Brass guide bushings , how tight should the back ring be ? - Router Forums
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post #1 of 13 (permalink) Old 06-29-2014, 08:41 AM Thread Starter
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Default Brass guide bushings , how tight should the back ring be ?

Guys I was trying to make a template yesterday and I have an adaptor for my Festool router so now I can use those brass guide bushings , but I only tightened that brass ring that threads from in behind as tight as I could get it with my fingers and it backed off during use .
That brass ring does have a knurled perimeter so it lead me to believe it was supposed to be hand tightened . But I got out my channel locks and gave it an extra bit of a turn so it didn't happen a second time .
I was quite careful as I believe it would take next to nothing to elongate the ring under pressure with channel locks
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post #2 of 13 (permalink) Old 06-29-2014, 08:49 AM
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Strange I've only ever had to hand tighten but it depends on how much room you have to get your hand in there and of course how much strength you have in your hands. A senior for example may have more difficulty but if you proceed with small turns as you said you should be ok 1/8ths perhaps.

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post #3 of 13 (permalink) Old 06-29-2014, 09:31 AM
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Hard to measure, probably 3-5 inch-pounds.
But before routing test it against a high friction edge.
Back and forth; it must not loosen. You're wise to be concerned.
Lose a ring under power and there will be adversity.
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post #4 of 13 (permalink) Old 06-29-2014, 10:09 AM
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I put finger tight, but I have strong hands & fingers.

Papa Bob
Using a couple of old Craftsman routers & a Bosch 1617EVSPK & a Dewalt DWP611PK Routers in SW Louisiana.
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post #5 of 13 (permalink) Old 06-29-2014, 10:20 AM Thread Starter
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I put finger tight, but I have strong hands & fingers.
I'm a wuss ,explains everything lol
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post #6 of 13 (permalink) Old 06-29-2014, 10:22 AM Thread Starter
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Strange I've only ever had to hand tighten but it depends on how much room you have to get your hand in there and of course how much strength you have in your hands. A senior for example may have more difficulty but if you proceed with small turns as you said you should be ok 1/8ths perhaps.
Andy that's pretty much what I did . Just gave it that extra little turn as I suspected it was only supposed to be hand tight
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post #7 of 13 (permalink) Old 06-29-2014, 01:46 PM
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Have you ever had your template guide bushing vibrate loose while in the middle of a cut? With this new spring washer you won't have to worry about loosening bushings ever again. The 1- 3/16" O.D spring washer provides the perfect amount of resistance against the locking nut to keep your template guide bushing firmly locked in place.

Peachtree sells them
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post #8 of 13 (permalink) Old 06-29-2014, 03:26 PM Thread Starter
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Have you ever had your template guide bushing vibrate loose while in the middle of a cut? With this new spring washer you won't have to worry about loosening bushings ever again. The 1- 3/16" O.D spring washer provides the perfect amount of resistance against the locking nut to keep your template guide bushing firmly locked in place.

Peachtree sells them
Thanks John I'll look into that .
It's funny as even though I gave the collar a small extra twist I managed to break it loose with my hands
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post #9 of 13 (permalink) Old 06-29-2014, 05:28 PM
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As a 'senior', I admit I only ever hand tighten my brass rings.

The only time I have had one come loose was when I plunged the collet too far and it unwound the bushing.

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post #10 of 13 (permalink) Old 06-29-2014, 06:06 PM
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Also thought that feed direction may affect the locking.

Feed the correct way and the bushing is tightened, feed the wrong way and the bushing may come loose....

James
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