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Installation precautions
For the installation of the motor please consider the following:
• make sure that no damages have occurred during transportation;
•
carefully remove the components of the plant from the wrapping material and any other
protective devices;
•
make sure that the value of the voltage on the rating plate is the same as the voltage of
mains;
•
the surfaces in contact with the electric bonding and the rating plate must not be varnished;
•
set the motor on a flat surface;
•
make sure that the bearings or the flange are well fixed and that in case of direct joint the
motor is perfectly aligned;
•
make the rotor rotate manually in order to verify the absence of any dragging;
•
verify the rotation sense removing the joint;
•
key (extract) the output components (i.e. joint, belt pulley, etc.) only using apt devices
(shrinking-on). Avoid not allowed tension on the pulley (ref. catalogue par. technical sheet);
•
in the models in which the shaft is with the end downwards, use the protective cover. If the
end of the shaft is upwards, use a cover preventing any penetration of external parts into the
fan;
•
do not hinder ventilation. The discharged air, together with the air coming from other groups,
must not be immediately re-aspirated;
•
verify the correct grounding of the motor
Technical Manual Delphi/Mono series motors rev.20
page 60 of 83
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