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Fix the required dry drill bit on the working spindle.
Check for appropriate gear selection. Operate the ON/OFF switch and drill
until the segments are approximately 5 mm in the material. Remove the
centering point. Refix the drill bit to the existing groove and complete your
drilling.
Wet drilling
For wet drilling, we recommend the use of a centering device with
water collection (order No. 35847).
This water collection is a must for overhead-drilling.
Open the ball valve and switch the tool on.
Hold the tool tight with both hands. Locate the tool slightly inclined. Once
the drill bit is in the material (approx. 1/8 to 1/4 of the circumference), bring
the tool into an angle of 90 degrees and continue drilling.
Take care that the drill bit is not out of line.
Advance the tool according to bit diameter and machine power. Observe
the LED in the handle. If it lights red, reduce your pressing force.
In case the bit gets jammed, to not dry to release it by switching the tool on
and off. This would cause premature wearing of the safety clutch. Switch
the tool off immediately and unfix the drill bit by turning to the left or right
using an appropriate open-end wrench. Cautiously pull the tool out of the
borehole.
Fastening the mount on the floor by vacuum
Don't use vacuum fastening on walls or overhead!
Vacuum fastening may only be used if the area to be drilled is level, free of
pinholes and cracks, otherwise this method cannot be applied.
Insert the centering point so that the recesses in the
centering point latch on the catches of the working
spindle.
Insert the gas spring with the water collecting ring
and the guide ring appropriate for the drill bit
diameter into the tension disk. Shift the gas spring up
to complete coverage of the bit segments by the
water collecting ring. Tighten the wing screw.
On drilling overhead, make sure that the water
supply is opened only after having switch the water
remover on and the removing unit was fixed to the
wall or ceiling.
Rig Drilling
26
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