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Need help swapping out chucks onn my Delta drill press....

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Forum topic by thomasfurman posted 02-12-2017 07:54 PM 1178 views 0 times favorited 4 replies Add to Favorites Watch
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thomasfurman

22 posts in 331 days


02-12-2017 07:54 PM

I have a vintage Delta 14” drill press…I believe it is a DP220.

It came with a puny 1/4” Jacobs chuck (number 7).

I took a piece of wood and smacked the top of the chuck and ONLY THE CHUCK CAME OFF. The arbor is still tight in the spindle.

Now If I can just buy a bigger chuck that fits the spindle that’d be great….but I can’t find out what size arbor it is. So my question is….

How can I find out what sized arbor I have, or how can I get the arbor out of the spindle now?

Here is a pic I found on the web of the same chuck…I’m assuming it to be the same sized arbor as well.


4 replies so far

View Fred Hargis's profile

Fred Hargis

4756 posts in 2327 days


#1 posted 02-12-2017 09:08 PM

If you strike out here, you might ask over at OWWM…those guys know their stuff.

-- Our village hasn't lost it's idiot, he was elected to congress.

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MrUnix

5978 posts in 2032 days


#2 posted 02-12-2017 09:31 PM

Not sure what DP you have, but that is most likely a JT33 taper the chuck fits on (DP-42 is a Jacobs chuck). The taper should be part of the spindle and not separate from it. If you want to change it, you change out the spindle itself (instructions can be found here).

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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papadan

3584 posts in 3202 days


#3 posted 02-13-2017 04:43 AM

Open your old chuck completely. look inside and see if there is a screw head. If so unscrew the chuck from the shaft. (left hand threads) reuse the shaft by screwing on a new chuck.

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thomasfurman

22 posts in 331 days


#4 posted 02-16-2017 02:11 AM

Well it looks like I have some bizarre Jacobs 2 SHORT arbor….which they don’t even make new chucks for….gross

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