Siemens SIMOTICS A 1FU8, Operating Instructions Manual

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Operation
8.2 Safety instructions
1FU8
Operating Instructions, 02/2016, 5 610 70000 02 000
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8.2.4 Safety instructions for cleaning
Cleaning
To ensure problem-free machine cooling, the air ducts (ventilation grilles, channels, cooling
fins, tubes) must be free of pollution.
WARNING
Risk of explosion when cleaning with compressed air
If you clean the machine with compressed air, plastic components may become statically
charged and ignite a potentially explosive atmosphere; an explosion can occur. This can
result in death, serious injury or material damage.
•
Do not use compressed air to clean motors when installed in hazardous zones!
8.2.5 Safety instruction regarding ventilation
8.2.5.1 Safety instructions when operating machines with fan
CAUTION
Risk of injury when touching the fan
There is a risk of injury at machines equipped with a fan cover (e.g. fan cover used in the
textile industry), as the fan is not completely touch protected.
• Do not touch the rotating fan.
•
Do not put your fingers into the larger air discharge openings.
• Manual intervention must be prevented on the customer's side by using suitable
measures, e.g. appropriate housings or a protective grating.
8.2.5.2 Safety instruction regarding forced ventilation/external fan (optional)
Forced ventilation (optional): Type of cooling IC 416 in accordance with EN / IEC 60034-6
WARNING
Risk of burning
Operating the machine without external fan results in overheating. This may result in death,
personal injury and material damage.
•
Never commission the machine without an external fan.