Q: The cast-iron wings on my new tablesaw are not level with the table in the center. At the far edges, they are about 0.015 in. higher. Will that difference be a problem when I use the saw? Darren Sanford, Gulfport, MS A: That is enough of a difference to cause problems, especially when crosscutting a rail, leg, or other long part. The edge of the table lifts the board, resulting in a cut that’s not square. The solution is to loosen the bolts that hold the wing to the saw and shim the joint. Because the edges of your table are higher than the throat plate, put the shims above each bolt (if your wings sagged, the shims would go beneath the bolts). Use thin brass sheet material for the shims. You can buy it at hobby-supply stores. After shimming, check for flatness with a 36-in. straightedge. click to enlarge Look for high and low spots. Check wing alignment with a straightedge and feeler gauge. Install shims as necessary at bolt locations–above the bolts for a rising wing and beneath for a sagging one.
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