Grizzly G0690 - Manual (Page 57)

Model g0690/g0691 (Mfg. 11/10+)
-55-
Note: We recommend cutting the hardwood
board oversize, then jointing and planing it
to the correct size to make sure the board
is square and flat. Only use furniture-grade
plywood or kiln dried hardwood to prevent
warping.
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Figure 84. auxiliary fence dimensions.
Making a Narrow-Rip push Block for
an Auxiliary Fence
1. Cut a piece of 3 ⁄
4
" thick plywood 5 1 ⁄
4
" wide and
as long as your table saw fence; cut a piece
of
3 ⁄
4
" thick hardwood 3" wide and as long as
your table saw fence, as shown in Figure
84.
Narrow-Rip Auxiliary
Fence & push Block
there are designs for hundreds of specialty jigs
that can be found in books, trade magazines, and
on the internet. these types of jigs can greatly
improve the safety and consistency of cuts. they
are particularly useful during production runs
when dozens or hundreds of the same type of cut
need to be made.
the narrow-rip auxiliary fence and push block
system shown in this section is an example of
a specialty jig that can be made to increase the
safety of very narrow rip cuts.
2. pre-drill and countersink eight pilot holes 3 ⁄
8
"
from the bottom of the 3" wide board, then
secure the boards together with eight #8 x
1
1 ⁄
2
" wood screws, as shown in Figure 85.
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Figure 85. location of pilot holes.
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Figure 86. push block dimensions and
construction.
3. using the 3 ⁄
4
" material you used in the previ-
ous steps, cut out pieces for the push block
per the dimensions shown in
Figure 86; for
the handle, cut a piece 10" long by 5"–9" high
and shape it as desired to fit your hand.
4. attach the handle to the base with #8 x 1 1 ⁄
2
"
wood screws, and attach the lip to the base
with cyanoacrylate type wood glue.
Material Needed for Narrow Rip Auxiliary
Fence & push Block
hardwood
3 ⁄
4
" x 3" x length of Fence ................1
plywood 3 ⁄
4
" x 5 1 ⁄
4
" x length of Fence ................1
Wood screws #8 x 1 1 ⁄
2
" ......................................8
Material Needed for push Block
hardwood or plywood
3 ⁄
4
" x 15" x 5 5 ⁄
8
" ...............1
hardwood or plywood 3 ⁄
4
" x 10" x 5"–9" ............1
Cyanoacrylate Wood glue .........................Varies
Wood screws #8 x 1
1 ⁄
2
" ......................as Needed