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The chapter on „Maintenance / Cleaning“ is intended only for
qualied personnel. Maintenance, cleaning and repair work may be
performed only by qualied personnel.
8. Maintenance / Cleaning
Qualied person
A person who is able to assess the work he/she is in charge of and aware of potential hazards
due to his/her professional training, skills and experience as well as his/her knowledge of the
relevant standards.
Denition according to EN 60204-1.
To ensure smooth operation of the fan, cleaning and maintenance of the fan at regular intervals
is required.
During operation, the fan is subject to vibration susceptible of releasing screwed and clamping
connections. To prevent damage, check the fan for loosened connections at regular intervals
(recommended interval with single-shift operation: 3 months).
For information on maintenance/cleaning of individual components
purchased from other manufacturers (e.g. electric motor), refer to the
corresponding manufacturer operating instructions.
When switching o the supply voltage because of cleaning, mainte-
nance and repair work, measures to prevent the supply voltage from
being switched on accidentally must be taken by the user (locking the
main or maintenance switch using a padlock).
During maintenance and repair work, mind all rotating and mobile
parts. Risk of entanglement! Tight clothing must be worn in the dan-
ger area.
During maintenance and repair work, mind the squeezing hazards.
The fan may be operated only by specialized personnel qualied and
trained for operation.
7. Operation
Operating manual
Centrifugal fans
HF R | RV | MRV
www.hlu.eu
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