Siemens SIMOTICS FD 1MN1 Operating Instructions Manual page 146

Maintenance
9.2 Corrective Maintenance
Danger of explosion as a result of a fan impeller coming into contact with its surroundings
The fan impeller of a metallic external fan coming into contact with another component can
cause arcing and explosion. This can result in death, serious injury or material damage.
● Remove any dirt.
● Regularly and after any performed work check the distance between the fan impeller and
● Please contact the Service Center if you require any support when aligning the
See also
Service and Support (Page 181)
146
WARNING
adjacent components, such as air inlet nozzle. Correct the alignment of the components,
if necessary. The gap between the air inlet nozzle and the fan impeller should be at least
2 mm around the complete circumference.
components.
SIMOTICS FD 1MN1
Operating Instructions 02/2019