1FK7 G2 synchronous motors
Operating Instructions, 05/2021, A5E50907562B AA
111
Maintenance
9
9.1
Safety instructions
If you have any questions, please contact the manufacturer, quoting the machine type and
serial number.
WARNING
Electric shock when live parts are touched
Death or serious injury can result when live parts are touched.
•
Only work on electrical equipment if you are appropriately qualified.
•
Always comply with the local national safety regulations when working on electrical
equipment.
Generally, six steps apply when establishing safety:
1.
Prepare for shutdown and notify all those who will be affected by the procedure.
2.
Disconnect the machine from the power supply.
–
Switch off the machine.
–
Wait until the discharge time specified on the warning labels has elapsed.
–
Check that it really de-energized, from phase to phase and phase to protective
conductor.
–
Check that every auxiliary circuit is de-energized.
–
Ensure that the motors cannot move.
3.
Lock SIMOTICS S motors so they they cannot make any inadvertent motion, which would
generate a voltage at the terminals.
4.
Identify all other dangerous energy sources, e.g. compressed air, hydraulic systems or
water.
5.
Isolate or neutralize all hazardous energy sources, e.g.
•
By opening switches
•
By grounding, short-circuiting or
•
By closing valves
1.
Take measures to prevent reconnection of the energy sources.
2.
Carefully ensure that the machine is completely locked out and that you have the right
machine!
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