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Forum topic by Britt T Kelch posted 06-24-2010 05:06 PM 1046 views 0 times favorited 5 replies Add to Favorites Watch
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Britt T Kelch

6 posts in 2392 days


06-24-2010 05:06 PM

Topic tags/keywords: tablesaw help tablesaw hitachi

my tablesaw is .90 out of square at the front of the blade. I have tried to loosen and hit the trunions with a board this did not work. can the table get out of square? this problem started when I read an article on tuning up your table saw it was out at this point about .04 but had to get it on the nutz.Do any of you have any suggestions as I cannot use it the way it is. The saw is a Hitachi 10” hybrid.

-- Britt,Davenport,NewYork


5 replies so far

View Uncle_Salty's profile

Uncle_Salty

183 posts in 2540 days


#1 posted 06-25-2010 12:19 AM

Out of square with what? The front or rear edge of the saw, or not parallel with the miter slots?

Personally, I don’t really care if the blade is out of whack with the front or rear of the saw. Doesn’t really have an effect on the operation of the saw (as long as the fence rails are properly adjust to allow for this imperfection). Much more importantl, IMHO, is the blades relationship with the miter slots.

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Britt T Kelch

6 posts in 2392 days


#2 posted 06-25-2010 01:49 AM

This is off the miter slots I have tried to move the trunsions but cant get it even close.

-- Britt,Davenport,NewYork

View GregD's profile

GregD

783 posts in 2603 days


#3 posted 06-25-2010 02:24 AM

Is it that you can’t get the alignment to change at all? Or is it that the alignment changes too much when you try to adjust it and you can’t make an improvement.?

Not sure whether your hybrid is like a cabinet saw – where the trunions and table are attached to the cabinet separately so you only loosen/adjust the table, or like a contractor saw where the trunions attach directly to the table top.

The usual procedure on a contractor-style saw is to loosen – no more than necessary – 3 of the 4 bolts leaving one of the front bolts tight or mostly tight. Then its a matter of bumping the back end of the trunions one way or the other until the alignment is good, then tighten the loose bolts a bit. Tightening the bolts usually causes the alignment to shift a bit, so you need to bump the trunions back into place, tighten a bit more, and repeat until the bolts are tight. I suppose its possible that the trunions in the back are as far in the direction that you need to move them as the bolt holes will allow, in which case you’d have to bump the front of the trunions in the opposite direction a bit.

I did have a bit of trouble figuring out how to bump the trunion on my contractor saw to get it to move. You know if you take all 4 bolts out the trunion/arbor assembly will fall off, so at some point short of that it should be loose enough to move. I bought/installed a PALS to make it easier.

-- Greg D.

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Britt T Kelch

6 posts in 2392 days


#4 posted 06-25-2010 04:47 AM

GregD
Thank-you for the advice I will try and try again until (1) I fix the problem or (2) screw it up as it will never be fixed.
Thank-you
Britt T Kelch ( The woodbutcher)

-- Britt,Davenport,NewYork

View GregD's profile

GregD

783 posts in 2603 days


#5 posted 06-25-2010 05:09 AM

You might have to take a couple of runs at it, but its pretty likely you’ll get it figured out. And your saw will cut better when its aligned better.

-- Greg D.

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