5.2.3 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) Check the power tool’s supply cord at regular
intervals and have it replaced by a qualified
specialist if found to be damaged. Check ex-
tension cords at regular intervals and replace
them if found to be damaged. Do not touch the
supply cord or extension cord if it is damaged
while working. Disconnect the supply cord plug
from the power outlet. Damaged supply cords or
extension cords present a risk of electric shock.
c) Dirty or dusty power tools which have been
used frequently for work on conductive materi-
als should be checked at regular intervals at a
Hilti Service Center. Under unfavorable circum-
stances, dampness or dust adhering to the surface
of the power tool, especially dust from conductive
materials, may present a risk of electric shock.
d) When working outdoors with an electric tool
check to ensure that the tool is connected to the
electric supply by way of a ground fault circuit
interrupter (RCD) with a rating of max. 30 mA
(tripping current). Use of a ground fault circuit
interrupter reduces the risk of electric shock.
e) Use of a ground fault circuit interrupter (RCD
residual current device) with a maximum tripping
current of 30 mA is recommended.
5.2.4 Work area
a) Ensure that the workplace is well ventilated.
Exposure to dust at a poorly ventilated workplace
may result in damage to the health.
b) If the work involves breaking right through, take
the appropriate safety measures at the opposite
side. Parts breaking away could fall out and / or
fall down and injure other persons.
5.2.5 Personal protective equipment
The user and any other persons in the vicinity must
wear suitable eye protection, a hard hat, ear pro-
tection, protective gloves and breathing protection
while the power tool is in use.
6. Before use
6.1 Fitting and adjusting the side handle 2
1. Disconnect the supply cord plug from the power
outlet.
2. Release the side handle clamping band by turning
the handle counterclockwise.
3. Slide the side handle clamping band over the
chuck and onto the cylindrical section at the front
end of the power tool.
4. Pivot the side handle into the desired position.
5. CAUTION Check that the clamping band is en-
gaged in the groove provided on the power tool.
Secure the side handle by turning the grip clock-
wise.
6.2 Fitting the depth gauge
1. Release the side handle clamping band by turning
the handle counterclockwise.
2. Push the depth gauge into the two guide holes in
the side handle clamp.
3. Tighten the side handle securely by turning the
grip section. This also clamps the depth gauge in
position.
en
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