Repair
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All work on the fan must be carried out exclusively by
competent persons with the fan switched off and the
impeller at a complete standstill.
This applies in particular for repairs and servicing
work, such as replacement of the impeller or
replacement of the bearings.
All tasks on the electrical connections may only be
carried out by electrical specialists.
Basic procedure for repairs and servicing work:
Allow the fan to run down and switch it off
Wait until the impeller comes to a complete standstill
Secure the fan against unintentional restart
Following conclusion of the repair, ensure correct
installation condition and secure fastening of the replaced
part
DANGER
All tasks with and on the fan!
Fatalities or extremely serious injuries as a result of
transport, mounting, commissioning and start-up, operation,
operating, troubleshooting, inspection, maintenance, repair,
shutting-down, dismantling and disposal.
→ Wear personal protective equipment.
→ Observe safety regulations.
→ Observe the regulations for the prevention of accidents.
NOTICE!
Ensure that the fan remains accessible for all
inspections, maintenance tasks and repairs.
14. Repair
Fig. 14-1 Spatial requirement for repairs
(fan shown as an example)