vibration causing router to 'drop' - Router Forums
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post #1 of 4 (permalink) Old 06-27-2011, 09:31 PM Thread Starter
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First Name: Rob
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Default vibration causing router to 'drop'

New guy here:

I've got a Craftsman 28180 9.5 amp 1-3/4 hp fixed base combo router/table. When I fire it up, the vibration causes the fine adjustment knob to spin and gravity causes the router (and consequently, the bit) to drop.

I believe there is an allen wrench that can be inserted through a hole in the table to lock this down. Anybody know what size/length of allen wrench I need to do this?

Or any other ideas?
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post #2 of 4 (permalink) Old 06-28-2011, 12:08 AM
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Welcome, I have a Craftsman router about 3 years old and it kinda does the same thing, it does not drop but will loosen and slip down ever so slightly when routing a few pieces, needless to say it is now a spare

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post #3 of 4 (permalink) Old 06-28-2011, 03:45 AM
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I think you will find this is a common happening in table routing, so therefore the plunge lock should be applied before switching on, I know this does not apply to your fixed base application, but, i thought I should mention it.

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post #4 of 4 (permalink) Old 06-30-2011, 03:57 PM
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I have the Craftsman, and I had the aluminum table. It sounds like I may have had the same problem! I now have a heavy table that I built and the problem is non existent ! It may be a worse condition that You have had. However, If Your's was as bad as to have adjustments to loosen, the router may have a bent shaft, or some foreign material inside of the router case, causing the problem.

John 3:16

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