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Cleaning the cooling air ducts
Regularly clean the cooling air ducts through which the ambient air flows.
The frequency of the cleaning intervals depends on the local degree of fouling.
NOTICE
Damage to the machine
Material damage can occur if you direct compressed air in the direction of the shaft outlet or
machine openings.
• Avoid pointing compressed air directly onto shaft sealing rings or labyrinth seals of the
9.4.4
Cleaning machines with cover for the textile industry
In the case of machines with fan covers for the textile industry, regularly remove fluff balls,
fabric remnants, and similar types of contamination (particularly at the air passage opening
between the fan cover and cooling fins of the machine enclosure) to ensure that the cooling
air can flow without obstruction.
9.4.5
Drain condensate
If there are condensation drain holes present, open these at regular intervals, depending on
climatic conditions.
Hazardous voltage
The winding can be damaged if objects are introduced into the condensation holes
(optional). This can lead to death, serious injury or material damage.
Note the following to maintain the degree of protection:
• Switch off the machine so that it is in a no-voltage condition before you open the
• Close the condensation drain holes, e.g. using T-plugs, before commissioning the
NOTICE
Reduction of the degree of protection
If condensation drain holes are not closed, then this can result in material damage to the
motor.
In order to maintain the degree of protection, after the condensation has been drained, you
must close all of the drain holes.
Smoke extraction motors
Operating Instructions, 03/2016, 5 610 80000 40 018
machine.
WARNING
condensation drain holes.
machine.
Maintenance
9.4 Maintenance
75
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