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R3G250-AL54-01
Mounting of
Visual inspection At least every
protective
earth connection
Check the
Visual inspection At least every
insulation of
the wires for
damage
Impeller for
Visual inspection At least every
wear/deposits/
corrosion and
damage
Check the ball
Manual check
bearings to
by turning the
ensure they
rotor in shut-off
are quiet, can
state
move easily
and are free of
play
Item no. 50071-5-9970 · Revision - · Release 2011-02-25 · Page 10 / 10
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
Operating instructions
Fasten
6 months
Replace wires
6 months
Clean or
6 months
replace impeller
At least every
Replace
6 months
device in case
of noise,
difficulty of
movement or
clearance of
the bearings
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