Mechanical Installation - Emerson Unimotor Serie Manuel D'installation

Installation
Before you attempt any installation operations, please make sure that the voltage supply to the
motor is off, and the cables are disconnected
During operation the motor surface temperature may exceed 100°C. Ensure that temperature
sensitive devices do not touch the motor surface.
DANGER
High Voltage
Mount the motor on a suitable thermally conductive surface as this will assist in reducing the
motor body temperature and allow sufficient space around the motor for the free circulation of
air.
Ambient temperatures of between 0°C and 40°C are acceptable.
If the thermal path via the front flange is impeded, de-rate the motor performance.
CAUTION
The machine runs hot
Please contact your local Drive Centre or Distributor for further details and assistance.

Mechanical Installation

Unimotors are manufactured in accordance with the standards stated in the EC declaration of conformity as
well as EN60072-1 (Dimensions and output series for rotating electrical machines) EN60072-1 Type N
(Normal class).ISO1940-1 (Balancing to G6.3).ISO8821 (half key convention).
Bolt the motor flange to a substantial metal plate.
Correctly locate the registration spigot.
Unimotors are sealed to IP65, excluding the front face.
The output shaft should be correctly aligned with the driven load.
It is inadvisable to fit a third bearing to the shaft.
Ensure the output key is correctly seated before mounting keyed components to the shaft.
If a keyed Unimotor is run without a coupling fitted, then to reduce risk of injury, remove or tape the output key.
Do not use a hammer to fit components to the shaft; this will damage the motor bearings and the feedback
device and invalidate the warranty.
Use a bolt and washer to draw components onto the motor shaft using the tapped hole in the end of the shaft.
Remove components using a suitable gear puller.
The maximum load ratings (Radial and Axial) should not be exceeded, see tables below for details.
Timing belts should never be over tightened. Refer to belt manufacturer for details.
During connection care must be taken to ensure suitable sealing for cable outlets.
The conductor size for the Power cable should be selected according to the motor stall current.
Allow sufficient room for access to the cables and connectors. The minimum cable bend radius is 10 x the cable
diameter.
If the Unimotor rating label is obscured after mounting, affix the duplicate rating label to a visible part of the
motor or machine.
Please contact your local Drive Centre or Distributor for further details and assistance.
ATEX Unimotors UM and fm special conditions: The motor front face must be bolted to the machine in such
a way that the IP 65 protection is maintained.
If the motor was exposed to airline pressure at 7 bar the motor shaft seal should be checked for damage and
replaced if necessary.
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