Grizzly G0690, G0691 owner manual Assembling miter slot featherboard Components

4.Rout a 1⁄4"–3⁄8" wide slot 4"–5" long in the workpiece and 1"–2" from the short end of the featherboard (see Figure 73).

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Figure 73. Slot routed in featherboard.

5.Cut a miter bar that will fit in the table miter slot approximately 5" long, as shown in

Figure 74.

Tip: Consider making the miter bar longer for larger featherboards—approximately half the length of the total featherboard—to support the force applied to the featherboard during use.

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Figure 74. Miter bar pattern.

6.Drill a 1⁄4" hole in the center of the bar, then countersink the bottom to fit a 1⁄4"-20 flat head screw.

Model G0690/G0691 (Mfg. 11/10+)

7.Mark a 4" line through the center of the coun- tersunk hole in the center, then use a jig saw with a narrow blade to cut it out.

8.Assemble the miter bar and featherboard with a 1⁄4"-20 x flat head screw, flat washer, and a wing nut or a star knob (see Figure 75). Congratulations! Your featherboard is complete.

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Figure 75. Assembling miter slot featherboard

components.

Note: The routed slot, countersink hole, and the flat head screw are essential for the miter bar to clamp into the miter slot. When the wing nut is tightened, it will draw the flat head screw upward into the countersunk hole. This will spread the sides of the miter bar and force them into the walls of the miter slot, locking the featherboard in place.

Tip: The length of the flat head screw depends on the thickness of the featherboard—though 11⁄2" to 2" lengths usually work.

Now, proceed to Mounting Featherboard in Miter Slot on Page 52.

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