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Maintenance
9.1 Inspection and maintenance
Note
The fan should be cleaned with a suitable cloth or brush, and steps should be taken to
prevent moisture from entering the motor.
● Once the voltage has been disconnected on all poles, wait for five minutes before
● Never open the device during operation.
● Never loosen any fixing screws for the ventilation unit during operation.
● To clean the fan, remove the guard from the ventilation unit. The motor does not need to
● Once you have finished cleaning the device, screw the guard (with fan) back on to the
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touching the device.
be separated from the guard.
ventilation unit. When doing so, tighten the four screws to a torque of 4 Nm.
Synchronous/induction motors 1PH813
Operating Instructions, 04/2009, 610.48000.22
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