:
On 2010-02-12, oldjag wrote:

I Picked up a used Albrecht 1/8" to 5/8" chuck. *Seems to operate very
smoothly, but if you close it down to near 1/8", the jaws become
slack. *An internal acme type threaded screw moves the jaws in and
out, and when the chuck is set to less than about 0.135", it reaches
the end of it's engagement. *It's easy to reengage the screw, and it
works fine on larger diameters, but this seems wrong. *Is this normal
for this chuck?

* * * * It should not be.

* * * * * * * * *I have a 1/32" to 1/2" Albrecht and it does not have
this issue with drills below it's minimum, ie the jaw screw does not
disengage at it's min diam. setting. *Can it be adjusted or is the
screw damaged?

* * * * Is it possible that someone re-ground the jaws' mating surfaces
to deal with wear, and this results in them extending too far out?
Perhaps even someone put jaws for a 1/2" chuck in the 5/8" one?

* * * * Good Luck,
* * * * * * * * DoN.

--
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* * * * * *--- Black Holes are where God is dividing by zero ---

That's a thought, I'll have a look too see if they have been ground.
I think the jaws in the larger chuck look wider, but I need to verify.