Siemens Simotics T-1FW6 Operating Instructions Manual page 18

Fundamental safety instructions
1.1 General safety instructions
Burn injuries caused by hot surfaces
In operation, the motor can reach high temperatures, which can cause burns if touched.
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Measures when maintenance is required:
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CAUTION
Mount the motor so that it is not accessible in operation.
Allow the motor to cool down before starting any work.
Use the appropriate personnel protection equipment, e.g. gloves.
1FW6 external rotor built-in torque motors
Operating Instructions, 12/2020, A5E49196960B AB