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Preparing for use
4.6 Ensure adequate cooling
4.6
Ensure adequate cooling
Overheating and failure of the motor
Death, severe injury or material damage can occur if you do not carefully observe the
following points.
• Do not obstruct ventilation.
• Prevent the air expelled by neighboring equipment from being immediately sucked in
• For vertical types of motor construction with the air intake from above, protect the air
• If the shaft extension is facing upwards, liquid must be prevented from entering by
Damage caused by small parts falling in
Material damage and injury can occur if the fan is destroyed and therefore the motor
overheats.
• For types of construction with the shaft extension facing downwards, prevent small parts
• Ensure that the cooling air flow is not reduced as a result of covers and that the
34
WARNING
again.
intakes from the ingress of foreign bodies and water.
moving along the shaft.
WARNING
from falling into the fan cover by providing suitable covers.
minimum air clearances are maintained.
1LE7 shaft heights 71 ... 315
Operating Instructions, 04/2022, A5E51689275A-AA
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