Bernard Controls SQ Serie Anleitung Für Die Inbetriebnahme, Lagerung Und Wartung Seite 16

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Storage of actuators equipped with electronic components:
Long term storage of electronic components which are not in service increases
the malfunction risk. This practice is therefore highly unadvisable.
If a long term storage is absolutely necessary, we strongly recommend
a revision of the electronic boards in our factory before actuator usage.
Control after storage:
a) Visually check the electric equipment,
b) Operate manually the microswitches, buttons, selectors, etc., to insure
the correct mechanical function,
c) Operate apparatus manually,
d) Verify the correct grease consistency,
e) For actuators equipped with grease nipple, remember to complete
with some fresh grease.