Cleaning The Cooling Air Passages - Siemens SIMOTICS M-1PH8 Operating Instructions & Installation Instructions

9.3.6.6

Cleaning the cooling air passages

Cleaning the cooling air passages
● Regularly clean the cooling air passages through which the ambient air flows, e.g. using
Servicing the external fan
● Check the external fan in accordance with DIN ISO 10816 every 12 months for mechanical
● Regularly clean and inspect the fan. Impeller and frame are subject to natural wear
SIMOTICS M-1PH8
Operating Instructions 05/2012 A5E03986435A AA
dry compressed air.
CAUTION
Cleaning intervals depend on the degree of fouling
The frequency of the cleaning intervals depends on the local degree of fouling. The
machine can overheat if the cooling air passages are fouled and the cooling air cannot
flow without obstruction.
Check for fouling regularly and clean the cooling air passages through which the ambient
air flows.
vibrations. The maximum permissible vibrational severity is 2.8 mm/s measured on the end
shield of the impeller-side motor bearing.
depending on the area of application and displacement medium.
WARNING
Impeller can crack
Due to deposits and the resulting imbalance there is a hazard of fatigue fracture of the
impeller. The impeller can crack in operation. Death, serious injury, or material damage
can result.
Regularly clean and inspect the fan.
Maintenance
9.3 Inspection and maintenance
99