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Installation and maintenance
LSRPM - PLSRPM
Synchronous permanent magnet motors
LEROY-SOMER
4155 en - 2012.05 / e
IMPORTANT
These symbols
appear in this document whenever it is important to take special precautions during installation,
operation, maintenance or servicing of the motors.
It is essential that electric motors are installed by experienced, qualified and authorised personnel.
In accordance with the main requirements of EEC Directives, the safety of people, animals and property should be ensured when
fitting the motors into machines.
Particular attention must be given to equipotential ground or earthing connections.
The following preliminary precautions must be taken before working on any stationary device:
• mains voltage disconnected and no residual voltage present
• careful examination of the causes of the stoppage (jammed transmission - loss of phase
- coupure par protection thermique - défaut de lubrification...)
Even when not supplied with power, there is voltage at the terminals of a rotating synchronous motor with magnets.
Accordingly, before carrying out any work check carefully that the motor is not rotating.
For dismantling the permanent magnet motor
Assembly or maintenance of the rotor must not be carried out by people with pacemakers or any other
implanted medical electronic device.
The motor rotor contains a powerful magnetic field. When the rotor is separated from the motor, its field may affect
pacemakers or disturb digital devices such as watches, mobile phones, etc.
