Shopsmith 555970 - Manual (Page 36)

555970 MARK V – MOUNTED OVERARM PIN ROUTER
36
3. Select and install the appropriate
straight router Bit and set your depth-
of-cut. It’s best to make a trial cut in a
piece of same-sized scrap stock first, to
“prove” the location and depth of your
cut, before cutting your actual work-
piece. Adjustments to the position of
your groove can be made by moving
your MARK V Worktable in and out.
Similar adjustments can be made for cre-
ating odd-width grooves (or dadoes) by
starting with a Bit that’s narrower than
your intended groove or dado, then mov-
ing the MARK V Worktable in or out to
widen your cut.
4. Turn on your router motor and feed the
workpiece from left to right (against the
rotation of the Bit), maintaining a steady
pressure against the fence during the cut
(See Fig. 31).
Dadoes
The dado-cutting process is identical to the
process for cutting grooves, except that you
will need to make a wood back-up block to
hold the workpiece perpendicular to the
Fence and guide it through the cut. If your
cut is to be 90° to the edge of your
workpiece, be sure your wooden push block
has a 90° corner.
Place one of the block’s 90° edges against the
Fence and the other against your
workpiece . . . then use the block to push the
stock through the cut, as shown in Fig. 32.
NOTE
If you’re planning to cut a dado that is to
be at an angle other that 90°, you’ll need to
make a push block with one corner cut at
the same angle as your intended dado.
Then, position one edge of that corner
against the Fence and the other against your
stock as you guide it through the cut.
WARNING
Always use push sticks, push blocks,
and similar safety devices to keep you
hands out of harm’s way when mak-
ing your cuts.
Figure 32. Cutting a dado across
the grain with a wooden pusher. Guide
stock against the Fence.
Figure 31. Cutting a groove with the grain
by guiding it against the Overarm
Router Fence.