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• f,•
Auxiliary
Fence and Push
Block
An auxiliary
fence must be used if the blade
is positioned
between
1/2 inch and 2 inches
from the fence during
ripping.
An auxiliary
fence must always be used with a push block.
Their purpose
is to keep your hands
away
from the saw blade. They are also needed
when you use the molding
head.
Make
an auxiliary
fence when:
• the blade
is to be placed
2 inches or
less from the fence;
• an existing at_dliary
fence is not the
same width all along its length;
• the existing auxiliary
fence has been
damaged
by blade
contact.
To make
auxiliary
fence:
1. Use one piece of 3/8 inch plywood
and two
pieces
of 3/4 inch pb_ood.
2. Cut the 3/8 inch plywood
to 44 inches
long by 5 1/2 inches wide.
3. Cut one piece of 3/4 inch plywood to 44 in-
ches long by 3 5/8 inches wide.
4. Cut other piece of 3/4 inch plywood
to 44
inches long by 2 1/4 inches wide.
5. Glue the two 3/4 inch plywood
pieces
together
so that they line up square
(flush)
on an edge.
6. Glue the 3/8 inch plywood
piece
at right
angle to and flush against
the 2 1/4 inch wide
3/4 inch plywood.
7. Reinforce
with nails.
3/8" Plywood
This Face and This
Edge Must Be Parallel
3/4" Plywood
Note: All Dimensions
in Inches
Fig. 164 Auxiliary Fence Dimensions
Push
Block
Push blocks
are always used with an auxiliary
fence.
Make a push block when:
• the blade
is to be placed
1/2 inch to 2
inches from the
fence;
• you make the first auxiliary fence;
• existing push block has been damaged.
To make a push block:
1. Use one piece of 3/4 inch plywood
and one
piece of 3/8 inch plywood.
2. Cut the 3/4 inch plywood to 12 inches long
by 5 inches wide.
3. Cut a triangular
piece off each of two
corners of the 12 inch side by marking
with a
pencil in and down from the corners
1 1/4 in-
ches and cutting
along the diagonal
formed
by the points.
4. Cut the 3/8 inch plywood
to 12 inches long
by 5 1/8 inches wide.
75
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