Personal Protective Equipment; Preparing For Use - Hilti DD 120 Mode D'emploi

d) Do not touch the supply cord or extension cord
if it is damaged while working. Disconnect the
supply cord plug from the power outlet.
e) Damaged or faulty switches must be replaced at
a Hilti service center. Do not use the machine if it
cannot be switched on and off correctly.
f) Have the machine repaired only by a trained elec-
trical specialist (Hilti service center) using genuine
Hilti spare parts. Failure to observe this point may
result in risk of accident to the user.
g) Do not use the supply cord for purposes for which
it is not intended. Never carry the machine by the
supply cord. Never pull the plug out of the power
outlet by pulling the supply cord.
h) Do not expose the supply cord to heat, oil or sharp
edges.
i) When working outdoors, use only extension cords
that are approved and correspondingly marked
for this application.
In case of an interruption in the electric supply:
j)
Switch the machine off and unplug the supply
cord.
k) Avoid using extension cords with multiple power
outlets and the simultaneous use of several elec-
tric tools or machines connected to one extension
cord.
Never operate the machine when it is dirty or
l)
wet. Dust (especially dust from conductive ma-
terials) or dampness adhering to the surface of
the machine may, under unfavorable conditions,
lead to electric shock. Dirty or dusty machines
should thus be checked at a Hilti service center
at regular intervals, especially if used frequently
for working on conductive materials.
6 Before use
CAUTION
The mains voltage must comply with the specification
given on the type identification plate. Ensure that the
power tool is disconnected from the electric supply.
DANGER
When drilling through walls, cover the area behind
the wall, as material or the core may fall out on the
other side of the wall. When drilling through ceilings,
secure (cover) the area below as drilled material or
the core may drop out and fall down.
All manuals and user guides at all-guides.com
5.1.5 Thermal
Wear protective gloves when changing core bits. The
core bit may become hot during use.
5.1.6 Requirements to be met by users
a) The machine is intended for professional use.
b) The machine may be operated, serviced and re-
c) Stay alert, watch what you are doing and use
d) Improve the blood circulation in your fingers by

5.1.7 Personal protective equipment

The user and any other persons in the vicinity must
wear suitable eye protection, a hard hat, ear protec-
tion, protective gloves and safety footwear while the
machine is in use.
DANGER
Check that the drill stand is securely fastened to the
base material.
CAUTION
Do not break the connection to earth by using an
adaptor plug.

6.1 Preparing for use

CAUTION
The machine and the diamond core bit are heavy. There
is a risk of pinching parts of the body. Wear a hard hat,
protective gloves and safety boots.
paired only by authorized, trained personnel. This
personnel must be informed of any special haz-
ards that may be encountered.
common sense when operating a power tool. Do
not use a power tool while you are tired or under
the influence of drugs, alcohol or medication. A
moment of inattention while operating power tools
may result in serious personal injury.
relaxing your hands and exercising your fingers
during breaks between working.
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