Thickness of Tenon Cut

To adjust the thickness of the tenon (male) cuts, you will change the depth of the tracer pin (Figure 22).

1.Disconnect machine from power source.

2.Loosen the locking handle on top the tracer pin (Figure 22) by turning it counter clockwise.

3.Insert a 5.5mm hex wrench into the end of the adjustment screw (Figure 22) and turn the adjustment screw as needed. To decrease the thickness of the tenon cut, turn the adjustment screw counterclockwise. To increase the thickness of the tenon cut, turn the adjustment screw clockwise.

4.Tighten locking handle.

Tightness of Mortise/Tenon Fit

A proper dovetail fit should be snug with no gaps showing, but not overly tight as glue must later fill the joints. If the cuts seem correct, but the joint is simply too tight, or the joint is too loose, proceed as follows.

1.Disconnect machine from power source.

2.Remove the dust hood from the front of the machine.

3.You will notice the cutter, shown in Figure 23, is slightly off center of the spindle. The spindle is eccentric and allows the cutter to be turned to a different position on the spindle.

The cutter is very sharp! Use caution when working with or around it.

4.Loosen both set screws on the spindle (Figure 23) by turning them counter- clockwise with a 4mm hex wrench.

5.A scale is located just above the cutter, with a plus (+) and minus (-) sign. Moving the cutting edge of the cutter toward the plus (+) side of the scale will increase the size of the mortise cut and decrease the size of the tenon cut. Moving the cutting edge of the cutter toward the minus (-) side will decrease the size of the mortise cut and increase the size of the tenon cut.

6.With your fingers on the shank portion of the cutter, carefully rotate the cutter toward the plus (+) or minus (-) position as needed.

7.When satisfied with the adjustment, tighten both set screws firmly.

8.Re-attach the dust hood.

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Figure 22

Figure 23

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Powermatic DT45 operating instructions Thickness of Tenon Cut, Tightness of Mortise/Tenon Fit