Craftsman 170.172440 Owner's Manual page 12

Turn on the tool and make a pilot hole at the center of the desired hole location (Fig. 13).
I_i_1 Do not use too much force
when cutting. It can
shorten bit life and cause breakage and
the portion of bit may fly away striking
you, bystanders or property.
Note: The center point on the Circle Cutter
pivot foot is at the center of the circle you are
about to cuL
Place the tip of the center point near the
opening of the pilot hole. Tilt the tool at about a
45 ° angle on the edge of the circle cutter.
Keep the bit from touching the material. Turn
on the tool and set to the desired speed. With
one hand on the tool, grasp the round knob
with your other hand. Plunge the cutting bit into
the material while pushing the center point into
the pilot hole. As you plunge into the material,
pivot on the edge of the circle cutter and tip the
tool up to a completely vertical position (Fig. 14).
Start cutting in a clockwise direction using
consistent moderate pressure. If you need to
reposition your hands, turn off the tool first
before changing hand positions. Continue
cutting your circle until you have cut the
complete shape. Turn off the tool.
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