Fein KBM 50 Q Instructions D'origine page 28

OBJ_BUCH-0000000110-006.book Page 28 Wednesday, April 4, 2018 2:20 PM
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When working, always use the magnetic foot; pay atten-
tion that the magnetic holding power is sufficient:
– When the green button on the control panel lights up
permanently, the magnetic holding power is sufficient
and the machine can be operated with manual or
automatic feed.
– When the Magnet button on the control panel
flashes, the magnetic holding power possibly is insuf-
ficient and the machine must be operated manually
with reduced feed. In this case, the KBM 50 auto can-
not be operated in automatic mode.
When working on materials that are not magnetizable,
suitable fixation devices, obtainable as accessories from
FEIN, e. g. suction plate, vacuum plate or pipe-drilling
device must be used.
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.
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.
When the power supply is disconnected while the motor
is running, a protective circuit prevents automatic restart-
ing of the motor. Restart the motor again.
Adjust the gear setting only when the machine is at a
complete stop or when the motor is running down.
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
press the button with the
Do not stop the drill motor during the drilling procedure.
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 hand.
Always use a chip hook.
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.
Do not use the magnetic core drill unit when the cooling-
lubricant system is defective. Each time before operating,
check for tightness against leaks and for cracks in the
hoses. Prevent liquids from entering or penetrating elec-
trical components.
KBM 50 auto: Do not use the automatic feed when drill-
ing, countersinking, tapping and reaming.
The KBM 50 auto magnetic core drill unit is equipped
with core-bit break-through detection. Upon completion
of the drilling procedure, the machine detects the break-
through, and the drill motor automatically returns to the
starting position. The drill motor does not switch off until
in the starting position.
Repair and customer service.
The total insulation of the power tool can be impaired.
Blow out the interior of the power tool via the ventila-
tion slots frequently with dry and oil-free compressed air,
and connect a residual current device (RCD) on the line
side.
After several hours of operation, the play in the dove-tail
guide can increase. As a consequence, the drill motor can
glide alongside the dove-tail guide by itself. In automatic
machine operation, this can lead to a malfunction of the
automatic reversing feature. In this case, retighten all set
screws of the dove-tail guide correspondingly so that the
drill motor can easily be moved manually, yet does not
glide by itself (see page 17).
If the supply cord of this power tool is damaged, it must
be replaced by a specially prepared cord available through
the FEIN customer service centre.
TThe current spares parts list for this power tool can be
found on our website at www.fein.com.
If required, you can change the following parts yourself:
Application tools, cooling-lubricant tank
symbol, and then
Warranty and liability.
symbol.
The warranty for the product is valid in accordance with
the legal regulations in the country where it is marketed.
In addition, FEIN also provides a guarantee in accordance
with the FEIN manufacturer's warranty declaration.
The delivery scope of your power tool may include only
a part of the accessories described or shown in this
Instruction Manual.
Declaration of conformity.
FEIN declares itself solely responsible for this product
conforming with the relevant provisions given on the last
page of this Instruction Manual.
Technical documents at: C. & E. Fein GmbH, C-D1_IA,
D-73529 Schwäbisch Gmünd
Environmental protection, disposal.
Packaging, worn out power tools and accessories should
be sorted for environmental-friendly recycling.
When working metal under extreme operat-
ing conditions, it is possible for conductive
dust to settle in the interior of the power tool.