SIMOTICS M-1FE2 built-in motors
Hardware Installation Manual, 04/2020, A5E50074509B AA
177
9.1 Safety instructions
Danger to life caused by machine movement and loose objects
Machine movement and loose objects that can fall out or be ejected can cause death or
severe injury.
• Ensure that the machine has been completely installed and all of the setting work
completed.
• Ensure that nobody is at risk at switch on.
• Before switching on, check that there are no loose objects in or on the motor that can
fall or be flung off.
• Before switching on, check that all safety guard covers are installed and all safety
equipment functions correctly.
Danger to life caused by a rotating rotor or ejected parts
Rotating rotors and the resulting ejected parts can cause death or injury.
• Secure rotating output elements using the appropriate safety guards.
• Secure loose parts, e.g. feather keys to prevent the ejection.
Danger to life when the cooling system bursts
The motor will overheat if it is operated without cooling. When cooling water enters the hot
motor, this immediately and suddenly generates hot steam that escapes under high
pressure. This can cause the cooling water system to burst, resulting in death, severe injury
and material damage.
• Never operate the motor without cooling.
• Only commission the cooling water circuit when the motor is in a cool condition.
Burns as a result of touching hot surfaces
In operation, the motor housing can reach high temperatures, which can cause burns if
touched.
• Do not touch any hot surfaces.
• Allow the motor to cool down before starting any work.
• Use the appropriate personnel protection equipment, e.g. gloves.
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