Need help with my DW 618 router. - Router Forums
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post #1 of 13 (permalink) Old 05-12-2016, 12:03 PM Thread Starter
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Default Need help with my DW 618 router.

When I tighten a bit in the collect "1/2 or 1/4 inch shaft" then loosen it the nut will make about one turn then tighten up again. I then have to use the wrench to get it over the rough spot then it comes off with no problem. I have cleaned and recleaned then used some Flitz and worked the nut back and forth. I don't have the problem with no bit in the collect. I have used more than one brand of bits and set the shaft at different levels.

Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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post #2 of 13 (permalink) Old 05-12-2016, 12:35 PM
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Yes, that is normal on most routers with tapered collets. That second tight spot is the collet nut pulling the taper away from the spindle...

Be careful of tightening the collet without a bit...it may damage the collet.

I'm sure others will chime in with a better/more technical answer...
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post #3 of 13 (permalink) Old 05-12-2016, 12:44 PM
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What Nick said, it's normal!! And no, you do not want to tighten without a bit in the collet. AND, don't slide the bit against it's shoulder and tighten the nut. Slide the bit in all the way and then back it out a little. I use a 1/4" or 1/2" (I.D.) o-ring (depending on size of shank) to keep it spaced out.
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post #4 of 13 (permalink) Old 05-12-2016, 12:57 PM Thread Starter
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Thanks guys!! It's always nice to hear a problem isn't a problem.

Great idea on the O- rings Lee.
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Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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post #5 of 13 (permalink) Old 05-12-2016, 02:35 PM
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This is how self releasing collets work Don. First they are loosened and then the nut causes the collet to spread so the bit slips out easily.

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post #6 of 13 (permalink) Old 05-12-2016, 02:44 PM
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Quote:
Originally Posted by hawkeye10 View Post
When I tighten a bit in the collect "1/2 or 1/4 inch shaft" then loosen it the nut will make about one turn then tighten up again. I then have to use the wrench to get it over the rough spot then it comes off with no problem. I have cleaned and recleaned then used some Flitz and worked the nut back and forth. I don't have the problem with no bit in the collect. I have used more than one brand of bits and set the shaft at different levels.
see if this helps...

.
Attached Files
File Type: pdf Collet_Maintenance.pdf (86.2 KB, 56 views)
File Type: pdf Guide to Router Collets.pdf (163.0 KB, 57 views)
File Type: pdf How a Collet Works.pdf (183.7 KB, 65 views)

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post #7 of 13 (permalink) Old 05-12-2016, 05:07 PM
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The manual should explain that in detail.
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post #8 of 13 (permalink) Old 05-12-2016, 05:28 PM Thread Starter
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Originally Posted by Quillman View Post
The manual should explain that in detail.
Pat I can't believe you said that. I almost never read manuals.
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Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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post #9 of 13 (permalink) Old 05-12-2016, 06:09 PM
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Probably should have read some of them
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post #10 of 13 (permalink) Old 05-12-2016, 06:48 PM
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I have a habit of getting a new tool and intentionally avoiding the manuals. I spend what I consider enough time to figure it out. For me this kinda helps fill that void between my ears on the new tool. Once I've figured it out or THINK I've figured it out, I go to the manual to check and see if I was right/wrong or missed something. IIRC I spent a couple days on my LS17 and the PC4216 before breaking down and getting out the manuals *LOL*... I've got a Seiko Chronograph that is a prized piece of jewerly I got 18 years ago, still havn't figured it out, but its a damn fine looking watch

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