Power miter saw moves when tighten table lock - Router Forums
 
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post #1 of 6 (permalink) Old 06-20-2014, 12:40 PM Thread Starter
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Default Power miter saw moves when tighten table lock

I have a 10" power compound miter saw that moves to the right when I tighten the table lock. Even when I have the table positively locked into one of the preset table angles.

Here is a parts diagram URL to see more details about the lock: http://c.searspartsdirect.com/lis_pn...0341-00001.png

Any advice on how to lock down the table without having it turn would be appreciated.

Jim
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post #2 of 6 (permalink) Old 06-20-2014, 02:57 PM
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Quote:
Originally Posted by jmoore65 View Post
I have a 10" power compound miter saw that moves to the right when I tighten the table lock. Even when I have the table positively locked into one of the preset table angles.

Here is a parts diagram URL to see more details about the lock: http://c.searspartsdirect.com/lis_pn...0341-00001.png

Any advice on how to lock down the table without having it turn would be appreciated.

Jim
That looks like the same design as my old Rigid CMS. It used to do that. The handle screws against a plate which then presses that plate against the turntable to lock it. The problem was that the end of the tightening handle bolt that threads in was flat, where it pushed against that plate, which also had a flat surface. When I tightened it, it had a tendency to shift when those two surfaces were meshing together.

How I fixed (mod'ed) mine was to turn out the handle that locks until it was completely out. Then I made a longer handle with a better grip. The screw-in section of that, I made from all-thread. I champhered the end into a "point." I drilled a small hole (not all the way through) for that point to center into. That kept that plate from shifting left-right. That made a world of difference with that saw.

I still have that saw, and use it for cutting studs for framing and what-not.

EDIT-- Looks like that saw has a pin at the end of that handle and a hole through that plate... but the plate may be worn where it goes through?

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Last edited by MAFoElffen; 06-20-2014 at 03:14 PM.
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post #3 of 6 (permalink) Old 06-20-2014, 04:02 PM
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I have the same issue with craftsman miter saw. Unfortunately I have found a way that resolve this with any degree of precision. Simply put, I have stopped using the saw for all but rough work. I got an incra miter gauge and built a good crosscut sled for the table saw, and now do all those cuts there.

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post #4 of 6 (permalink) Old 06-21-2014, 09:09 AM
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I agree with Mike. When you buy cheaper tools you get what you pay for. They will never do the quality work you desire. Save your money and buy fewer top end tools. Cheaper tools are never a bargain. IMO Sears has not had a quality power tool in at least 30 years. This is just my rant- others have different opinions!
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post #5 of 6 (permalink) Old 06-22-2014, 07:56 AM Thread Starter
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I've take the thing apart and gone through an adjustment and cleaning process. It looks like the miter lock has been overtightened and the clamping plate deformed.

I've removed the clamping plate and used a piece of bar steel as a temporary replacement. That seems to reduce the movement significantly.

I've ordered a replacement plate from Sears Parts Direct and will see if that solves the problem.

Re: tool quality - I bought this in 1998 for @$200. At the time, a mid-grade saw. For me, it was a good, available tradeoff between cost and my homeowner DIY tasks. I'll be more careful with the miter lock in the future.
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post #6 of 6 (permalink) Old 06-22-2014, 09:36 AM
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Hi Jim read the tool test on MITRE saws in fine wood working October 2006 by Andy Beasley, and form your own opinion I bought a Bosch and have never been sorry. carl

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