Weka DK 42 B Betriebsanleitung Seite 14

parts.
g) If there is the possibility to assemble a dust exhauster and collecting device, make sure
that these are connected and used correctly. The use of a dust exhauster can reduce
dangers by dust.
4) Use and handling of the electric tool
a) Do not overload the device. Use the appropriate electric tool for your work. With the
appropriate electric tool you work better and saver in the declared range of performance.
b) Do not use an electric tool whose switch is damaged. An electric tool which can not be
switched on and off is dangerous and has to be repaired.
c) Unplug the plug from the socket and/or remove the battery before carrying out
instrument settings, exchanging accessories or put the device aside. This safety measure
avoids the unintended start of the electric tool.
d) Keep unused electric tools out of reach of children. Do not allow persons to use the
device who are not familiar with it or have not read these instructions. Electric tools are
dangerous if they are used by inexperienced persons.
e) Maintain electric tools with care. Check if movable parts function correctly and do not
jam, if parts are broken or damaged in that way, that the function of the electric tool
affected. Have damaged parts repaired before using the device. Many accidents originate
from bad maintained electric tools.
f) Keep the cutting tool sharp and clean. Carefully maintained cutting tools with sharp edges
do jam less and are easier to guide.
g) Use electric tool, accessory, operation tools, etc. according to these instructions.
Thereby consider the conditions of employment and the work to be done. The use of
electric tools for others than the intended task can result in dangerous situations.
5) Service
a) Have your tool only repaired by qualified personnel and only with original spare parts.
Thus it is assured that the safety of the electric tool is being obtained.
6) Safety precautions for drilling machines
a) Wear hearing protection while using drilling machines. The effect of noise can cause
hearing loss.
b) Use the additional handles that are supplied with the device. The loss of control on the
machine can cause injuries.
c) While drilling keep a sufficient big distance to the drill bit and do not touch rotating parts.
Protect the danger zone and keep children and other persons away from it. Falling or
catapulted parts can cause injuries.
2. P A R T I C U L A R I N F O R M A T I O N - Please note!
This core drilling machine is only intended for industrial use and may only be operated by trained
personnel.
Proper use extends only to the drilling of rock, concrete and masonry.
The drilling tool (diamond drill bit) is a hollow drill which is fitted with soldered-on or welded-on segments
impregnated with diamonds.
For operation, the relevant regulations must be observed.
Power tools must regularly (approx. 6 months) be checked by safety by a specialist. regular intervals
(approx. 6 months).
After any interruption to your work, only switch the core drilling machine on again after you have satisfied
yourself that the drill bit can rotate freely.
Wear ear protection when working with this machine.
3. T E C H N I C A L D E S C R I P T I O N
The DK42 (B,E)/DK52 (E) is a diamond core drilling machine which can only be operated when fixed in
a core drill rig (2). It is suitable for drilling into rock, concrete, asphalt and masonry.
By the addition of water through the diamond drill bit (3) via the ball valve (1a) the drilled material is
flushed away and the tool cooled (wet drilling). The drilling tool, the diamond drill bit (3), is a tube drill
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