This is assuming the you have the blade aligned with the slot.
Delta contractor table saw fence adjustment.
Unisaw dado throat plate.
At this point the front is still clamped to the front rail.
Now you know that the fence is good in that position on the rails.
The same adjustment gauge can be used to set the fence parallel to the miter slot.
Slide the miter gauge to the front of the table and move the fence over to the screw head and insert a playing card between the screw head and the fence just so you can move the card as it touches both the fence and the screw head.
30 rail for t square fence.
Using simple tools and some test cuts i m able to make sure the blade and fence ar.
Loosen the two bolts on the top of the fence.
Mounting design attaches to delta table saws including contractor saw hybrid saw and unisaw models three point locking system with twin hairline pointers to assure fence is parallel to blade and accurate to within 1 64 of an inch 0.
Delta table saw arbor wrench.