o)
When grinding with straight grinding discs and
cutting with cutting discs in metalworking ap-
plications, use only the guard with cover plate.
This is available as an optional accessory.
p)
Children must be instructed not to play with the
power tool.
q)
The power tool is not intended for use by chil-
dren, by debilitated persons or those who have
received no instruction or training.
r)
Do not use the power tool if it starts with a
jolt.
This may be an indication that the electronic
control unit is defective. Have the tool repaired at
an authorized Hilti service center right away.
s)
WARNING: Some dust created by grinding,
sanding, cutting and drilling contains chem-
icals known to cause cancer, birth defects,
infertility or other reproductive harm; or seri-
ous and permanent respiratory or other injury.
Some examples of these chemicals are: lead from
lead-based paints, crystalline silica from bricks,
concrete and other masonry products and natural
stone, arsenic and chromium from chemically-
treated lumber. Your risk from these exposures
varies, depending on how often you do this type
of work.
To reduce exposure to these chemicals,
the operator and bystanders should work in a
well-ventilated area, work with approved safety
equipment, such as respiratory protection ap-
propriate for the type of dust generated, and
designed to filter out microscopic particles and
direct dust away from the face and body. Avoid
prolonged contact with dust. Wear protective
clothing and wash exposed areas with soap and
water.
Allowing dust to get into your mouth,
eyes, or to remain on your skin may promote
absorption of harmful chemicals.
5.3.2 Power tool use and care
a)
Grinding discs must be stored and handled care-
fully in accordance with the manufacturer’s in-
structions.
b)
Check that the grinding disc is fitted in accor-
dance with the manufacturer's instructions.
c)
If use of a spacer ring or other intermediate part
is specified and the part is supplied with the
grinding disc, check to ensure that the part is
fitted.
d)
Before use, check that the cutting or grinding
disc has been fitted correctly and the clamping
nut tightened. Then allow the power tool to run
for 30 seconds under no load while holding it
securely. Switch off the power tool immediately
if significant vibration or any other faults are
noticed. Should this occur, examine the power
tool in order to determine the cause.
e)
Never use the power tool without the guard.
f)
Do not use separate reducing rings or adapters
to enable use of grinding discs with a larger
mounting hole.
g)
If the grinding disc (or cup wheel, etc.) is
equipped with a threaded insert, check that the
threaded section is long enough to take up the
length of the drive spindle.
h)
The workpiece must be fixed securely in place.
i)
Do not use cutting discs for grinding.
j)
Take steps to ensure that flying sparks from
the tool do not present a hazard, i.e. by strik-
ing yourself or other persons or by igniting
inflammable substances. Adjust the position of
the disc guard accordingly.
k)
When working in dusty conditions, check to
ensure that the cooling air openings remain
unobstructed. Should it become necessary to
remove dust deposits from the air openings,
first unplug the tool from the electric supply and
then use a non-metallic object to remove the
dust, taking care to avoid damaging parts inside
the tool.
l)
If the nut securing the disc and flange is not
tightened firmly, the disc may work loose from
the spindle due to the braking effect of the
motor.
Tighten the disc / flange securing nut
in accordance with the directions given in the
operating instructions. Wait until the disc comes
to a standstill.
5.3.3 Electrical safety
a)
Before beginning work, check the working area
(e.g. using a metal detector) to ensure that
no concealed electric cables or gas and water
pipes are present.
External metal parts of the
power tool may become live, for example, when
an electric cable is damaged accidentally. This
presents a serious risk of electric shock.
b)
Dirty or dusty power tools that have been used
frequently for work on conductive materials
should be checked at regular intervals at a
en
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