Delta contractor's saw alignment question

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Forum topic by greatview posted 07-27-2010 06:05 PM 2299 views 1 time favorited 3 replies Add to Favorites Watch
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131 posts in 3155 days

07-27-2010 06:05 PM

Topic tags/keywords: table saw alignment question

I’ve been trying to get the blade aligned but am running into a problem. I bought the PALS kit and it helps but doesn’t solve my problem. The rear of the blade (outfeed side) is slightly closer to the fence than the infeed side causing burning, especially on cherry. I use a dial indicator in the miter slot and the fence is dead on but I cannot get the blade correct. I think that the trunion holes don’t have enough clearance. I’ve tried to push the front trunion all the way to the left (from the rear) and find that I still cannot get the alignment. The left PALS adjusting screw is tight and really cannot push the trunion any further. (The other PALS screw has been backed off, the rear trunion bolts are loose, the front has been both loose and tight and one side loose.)

It seems as if I need to open the holes on the front trunion as the rear PALS screw is about all the way in. Any hints on removing the front trunion? I guess I’ve got to remove everything.

Any other thoughts?

-- Tom, New London, NH

3 replies so far

View Mark Shymanski's profile

Mark Shymanski

5621 posts in 3710 days

#1 posted 08-06-2010 06:04 AM

A while back I set up my TS for the first time (based on what I read hear on LJs!) and discovered that I needed to clean out the accumulated dust from the previous 6 years of use. After that I could more readily, and more effectively, adjust for square, parallel and perpendicular. Can’t really offer any specific advice on your saw except to perhaps give it a good cleaning?

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

View BobLoblaw's profile


13 posts in 2909 days

#2 posted 08-06-2010 07:39 AM

I had a similar experience with my PM64. Look under the saw and locate the 2 long bars that “join” the front and rear trunions. Those bars should be parallel and co-planar to each other. To check for this, I laid a small board (known flat & square, a mirror or piece of glass will work, too) across both of the bars, then checked for “wobble” at the board. Mine were not co-planar by ~1/16” or so.

To adjust, you need to loosen the screws for those bars (mine were located at the ends of the bars, at the rear of the saw) and twist the bar assembly until the board lays flat, with no wobble. Tighten the end bolts carefully, then carry on with squaring up the blade with you PALS adjusters.

Delta will probably email you a PDF of the above procedure, if you request one.

Good luck and let us know how it went- the difference was HUUUGE for my saw.

Here’s a link to the blog entry that helped me out: linky.

View ajosephg's profile


1880 posts in 3558 days

#3 posted 08-06-2010 01:13 PM

I had the same problem and had to completely remove the trunnion and elongate the trunnion mounting holes.

Another thing to check before you do that is that the trunnion mounting washers may have bent into the trunnion slots. Solution: Replace with hardened washers.

-- Joe

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