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Craftsman 172.10853 Owner's Manual page 7

7 1/4-in. circular saw
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SAFETYRULESFORCIRCULARSAWScont.
11. ALWAYSBE SUREthatall adjusting
screws and the blade holder are
fastened tightly BEFORE making a cut. Loose adjusting screws and holders
can cause the tool or blade to slip and loss of control may result.
12. When removing the blade from the tool, ALWAYS avoid contact with skin
and ALWAYS wear protective gloves when grasping the blade or accessory.
Accessories may be hot after prolonged use.
KICKBACK...WHAT
CAUSES IT AND WAYS TO PREVENT IT
The Causes of Kickback
1. Kickback is a sudden reaction to a pinched, bound or misaligned saw blade,
which causes the uncontrolled saw to lift up and out of the workpiece and
towards the operator.
2. When the blade is pinched or bound tightly by the kerr closing down, the
blade stalls and the motor reaction drives the unit rapidly back towards
the operator.
3. If the blade becomes twisted or misaligned in the cut, the teeth at the back
edge of the blade can dig into the top surface of the wood. This causes the
blade to climb out of the kerf and jump back towards the operator.
4. Kickback is a result of tool misuse and/or incorrect operating procedures or
conditions.It can be avoided by taking the proper precautions, as listedbelow.
Ways to Prevent
Kickback
1. ALWAYS maintain
a firm grip with both hands on the saw and position
your body and arms to allow you to resist KICKBACK
forces.
KICKBACK
forces can be controlled
by the operator,
if the proper
precautions
are taken.
2. If the blade
is binding,
or when
you are interrupting
a cut for any
reason,
ALWAYS
release
the trigger
and hold the saw motionless
in
the material
until the blade comes
to a complete
stop. NEVER
attempt
to remove the saw from the work or pull the saw backward
while the
blade is in motion
or KICKBACK
may occur. ALWAYS check and be
ready to take corrective action to eliminate the cause of blade binding.
3. When
restarting
the saw in the workpiece,
ALWAYS
center the blade
in the kerf and check
to be sure that the saw teeth are not engaged
into the material.
If the saw blade is binding,
it may walk up or KICKBACK
from the workpiece
when the saw is restarted.
4. ALWAYS support
large panels
to minimize
the risk of blade pinching
and KICKBACK.
Large panels tend to sag under their own weight.
Supports
MUST be placed
under the panel on both sides, near the line
of cut and near the edge of the panel.
7

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