5
*165DI)E<5C6?B)?D1BI+??<C 3?>D
$19>D19>169B=7B9@?>D85@?G5BD??<1>4
@?C9D9?>I?EB2?4I1>41B=D?1<<?GI?ED?
B5C9CD;93;213;6?B35CThe operator can
control torque reactions or kickback forces, if
proper precautions are taken.
,C5 C@5391<31B5 G85> G?B;9>7 3?B>5BC
C81B@5475C5D3 F?94 2?E>39>7 1>4
C>1779>7 D85 1335CC?BICorners, sharp
edges or bouncing have a tendency to snag the
rotating accessory and cause loss of control or
kickback.
? >?D 1DD1381 D??D854C1G2<145Such
blades create frequent kickback and loss of
control.
<G1IC6554D8529D9>D?D85=1D5B91<9>D85
C1=549B53D9?>1CD853EDD9>754759C5H9D9>7
6B?= D85 =1D5B91< G8938 9C D85 C1=5
49B53D9?>1CD85389@C1B5D8B?G> Feeding
the tool in the wrong direction causes the
cutting edge of the bit to climb out of the work
and pull the tool in the direction of this feed.
.85>EC9>7B?D1BI69<5C 3ED?66 G855<C
8978C@5543EDD5BC ?B DE>7CD5> 31B2945
3EDD5BC 1<G1IC 81F5 D85 G?B;C53EB5<I
3<1=@54 These wheels will grab if they
become slightly canted in the groove, and can
kickback. When a cut-off wheel grabs, the
wheel itself usually breaks. When a rotary file,
high-speed cutter or tungsten carbide cutter
grabs, it may jump from the groove and you
could lose control of the tool.
*165DIG1B>9>7CC@5396936?B7B9>49>7
1>412B1C9F53EDD9>7?66?@5B1D9?>C
,C5 ?><I G855< DI@5C D81D 1B5
B53?==5>4546?BI?EB@?G5BD??<1>4?><I
6?B B53?==5>454 1@@<931D9?>C ?B
5H1=@<54?>?D7B9>4G9D8D85C945?613ED
?66G855<Abrasive cut-off wheels are intended
for peripheral grinding, side forces applied to
these wheels may cause them to shatter.
?BD8B5145412B1C9F53?>5C1>4@<E7CEC5
?><IE>41=1754 G855<=1>4B5<CG9D8 1>
E>B5<95F54 C8?E<45B6<1>75 D81D 1B5?6
3?BB53DC9J51>4<5>7D8Proper mandrels will
reduce the possibility of breakage.
? >?D TT:1=TT 13ED?66 G855<?B1@@<I
5H35CC9F5@B5CCEB5?>?D1DD5=@DD?=1;5
1>5H35CC9F545@D8?63EDOverstressing the
wheel increases the loading and susceptibility
to twisting or snagging of the wheel in the cut
and the possibility of kickback or wheel
breakage.
?>?D@?C9D9?> I?EB81>49><9>5G9D81>4
2589>4 D85B?D1D9>7G855<When the wheel,
at the point of operation, is moving away from
your hand, the possible kickback may propel
the spinning wheel and the power tool directly
at you.
.85>G855<9C@9>3854C>17754?BG85>
9>D5BBE@D9>713ED6?B1>IB51C?>CG9D38?66
D85 @?G5BD??< 1>4 8?<4D85@?G5B D??<
=?D9?><5CCE>D9<D85 G855< 3?=5C D? 1
3?=@<5D5CD?@%5F5B1DD5=@DD?B5=?F5D85
3ED?66G855<6B?=D853EDG89<5D85G855<9C
9>=?D9?> ?D85BG9C5;93;213;=1I ?33EB
Investigate and take corrective action to
eliminate the cause of wheel pinching or
snagging.
?>?DB5CD1BDD853EDD9>7?@5B1D9?>9>D85
G?B;@9535#5DD85G855<B51386E<<C@554
1>431B56E<<IB55>D5BD853EDThe wheel may
bind, walk up or kickback if the power tool is
restarted in the workpiece.
*E@@?BD@1>5<C?B1>I?F5BC9J54G?B;@9535
D?=9>9=9J5D85B9C;?6G855< @9>389>7 1>4
;93;213;Large workpieces tend to sag under
their own weight. Supports must be placed
under the workpiece near the line of cut and
near the edge of the workpiece on both sides of
the wheel.
,C55HDB131ED9?>G85>=1;9>71TT@?3;5D
3EDTT9>D?5H9CD9>7G1<<C?B?D85B2<9>41B51C
The protruding wheel may cut gas or water
pipes, electrical wiring or objects that can cause
kickback.
*165DIG1B>9>7CC@5396936?BG9B5
2BEC89>7?@5B1D9?>C
51G1B5D81DG9B52B9CD<5C1B5D8B?G>2I
D852BEC85F5>4EB9>7?B49>1BI?@5B1D9?>
?>?D ?F5BCDB5CCD85G9B5C 2I 1@@<I9>7
5H35CC9F5<?14D?D852BEC8 The wire bristles
can easily penetrate light clothing and/or skin.
<<?G2BEC85CD?BE>1D?@5B1D9>7C@5546?B
1D<51CD?>5=9>ED5256?B5EC9>7D85=
EB9>7D89CD9=5>??>59CD?CD1>49>6B?>D
?B9> <9>5 G9D8D852BEC8 Loose bristles or
wires will be discharged during the run-in time.
9B53DD8549C381B75?6 D85C@9>>9>7G9B5
2BEC81G1I6B?=I?E Small particles and tiny
wire fragments may be discharged at high
velocity during the use of these brushes and
may become imbedded in your skin.
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