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Slip clutch
With a clamping drill, the slip clutch is activated.
All LED lights 3 could flash red. The machine is
switched off automatically. Carefully loosen the
drill. Never use the ON/OFF switch 1 for this! You
can then calmly resume drilling.
Undervoltage protection
If the machine detects a too low supply voltage,
the machine is switched off. All LED lights 3 will
then continue to lit blue.
Switch the machine off and on again.
DRILLING WITH A DRILL
STAND
Guide block setting
A
B
When using a drill stand a right setting of the
guide block is required. Guide blocks for Karat
core drilling machines features slide strips for fine
tuning on the drill stand.
•
Loosen the safety nuts 14A using the sup-
plied wrench 13.
•
Adjust the bolts 14B for an flexible sliding of
the guide block on the drill stand.
•
Secure then the bolts with the safety nuts
14A.
Drill stand fixation
CAUTION: The drill stand must
always be mounted firmly and
must not be able to move during
drilling.
Aligning the drill stand
•
Set up the drill stand at the drilling location.
•
Rotate the centering plate 25 forwards, until
it snaps in.
•
Align the drill stand in such a manner that
for the used machine the tip of the centering
plate is located directly above the required
drilling location.
•
Fasten the drill stand.
KARAT
®
350
Secure using assembly
•
Drill the rawlplug hole Ø 15/16 mm (see
instruction rawlplug).
•
Insert rawlplug SD M12
•
Screw in assembly 16.
•
Align the drill stand.
•
Fasten the drill stand with the spindle nut 17.
Vacuum pump fixation
WARNING: Maximum drilling diam-
eter of 100 mm. Mount the drill
stand on an even, firm and smooth
surface using the vacuum pump,
never "over" head. Always connect
the core drill and the vacuum pump
to the same power outlet. Never
turn off the vacuum pump during
operation.
Position the machine horizontally. Maximum tilt of
10°. Fasten, mount suction hose and fasten with
hose clip.
See further the vacuum pump manual.
Mounting the drill bit
•
Tighten the clamping lever 13.
•
Clean and grease the thread on the drill bit
30 and the drilling shaft 7.
•
Screw a core bit 30 onto the drilling shaft 7
and tighten with supplied wrenches.
Connecting the water feed
•
Close the water tap 6.
•
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 9.
Setting the drilling angle
•
Loosen the fastening screw 19.
•
Use handle 20 to slide the column into the
desired drilling angle using the scale.
•
Tighten the fastening screw 19.
Drilling
•
Always ensure a adequate anchorage in the
underground.
•
Open the water tap 6.
•
Loosen locking lever 13 and hold the feed
lever 10.
•
Actuate the ON/OFF switch 1.
OPERATING MANUAL KARAT® 350
GB
19
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