DOC No: PN 86880 REV A
19
MAGNET DECOUPLING
The EagleDrive pump/motor combinations do not decouple. If pump load
becomes excessive, current limiting in the controller prevents motor overload.
Additional protection is provided by a thermal sensor which shuts down the drive
if the internal temperature exceeds a preset value.
MAINTENANCE
Excessive wear to the pump can result in driven magnet rub on the
magnet cup. This can generate high surface temperatures or degrade
the capability of the pressure boundary. Remove the pump from
service and replace or repair if pump performance degrades
signicantly or the pump becomes noisy.
Ensure that heavy deposits of dust are not allowed to accumulate.
Clean the pump periodically.
The pump cannot be drained completely, a certain amount of liquid will
remain in the magnet cup area. Ensure that the pump is either ushed
with a suitable ushing agent or precautions are taken against the
eect of any remaining liquid during servicing. When the pump has
been handling ammable, toxic or hazardous uid, the pump internals
must be properly decontaminated by suitably qualied personnel. The
Material Safety Data Sheet for the pumped liquid must be referred to
for correct procedures and precautions to be followed when handling
the liquid.
Micropump EagleDrive motors are designed to be maintenance free and require
no adjustments. To ensure the motor or pump/motor assembly retains optimum
performance maintain the uid circuit to keep lters clean and prevent abrasive
solids from passing through the pump.
A program that includes periodic monitoring of your Micropump
product is recommended to provide timely detection and assessment
of any problem.