Kickback And Related Warnings - Milwaukee M18 FDG Notice Originale

j) Keep bystanders a safe distance away from work area. An-
yone entering the work area must wear personal protective
equipment. Fragments of workpiece or of a broken accessory may
fly away and cause injury beyond immediate area of operation.
k) Hold the power tool by insulated gripping surfaces only,
when performing an operation where the cutting accessory
may contact hidden wiring.Cutting accessory contacting a "live"
wire may make exposed metal parts of the power tool "live" and
could give the operator an electric shock.
l) Always hold the tool firmly in your hand(s) during the
start-up. The reaction torque of the motor, as it accelerates to full
speed, can cause the tool to twist.
m) Use clamps to support workpiece whenever practical.
Never hold a small workpiece in one hand and the tool in the
other hand while in use. Clamping a small workpiece allows you
to use your hand(s) to control the tool. Round material such as dowel
rods, pipes or tubing have a tendency to roll while being cut, and may
cause the bit to bind or jump toward you.
n) Never lay the power tool down until the accessory has
come to a complete stop. The spinning accessory may grab the
surface and pull the power tool out of your control.
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o) After changing the bits or making any adjustments, make
sure the collet nut, chuck or any other adjustment devices are
securely tightened. Loose adjustment devices can unexpectedly
shift, causing loss of control, loose rotating components will be
violently thrown.
p) Do not run the power tool while carrying it at your side.
Accidental contact with the spinning accessory could snag your
clothing, pulling the accessory into your body.
q) Regularly clean the power tool's air vents. The motor's fan
will draw the dust inside the housing and excessive accumulation of
powdered metal may cause electrical hazards.
r) Do not operate the power tool near flammable materials.
Sparks could ignite these materials.
s) Do not use accessories that require liquid coolants. Using
water or other liquid coolants may result in electrocution or shock.

Kickback and related warnings

Kickback is a sudden reaction to a pinched or snagged rotating
wheel, sanding band, brush or any other accessory. Pinching or
snagging causes rapid stalling of the rotating accessory which
in turn causes the uncontrolled power tool to be forced in the
direction opposite of the accessory's rotation.
For example, if an abrasive wheel is snagged or pinched by the
workpiece, the edge of the wheel that is entering into the pinch
point can dig into the surface of the material causing the wheel
to climb out or kick out. The wheel may either jump toward or
away from the operator, depending on direction of the wheel's
movement at the point of pinching. Abrasive wheels may also break
under these conditions.
Kickback is the result of power tool misuse and/or incorrect opera-
ting procedures or conditions and can be avoided by taking proper
precautions as given below.
a) Maintain a firm grip on the power tool and position your
body and arm to allow you to resist kickback forces The opera-
tor can control kickback forces, if proper precautions are taken.
b) Use special care when working corners, sharp edges etc.
Avoid bouncing and snagging the accessory. Corners, sharp
edges or bouncing have a tendency to snag the rotating accessory
and cause loss of control or kickback.
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c) Do not attach a toothed saw blade. Such blades create frequent
kickback and loss of control.
d) Always feed the bit into the material in the same direc-
tion as the cutting edge is exiting from the material (which
is the same direction as the chips are thrown). 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.
e) When using rotary files, always have the work securely
clamped. 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.
Safety warnings specific for grinding and abrasive cutting-
off operations:
a) Use only wheel types that are recommended for your
power tool and only for recommended applications. For ex-
ample: do not grind with the side of a cut-off wheel. Abrasive
cut-off wheels are intended for peripheral grinding, side forces applied
to these wheels may cause them to shatter.
b) For threaded abrasive cones and plugs use only undama-
ged wheel mandrels with an unrelieved shoulder flange that
are of correct size and length. Proper mandrels will reduce the
possibility of breakage.
c) Do not "jam" a cut-off wheel or apply excessive pressure.
Do not attempt to make an excessive depth of cut. Overstres-
sing 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) Do not position your hand in line with and behind the
rotating wheel. 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.
e) When wheel is pinched, snagged or when interrupting
a cut for any reason, switch off the power tool and hold the
power tool motionless until the wheel comes to a complete
stop. Never attempt to remove the cut-off wheel from the cut
while the wheel is in motion otherwise kickback may occur.
Investigate and take corrective action to eliminate the cause of wheel
pinching or snagging.
f) Do not restart the cutting operation in the workpiece. Let
the wheel reach full speed and carefully re-enter the cut. The
wheel may bind, walk up or kickback if the power tool is restarted in
the workpiece.
g) Support panels or any oversized workpiece to minimize the
risk of wheel pinching and kickback. 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.
h) Use extra caution when making a "pocket cut" into existing
walls or other blind areas. The protruding wheel may cut gas or
water pipes, electrical wiring or objects that can cause kickback.