Patrick, maybe this will help some. To lower the beam, loosen the two bolts below the black arrow 1/4 turn to loosen the bracket they hold. As you loosen the third bolt directly below them, the beam will drop (and move away from the blade) due to the angle the beam is mounted. Use a one way or straight edge until the sliding table is ~level with the cast iron table. Once at the desired position, tighten the bolt indicated by the red arrow to take op the slack. If you need to raise the table, loosen the bolt indicated by the red arrow first, then tighten the third bolt below. Repeat on other end of the saw. Repeat until desired result is obtained.
The bolt (one on both ends of saw) indicated by the yellow arrow is the stop to set the table parallel to the blade. Loosen the jamb nut on each bolt. Crank the table out a bit, then back in until it stops. Gently back off, then tighten each stop bolt until it makes contact, then tighten the jamb nut on each end. It is important that each bolt makes contact evenly to facilitate repeatability when the carriage is moved in & out. Once this is established, you can loosen the bolt indicated by the blue arrow & bump the carriage in or out. Then tighten the blue bolt & check everything. Repeat entire process until you get it "close enough". It's a challenge to do & describe, good luck with it!
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