KARAT
®
130/164/300
GB
OPERATING MANUAL KARAT® 130/164/300
21
Always use the correct supply voltage:
The
power supply voltage must match the informa-
tion quoted on the tool identification plate.
INItIaL operatIoN
Functional test for the PRCD protective
switch 4
WARNING: The ON/OFF switch 2
must be switched off, in order to
avoid unintentional starting of the
machine when carrying out the
functional test of the PRCD protec-
tive switch 4.
Before commencing work, check that the PRCD
protective switch is functioning properly:
•
Press the «ON» button on the PRCD protec-
tive switch. The red control lamp indicates
when the protective switch is ready for
operation.
•
Press the «TEST» button. The control lamp
must go off.
Setting the speed range
CAUTION: Actuate the gear selector
switch only when the machine is at
a standstill.
The gear selector switch allows for pre-selection
of three speed ranges.
Position •:
low speed
Position ••:
medium speed
Position •••:
high speed
Switching On/Off
Switching on:
Press the ON/OFF switch
2
(position “1”).
Switching off:
Press the ON/OFF switch
2
(position “0”).
WARNING: Use Karat 130-BG/-MG
only in combination with a drill-
stand when drilling in first gear,
Position 1 (low speed).
Overload Protection
The LED
1
indicates the motor load, whereby the
following conditions are distinguished:
Blue:
No load
Green:
Regular drilling load
Red:
Overload
Excessive overloading the motor will reduce the
speed 6 times electronically to warn the operator.
The motor switches off automatically and can
immediately be switched back on again.
Connecting the water feed
•
Close the water tap
7
.
•
Connect the water feed hose to the water tap
or the water pressure tank.
•
When using the water pressure tank, make
sure that there is sufficient pressure when
working.
•
Check the waterflow indicator
3
.
Mounting the drill bit 31
•
Clean and grease the thread on the drill bit
31
and the tool holding fixture
6
.
•
Screw a core bit
31
onto the tool holder
6
and tighten.
Removing the drilling core
•
Break off the drilling core and remove.
haNd heLd drILLING
WARNING: Hand held drilling only
for Karat 130-MG/-BG. Maximum
bit diameters:
•
Wet drilling in concrete: Ø 40 mm.
•
Dry drilling in masonry: Ø 164 mm.
Hand held wet drilling
•
For wet drilling open the water valve
7
and
switch on the machine
2
.
•
Hold the machine as rigidly as possible.
•
Always use the grip
5
at the front of the
machine.
•
Start drilling by keeping the machine at a
slight angle.
•
After the bit is guiding itself into the material,
swivel back the machine into the right angle
position.
