I bought a used Powermatic 64A contractor type table saw.
It is in great shape and I love using it.
The question is -- I noticed when cleaning / waxing the top that the
two cast iron extention wings seem to not be perfectly flat with the
top of the saw. The wings are flat but they start flush at the saw table and slope downward a little bit. Placing a staight edge across the table reveals that the edge of the wing is 1/16 of a inch or so below the surface of the table.
Is this by design?? or is this just a manufacturing tolerance??
I could try to shim the lower edge of the wing where it mounts to bring it up flush but was wondering if this slight slope was intentional.
You are getting good at this rebuild task and want to start another project hun.
Shim stock to get an extension on straight is not that uncommon. Just one of the things you have to do with stuff that is made off shore. The lower priced tools can be made to work fine. You just need to assume that instead of money you are spending time. The PM64 us a good contractors saw, But, it is more like a Jet than the true Powermatic old line tools like the PM66.
Take your time get it setup right and you will have a very nice saw that will last a long time.
I have the same saw and my wings are a bit higher at the outside instead of lower like yours. I don't know exactly how much higher but you can only tell with a straight-edge. Still I have shim material but haven't used it yet. It doesn't affect the cut at all. When I get around to building my TS cabinet for the saw, I'll take it apart and shim it all up. But for now, it works great.