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chuck removal from speed reducer

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sparky mike	04/01/2021 15:06:41
259 forum posts 77 photos	I have a Mason Master drill speed reducer and I wish to remove the chuck, a Jacobs Multicraft M6CG61. Having a problem shifting it. Are these screwed on or tapered ? Mike.
John Rudd	04/01/2021 15:10:09
1479 forum posts 1 photos	Screwed on..... I currently have one disassembled... That is how I know. Edited By John Rudd on 04/01/2021 15:11:15
sparky mike	04/01/2021 15:14:52
259 forum posts 77 photos	Thanks John, Thought it might be but was not sure. How did you remove it ? Mike..
Brian Morehen	04/01/2021 15:25:29
191 forum posts 11 photos	Close the chuck jaws up Fit the chuck key as if you where using some to tighten hold the wheel and give the chuck key a sharp tap job done chuck loosened. Regards Bee M
sparky mike	04/01/2021 16:39:04
259 forum posts 77 photos	It is now removed. Thanks for info above. A chuck key did not work, but a good sized allen key tightened in the chuck jaws and then a good hit on that did work. 3/8 UNF thread. I can now turn up a tapered mandrel with that size thread on other end to fit the small lathe I am restoring. Mike.
Howard Lewis	04/01/2021 16:55:33
7227 forum posts 21 photos	Thanks for telling us that you have succeeded, and what thread to expect! Howard

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