Reply by Lazyman

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Posted on Delta 36-725 fence WOBBLE

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2703 posts in 1625 days

#1 posted 11-11-2016 10:33 PM

I just went out and looked at my fence. When locked down, I can only flex the fence about 3 thousandths of an inch one direction and 5 the other , measured at the back of the fence, with more than what I would consider moderate pressure. I cannot see anything in the way my fence is made that would allow it to flex 1/8” unless there is a broken weld or something loose. Where exactly does it flex or move? Does the entire fence including the T move? When you press on the side at the back can you see the T that locks against the front rail move? If so, try sliding some sort of shim between the cam and the fence to see if that makes it tighter.

At the risk of insulting your intelligence (not my intent) I will just throw out the obvious things that come to mind:
- You might try redoing the adjustment that squares the fence to the blade. Tightening them (nearly) all the way down will make the fence tighter when it is locked and then back off the one needed to make it square. Make sure that they didn’t forget to install the plastic (UHMW?) pads that prevent metal on metal contact between the T and the rail. There is one between the locking cam and the rail too.
- Is it possible that the bolts that hold on the extruded aluminum sides aren’t tight or the sides themselves are warped and flexing while the center stays rigid? Make sure they aren’t over tightened causing the sides to distort and flex away from the center. (You might need them to send you a new fence or at least new sides in this case)
- Make sure that the front rail doesn’t flex or move at all and that you used the right bolts for the front and back rails. I seem to recall that at least some of the bolts on the back rail are different than the ones used to attach the front rail.

If none of that works, I think your only remedies are to contact Delta customer support or return the saw.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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