Seized collet nut - Page 2 - Router Forums
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post #11 of 19 (permalink) Old 04-26-2020, 09:51 AM
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I have the same issue with my Bosch 1617 as Brian. I can tighten by hand a few turns then use the wrench for about a turn or so then more by hand until time to use wrenches to final tightness. As he said, no big deal it still works well.

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post #12 of 19 (permalink) Old 04-26-2020, 10:02 AM
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Quote:
Originally Posted by Danman1957 View Post
I have the same issue with my Bosch 1617 as Brian. I can tighten by hand a few turns then use the wrench for about a turn or so then more by hand until time to use wrenches to final tightness. As he said, no big deal it still works well.
it's suppose to do that...
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post #13 of 19 (permalink) Old 04-26-2020, 11:17 AM
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Originally Posted by sharka2014 View Post
Collet nut will not loosen or tighten. There is no router bit in the router. Been using this router regularly for about 3 years, never had an issue. I decided to order a new one as I am making cabinet doors for a customer. I will either fix it or send it in to be repaired and keep it as a back up. Maybe make a new router table. Thanks for the input.
Sharka let me see if I understand exactly what happened. You tried to tighten a bit in and it didn't hold it. The bit came out and you can't move the collet nut either direction and it is still on the router and stuck?

If that is the case then the only cause I can think of is that it is cross threaded. I would take the base off so that I can easily get at the bottom of the shaft. Then I would try hack sawing the collet nut on one side lengthways. That might damage the armature threads a little but not enough to ruin them. That will open the nut up enough to screw it off so that you can assess the damage. Damaged threads can often be chased with the same size threading die. If that's possible to be done then I would install a Musclechuck since it only gets screwed on once and never moves again. The recess for the cone on the MC must be in good shape too though otherwise you might get excessive run out.

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post #14 of 19 (permalink) Old 04-26-2020, 12:15 PM
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Are you installing your collet in the nut properly
Here is a video


Last edited by Semipro; 04-26-2020 at 12:25 PM.
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post #15 of 19 (permalink) Old 04-26-2020, 12:35 PM Thread Starter
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I never took the nut off, I only loosened it to change bits.
I had to use the offset wrench the entire time to loosen the nut. I assumed it got some dust in it and when I tightened it back down that would be the end of it.
When I got it to the point it was tight and secure I checked the bit and it pulled out of the collet. At that point I decided I better take the nut off and take a closer look.
It will not move in either direction at this point. So I don’t believe the nut is cross threaded. I make a lot of doors and change bits quite often. A quick google search reveals this has happened to a few others but no remedy for the issue. I will have a new one next week. In the meantime I can finish cutting all my door parts on the table saw, prime and sand. Thanks again
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post #16 of 19 (permalink) Old 04-26-2020, 12:48 PM
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Sharka; stating the obvious here, but it can only be an issue with the threads, either the nut or the armature. Have you tried saturating the threads with something like Liquid Wrench? Basically letting it soak for a couple of hours?
If there's crud packed in there, it needs to be softened, then flushed...be creative!
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post #17 of 19 (permalink) Old 04-26-2020, 01:15 PM
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You mentioned the grommet is nowhere to be found...maybe it's playing hid n seek with you in the collet nut threads...?

It depends on the feel of the collet nut when you try to move it...is it "hard" as in two pieces of metal jammed together...? Or does it have a "spongy" feel to it and it doesn't move...?

If need be, you might be able to take a Dremel to the nut and slice it on one side, then spread it with a screwdriver (as Cherryville suggested above).
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post #18 of 19 (permalink) Old 04-26-2020, 01:17 PM
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Or a multitool, or die grinder.
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post #19 of 19 (permalink) Old 04-26-2020, 01:57 PM
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Quote:
Originally Posted by Stick486 View Post
it's suppose to do that...
Say what!? I know you have an explanation for this, Stick...I’m listening.

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