Manual for Induction Motors and Generators
Recycling - 119
3BFP 000 050 R0101 REV E
instructions of the heat treatment process, or the maintenance of the heat treatment
equipment and these aspects must be taken care of by the customer.
10.5.3 Permanent magnets
If the permanent magnet synchronous machine is melted down as a whole, nothing needs to be
done to the permanent magnets.
If the machine is dismantled for more thorough recycling and if the rotor must be transported
after it, it is recommended that the permanent magnets are demagnetized. The demagnetization
is done by heating the rotor in the oven until the permanent magnets reach a temperature of
+300 °C (572°F).
WARNING: Magnetic stray fields, caused by an open or disassembled permanent magnet
synchronous machine or by a separate rotor of such a machine, may disturb or
damage other electrical or electromagnetic equipment and components, such as
cardiac pacemakers, credit cards and equivalent.
10.5.4 Hazardous waste
The oil from the lubrication system is a hazardous waste and has to be handled according to
local instructions.
10.5.5 Land fill waste
All insulation material can be handled as a land fill waste.
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