1.- Machine-specific Safety
Warnings
f Wear hearing protection. Exposure to noise
can cause hearing loss.
f Always use the auxiliary handle supplied
with the machine. Loss of control can cause
personal injury.
f Use suitable detectors to determine if utility
lines are hidden in the work area or call the
local utility company for assistance. Contact
with electric lines can lead to fire and electric
shock. Damaging a gas line can lead to explo-
sion. Penetrating a water line causes property
dama
ge or may cause an
f Hold the power tool only by the insulated
gripping surfaces when performing an oper-
ation where the cutting tool may contact hid-
den wiring or its own cord. Contact with a
"live" wire will also make exposed metal parts
of the power tool "live" and shock the operator.
f When working with the machine, always
hold it firmly with both hands and provide
for a secure stance. The power tool is guided
more secure with both hands.
f Secure the workpiece. A workpiece clamped
with clamping devices or in a vice is held more
secure than by hand.
f Do not work materials containing asbestos.
Asbestos is considered carcinogenic.
f Take protective measures when dust can de-
velop during working that is harmful to one's
health, combustible or explosive. Example:
Some dusts are regarded as carcinogenic.
Wear a dust mask and work with dust/chip ex-
traction when connectable.
f Keep your workplace clean.
rials are particularly dangerous. Dust from
light alloys can burn or explode.
f Always wait until the machine has come to a
complete stop before placing it down. The
tool insert can jam and lead to loss of control
over the power tool.
ENGLISH
21
electric shock.
Blends of mate-
21
f Never use the machine with a damaged ca-
ble. Do not touch the damaged cable and pull
the mains plug when the cable is damaged
while working. Damaged cables increase the
risk of an electric shock.
2.- Functional Description
Read all safety warnings and all
instructions. Failure to follow the
warnings and instructions may result
in electric shock, fire and/or serious
injury.
While reading the operating instructions, unfold
the graphics page for the machine and leave it
open.
2.1.- Intended Use
HD21K, HD27K / HD27BK, HD28K, HD5K,
HD5BK, HD50K, HD55K, MH6K
The machine is intended for hammer drilling in
concrete, brick and stone (Except HD21). It is also
suitable for drilling without impact in wood, metal,
ceramic and plastic. Machines with electronic
control and right/left rotation are also suitable for
screwdriving and thread cutting.
HD15K, HD17K, HD9BK, HD10K, MH8K
The machine is intended for heavy chiselling and
dem
olition work as well as fo
pacting with the appropriate accessories.
2.2.- Product Features
The numbering of the product features refers to
the illustration of the machine on the graphics
1
C
huck
2
SDS-plus/SDS-max
3
Dust protection cap
4
Locking sleeve
5
Rotational direction switch
6
Lock-on button for On/Off switch
7
On/Off switch
8
Release button for mode selector switch
9
Mode selector switch
10
Button for RPM adjustment
11
Auxiliary handle
r driving in and com-
t ool holder