Reply by Burgoo

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Posted on Trunnion Bolts Very, Very Tight

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16 posts in 1342 days

#1 posted 03-01-2021 06:11 AM

That is excellent advice, thank you! It didn’t occur to me that those rods are involved with blade alignment, and if I had gotten them off I probably would have never figured out why everything was messed up when I put it all back together.

It’s proven to be more trouble than the possible benefit to take them off, especially since everything worked well to begin with—just a really bad squeak when lowering the blade (which, after dismantling most of the trunnion, I found that the pivot for the lowering arm had ZERO lubricant on it…and that looked like it hadn’t seen daylight since it left the factory!). I’m going to leave it together and the rust remover should still work ok.

When I got my first (used) table saw I took it apart as much as I could, but I couldn t get apart those trunnion rods. I put it all together after cleaning and some repair, and it has worked well for decades.

One of the trickiest adjustments to make on a contractor saw is to fix the problem of alignment of the blade with the miter slot changing when you tilt the blade. The problem is caused by getting those rods twisted compared to one another. I was very lucky to not be able to loosen them, since I wouldn t have known then how to get them properly adjusted.

So my advice is to leave them attached. If you have loosened them, use a piece of glass flat touching both rods to make sure they are parallel when you tighten.

- AlanWS

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