Maintenance and repair
Incorrectly implemented mainte-
nance work
Environmental protection
8.2 Maintenance of impeller and housing
WARNING!
Danger of injury due to incorrectly implemented
maintenance work!
–
Ensure that there is sufficient space for assembly
before beginning any work
–
Pay attention to tidiness and cleanliness in the place
of assembly! Loosely positioned components or
those left lying around are potential sources of acci-
dents
–
When components have been removed, pay atten-
tion to correct assembly, reinstall all fixing elements
and comply with the screw torque levels
–
Pay attention to the following before initialisation:
–
Ensure that all maintenance work has been
implemented and completed in accordance with
the details and information in the manual
–
Ensure that no persons are within the danger
area
–
Ensure that all covers and safety equipment is
installed and in perfect working order
The following information on environmental protection must be
observed during maintenance work:
n
Remove any escaping, used or excess grease, from all lubrica-
tion points that are supplied with a lubricant, by hand and dispose
of it in accordance with the valid local regulations.
n
Collect any replaced oils in suitable containers and dispose of it
in accordance with the valid local regulations.
a)Dismantle the impeller
CAUTION!
"- Switch the fan tension-free."
"- Wait for the standstill of the impeller."
"- Ensure the fan against unauthorised switch-on!"
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