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KICKBACK,,.WHAT CAUSES IT AND WAYS TO HELP PREVENT IT (Fig. 4)
The Causes of Kickback
\
Correct Blade Depth
Bladeis SetToo
Deep
Fig,,4 _ KICKBACK
1, Kickback isa sudden reaction to a pinched,
bound or misaligned saw blade, which
causes an uncontrolled saw tolift up and
outof theworkpiece and toward the operator,,
2 When the blade is pinched or bound tightly
by the keff closing down, the blade stalls
and the motor reactiondrives the unit rapidly
back towardsthe operator,,
3 Ifthe blade becomes twisted or misatigned
inthe cut, the teeth at the back edge of the
blade can dig into the topsudace of ttTe
wood, This causes the blade to climb out
of the ken and jump back towardsthe operator
4, Sawing into knots or nails inthe workpiece
can cause Kickback,
5. Sawing into wet or warped lumber can
cause Kickback (see Fig 5a),,
6, Forcing a cut, or not supporting the workpiece
correctly can cause Kickback (see Fig. 5a).
7. Kickback is a result of tool misuse and/or
incorrect operating procedures or conditions,
itcan be avoided by taking the proper
precautions, on page I7
Fig, 5
Righ_
Wrong
i
16
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