RIDGID R4540 Operator's Manual page 21

5.
If the rear of the blade was too close to combination
square, place a block of wood on the right side of the
blade. Lightly tap with a small hammer or rubber mallet to
achieve the correct parallelism adjustment . See Figure 26.
6.
Retighten the trunnion bolts with hex wrench. Recheck
alignment after bolts are retightened.
MAKING ADJUSTMENTS
21
FIGURE 26