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Powermatic 72 - Instructions for Circular Saw Operations; Kickback Identification & Prevention

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Model 72 -
12"/14"
Tilting Arbor Saw
OPERATING INSTRUCTIONS
INSTRUCTIONS
FOR
CIRCULAR
SAW
OPERATIONS
1. Familiarize yourself with the location and operation
of
all controls and adjustments and the
use
of
accessories such
as
the miter gauge and rip fence.
2. Serious injury can result from kickbacks which occur when a work piece binds on the saw
blade
or
binds between the saw blade and rip fence
or
other
fixed object. This binding can
cause
the
work piece to lift up and be thrown toward the operator. Listed below are the
conditions which can cause kickbacks.
a.
Confining the
cutoff
piece when cross-cutting
or
ripping.
b.
Releasing the work piece before completing the operation
or
not
pushing the work piece
all the way past
the
saw blade.
c.
Not
using the splitter when ripping
or
not
maintaining alignment
of
the splitter with
the saw blade.
d.
Using a dull saw blade.
e.
Not
maintaining the alignment
of
the rip fence so
that
it
tends
to
angle towards rather
than away from
the
saw blade
front
to
back. NOTE: Caution decal on guard and split-
ter assembly
on
alignment. (See
p.ll
for instructions.)
f.
Applying feed force in ripping
to
the
cutoff
(free) section
of
the work piece instead
of
the section between the saw blade and fence. Use push sticks (Fig. 1) or push blocks
(Fig.
2) for narrow, thin,
or
short
work.
g.
Ripping wood
that
is
twisted
(not
flat), or does
not
have a straight edge, or has a twisted
gram.
To minimize
or
prevent injury from kickbacks:
a.
Avoid conditions listed above.
b. Wear a safety face shield, goggles,
or
glasses.
c.
Do
not
use
the
miter gauge and rip fence in the same operation unless provision
is
made
by use
of
a facing board on the fence so
as
to
allow the
cutoff
section
of
the work piece
to
come free before the
next
cut
is
started. (See p. 8 and 9 for instructions on cross-
cutting.)
d. Check the operation
of
the anti-kickback pawls before starting a cut.
If
the pawls do
not
stop the reverse
motion
of
a work piece, resharpen all the points.
e.
Keep
your
face and body
out'of
line with potential kickbacks where possible, including
when starting
or
stopping
the
machine.
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1'<:
1"S
~UAR
E.5
6
Push Stick (Fig. 1)
Page
-4-

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