Foundation; Balancing And Fitting Coupling Halves And Pulleys; Mounting And Alignment Of The Motor; Belt Drives - ABB M3EB Serie Manual De Instalación, Operación, Mantenimiento Y Seguridad

3.3 Foundation

The end user has full responsibility for preparation of the
foundation.
Metal foundations should be painted to avoid corrosion.
The foundations must be even (see the image below) and
sufficiently rigid to withstand any short circuit forces. They
must be designed and dimensioned to prevent vibration
from being transferred to the motor, as well as any vibra-
tion caused by resonance.
Ruler
Note! Height difference shall
not exceed ± 0,1 mm referred
to any other motor foot
Foot location
3.4 Balancing and fitting
coupling halves and pulleys
As standard, balancing of the motor has been carried out
using the half key balancing method. Coupling halves or
pulleys must be balanced after the keyways are machined.
Balancing must be done in accordance with the balancing
method specified for the motor.
Coupling halves and pulleys must be fitted onto the shaft
using suitable equipment and tools which do not damage
the bearings or seals.
Never fit a coupling half or pulley by hammering, and never
remove one using a lever pressed against the body of the
motor.
3.5 Mounting and alignment
of the motor
HDP motors for frame sizes of 100, 132, 160 and 200 are
designed according to IEC 60034-7 for both flange and
feet installation For a frame size of 250, flange mounting is
optional.
Correct alignment is essential to avoid bearing, vibration
and possible shaft failures.
Mount the motor on the foundation and/or the mounting
flange using appropriate bolts or studs, and place shim
plates between the foundation and the feet.
Align the motor using appropriate methods.
Re-check the alignment after final tightening of the bolts or
studs.
Do not exceed the permitted loading values for bearings
stated in the product catalogues.
8 – EN ABB Motors and Generators | 9AKK105975, Rev. A 01-2015
Foot location

3.6 Belt drives

Check that the motor shaft is parallel with the drive shaft.
Belts must be tensioned according to the instructions of
the supplier of the driven equipment. However, do not
exceed the maximum belt forces (i.e. radial bearing
loading), which can be requested from ABB.
WARNING
Excessive belt tension will damage the bearings and
may cause damage to the shaft.
3.7 Cabling and electrical
connections
The terminal box on a standard HDP motor normally
contains winding terminals and at least one earthing
terminal.
In addition to the main winding and earthing terminals, the
terminal box can also contain connections for thermistors,
heating elements or other auxiliary devices.
The picture below gives an overview of a standard terminal
box:
Power terminals
Auxiliary terminals
The size and interior layout of the terminal boxes may differ
depending on the motor size, rated power, and optional
accessories.
Suitable cable lugs must be used to connect all main
cables.
The machines are intended for fixed installation only. If not
otherwise specified, cable entry threads are metric. The IP
class of the cable gland must be at least the same as that
of the motor.
Unused cable entries must be sealed with blanking
elements according to the IP class of the motor.
WARNING
Use cable glands and seals in the cable entries which
are suitable for the type and diameter of cable being
used.