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06.2019
5.1 Hazards
Pay attention to the safety devices described in this manual and follow the safety notes.
When doing setup, maintenance and repair work within the ex-
plosion-hazarded area, make sure that there isn‘t a critical gas
concentration. Use a gas detector. Always avoid handling all kinds of
ignition sources inside the explosion-hazarded area. Welding, cutting
and polishing work may be performed only, if the related permission
was granted.
During setup, maintenance and repair work, mind the squeezing
hazards.
During setup, maintenance and repair work, mind the hazard due to
electric current!
During setup, maintenance and repair work, be aware of the risk of
getting burned due to hot components.
In the event of a failure of the forced ventilation, the drive motor pre-
sents a hazard of getting burned.
5. General warning symbols
5.2 Operating and hazardous areas on the fan
Hazardous area
During setup, maintenance and repair work, the overall area around the fan is a hazardous
area.
To avoid the occurrence of ignition sources, the operating and main-
tenance personnel must be equipped properly and receive adequate
instructions for realization of cleaning and maintenance work, e.g.
J to avoid the use of tools giving rise to sparking,
J strict observance of the smoking ban,
J to avoid the actuation of ignition sources (e.g. lighters, etc.).
Operating manual
Centrifugal fans
HF R | RV | MRV
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