Kickback And Related Warnings - Black & Decker BDEG900 Instruction Manual

9 inch (228mm) large angle grinder
Table of Contents

Advertisement

Available languages

Available languages

generated by various operations. The dust mask or respirator must be capable of
filtrating particles generated by your operation. Prolonged exposure to high intensity
noise may cause hearing loss.
i) keep bystanders a safe distance away from work area. Anyone 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.
j) hold the power tool by insulated gripping surfaces only, when performing an
operation where the cutting accessory may contact hidden wiring or its own
cord. Cutting accessory contacting a "live" wire may make exposed metal parts of the
power tool "live" and shock the operator.
k) Position the cord clear of the spinning accessory. If you lose control, the cord may
be cut or snagged and your hand or arm may be pulled into the spinning accessory.
l) 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.
m)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.
n) 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.
o)Do not operate the power tool
near flammable materials. Sparks could ignite these materials.
p) Do not use accessories that require liquid coolants. Using water or other liquid
coolants may result in electrocution or shock.
q) Do not use Type 11 (flaring cup) wheels on this tool. Using inappropriate
accessories can result in injury.
r) Always use side handle. Tighten the handle securely. The side handle should
always be used to maintain control of the tool at all times.
s) When starting the tool with a new or replacement wheel, or a new or
replacement wire brush installed, hold the tool in a well protected area and let
it run for one minute. If the wheel has an undetected crack or flaw, it should burst in
less than one minute. If the wire brush has loose wires, they will be detected. Never
start the tool with a person in line with the wheel. This includes the operator.
t) To prevent the spindle end from contacting the bottom of the hole of the
abrasive product, use accessories that have a threaded hole depth of at least
21mm. Failure to use an accessory with the appropriate thread depth could result in
damage to the abrasive product and injury to the operator or persons in the area.
u) The arbor size of wheels, flanges, backing pads or any other accessory must
properly fit the spindle of the power tool. Accessories with arbor holes that do
not match the mounting hardware of the power tool will run out of balance, vibrate
excessively and may cause loss of control.

KICKbACK ANd RELATEd WARNINGS

Kickback is a sudden reaction to a pinched or snagged rotating wheel, backing pad,
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 at the point of the binding.
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 tool misuse and/or incorrect operating 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. Always use auxiliary handle, if provided, for
maximum control over kickback or torque reaction during start up. The operator
can control torque reaction or kickback forces, if proper precautions are taken.
b) Never place your hand near the rotating accessory. Accessory may kickback
over your hand.
c) Do not position your body in the area where power tool will move if kickback
occurs. Kickback will propel the tool in direction opposite to the wheel's movement at the
point of snagging.
d) 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.
e) Do not attach a saw chain woodcarving blade or toothed saw blade. Such
blades create frequent kickback and loss of control.
4

Advertisement

Table of Contents
loading

Table of Contents