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OBJ_BUCH-0000000288-002.book Page 24 Tuesday, August 6, 2019 1:41 PM
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doing the job. This may significantly reduce the expo-
sure level over the total working period.
Identify additional safety measures to protect the oper-
ator from the effects of vibration such as: maintain the
tool and the accessories, keep the hands warm, organi-
sation of work patterns.
Operating Instructions.
Only use water-soluble cutting fluids (oil in water) as
the cooling agent.
Observe the manufacturer's instructions on coolant.
Pay attention that the set-up surface for the magnetic
foot is flat, clean, rust-free and ice-free. Remove var-
nish, putty/filler layers and other materials. Prevent an
air gap between the magnetic foot and the set-up sur-
face. The air gap reduces the magnetic holding power.
Do not operate this machine on hot surfaces; it could
lead to a permanent reduction of the magnetic holding
power.
When working, always use the magnetic foot; pay
attention that the magnetic holding power is sufficient:
– When the green button on the control panel lights
up permanently, the magnetic holding power is suf-
ficient and the machine can be operated with man-
ual or automatic feed.
– When the Magnet button on the control panel
flashes, the magnetic holding power possibly is
insufficient and the machine must be operated with
reduced feed.
When working non-magnetic materials, suitable FEIN
fastening devices, such as vacuum plates or pipe drilling
devices, which are available as accessories, must be
used. Observe the corresponding operating instruc-
tions for these.
When working on steel materials with a material thick-
ness of less than 12 mm, the workpiece must be rein-
forced with an additional steel plate in order to
guarantee the magnetic holding power.
Error message/
Meaning
Response of Magnet Button
Indicator lights up green
Magnetic holding power is sufficient.
Indicator flashes green
Magnetic holding power possibly insuf-
ficient.
Indicator lights up red for
– Motion sensor has actuated
1 second
– Overload shut-off has actuated
– Incorrect mains voltage
Indicator flashes red 3 x
No speed signal
The magnetic foot is monitored by means of a power
sensor. If the magnetic foot is defective, the motor will
not start.
In case of overload, the motor automatically stops and
must be restarted again.
Work only with the absolutely required amount of
feed. Excessive feed can lead to breakage of the appli-
cation tool and loss of the magnetic holding power.
When the power supply is disconnected while the
motor is running, a protective circuit prevents auto-
matic restarting of the motor. Restart the motor again.
The last set speed is automatically stored (memory func-
tion). To start the power tool with the last set speed,
press and hold the button with the
then press the button with the
Do not stop the drill motor during the drilling proce-
dure.
Only remove the core bit from the drilled hole while
the motor is running.
If the core bit should remain stuck in the material, stop
the drill motor and carefully turn the core bit out coun-
ter-clockwise.
Remove the chips and the drilled core after each drilling
process.
Do not touch the chips with your bare hands.
Always use a chip hook (6 42 98 160 40 0).
Danger of burning! The surface of the magnet
can reach high temperatures. Do not touch the
magnet with your bare hands.
When changing a drill bit, pay attention not to damage
the cutting edges.
When core drilling layered material, remove the core
and the chippings after drilling each layer.
When readjusting the drill spindle for tapping, use only
the supplied T-handle spanner or Allen key.
Do not use the magnetic core drill unit when the cool-
ing-lubricant system is defective. Each time before oper-
ating, check for tightness against leaks and for cracks in
the hoses. Prevent liquids from entering or penetrating
electrical components.
Corrective Action
Even when working on steel materials
where the material thickness is below
12 mm, the work piece must be made
thicker with an additional steel plate in
order to ensure the magnetic holding
power.
After malfunction correction, the power
tool can be switched on again.
If the error occurs frequently, send the
machine to your FEIN customer service
agent.
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