Decommissioning and disposal
11.2 Disposal
Synchronous/induction motors 1PH813
84 Operating Instructions, 04/2009, 610.48000.22
11.2.4 Disposing of permanent magnets
Permanent magnets must be demagnetized prior to disposal. This helps avoid potential
hazards caused by permanent magnets during and after disposal. Permanent magnets are
heated to demagnetize them.
Demagnetizing permanent magnets
Permanent magnets can be demagnetized in one of the following ways:
● Arrange for the entire machine to be subject to thermal treatment by a specialist disposal
company.
● Return the machine to the manufacturer who can then remove and demagnetize the rotor
and/or permanent magnets. Rotors that are still installed and have not been
demagnetized must not be transported.
NOTICE
Removing the rotor
The rotor in a machine containing permanent magnets must only be removed by the
manufacturer. Contact the Siemens Service Center.
11.2.5 Disposing of components
Components
The machines mainly comprise steel as well as various copper and aluminum elements.
Metals can always be recycled.
Sort the components for recycling according to whether they are:
● Iron and steel
● Aluminum
● Non-ferrous metal (e.g. motor windings)
The winding insulation is incinerated during copper recycling.
● Insulating materials
● Cables and wires
● Electronic waste
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