Maintenance report checklist
Maintenance work
Ventilation ATEX
Smoke exhaust fan
to be carried out in the relevant
category
Standard
with VD
with VD
+VME
with moni-
toring
system
To be carried out every six months by instructed personnel
Fan is free of foreign matter (tools,
dirt, etc.).
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To be performed annually by instructed personnel
Visual inspection of the unit’s gen-
eral external condition, checking for
contamination, damage and corro-
sion, and cleaning if necessary
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Check flexible connector(s) for
damage and ensure stress-free
installation
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Check the cooling air supply for a
free cross section (VD monitors the
motor temperature)
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Check the anti-vibration mounts for
free movement and damage
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Check the electrical fan connection
terminal box and cables for
damage and correct installation
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Check the impeller for damage and
free movement
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Perform a functional check: 20
minutes
2
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Check the direction of rotation
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Check the electric motor’s current
consumption
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Measurement and evaluation of the
bearing condition
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Read off the VD display (check
“traffic lights” and display values) or
read out data
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To be performed annually by specialist personnel
Check the vibration state
3
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2
Note: In the version with VD, the first functional check is automatically saved as the reference run. This is used as a comparison for all subse-
quent functional checks under the same operating conditions
3
The values specified in the operating manual must be complied with. The values must be determined according to ISO 14694.
4
The bearings’ service life is generally 20,000 h, but the actual service life can deviate considerably from this depending on the bearing load.
The operating instructions provided by the motor manufacturer are available for download from the manufacturer’s website.
5
Recommendation: An annual bearing check should be performed.
Maintenance report
Axial fans AXO/BVAXO; AXN/BVAXN; ZAXN/BVZAXN
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