Powermatic 72A, Instruction Manual & Parts List

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The guard, splitter, and anti-kickback pawls supplied
with the saw should be used for all cutting operations
where they can be used. When performing opera-
tions where the guard can not be used, as in some
dadoing operations, alternative safety precautions
should be taken. These include push sticks, feather
boards, filler pieces, fixtures, jigs and any other ap-
propriate device that can be utilized to keep operator's
hands away from the blade.
Upon completion of the operation requiring removal of
the guard, the entire guard assembly must be placed
back on the machine in its proper working order.
CAUTION: Never use a dado head in a
tilted position. Never operate the saw
without the guard, splitter and anti-
kickback pawls for operations where
they can be used.
SAFETY DEVICES
Feather Board (Figure 35).
The feather board should be made of straight grain
hardwood approximately 1" thick and 4" to 8" wide
depending on the size of the machine. The length is
developed in accordance with intended use.
Feather boards can be fastened to the table or rip
fence by use of C-clamps. Alternatively, drilled and
tapped holes in the table top allow the use of wing
nuts and washers as a method of clamping. If this
method of fastening is used, provide slots in the feather
board for adjustment. (The illustration shows a method
of attaching and use of the feather board as a vertical
comb. The horizontal application is essentially the
same except that the attachment is to the table top.)
Filler Piece (Figure 36).
A filler piece is necessary for narrow ripping and per-
mits the guard to remain on the machine. It also
provides space for the safe use of a push stick.
Push Stick & Push Block (Figures 37 & 38).
These items help feed the workpiece along fence and
blade while keeping the operator's hands at a safe
distance from the blade.
FIGURE 35
FIGURE 36
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