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Rockwell Automation Publication MM-IN001B-EN-P - February 2022
51
Kinetix MMA Asynchronous Main Motors Installation Instructions
Instructions to Reposition or Replace the Radial Blower Assembly
Perform this procedure on a workbench. Follow steps for all shaft heights unless otherwise indicated.
1.
Remove incoming power from the motor and the blower. Allow time for any stored energy to discharge.
2.
Use shims or riser blocks to allow clearance for lifting straps, then place the motor on a workbench or other suitable work surface.
3.
Remove the four sets of hardware (nut, screw, spring washer, and/or washer) that secure the blower to the motor. See
information. Keep the hardware for
4.
Attach a crane or other lifting assistant to the blower assembly.
5.
Disconnect
and remove the four screws that secure the feedback connector to the adapter plate.
See
Remove and Install the Feedback Connector
for additional information.
• For shaft height 180 and 225 only, remove the four screws that secure the adapter plate to the
blower housing, then slide the feedback connector and wires through the opening and into
the blower housing.
6.
Slide the blower assembly out approximately 8 cm (3 in.).
7.
Disconnect the feedback connector ground wire inside of the blower housing.
8.
Slide the blower assembly away from the motor and off the extension rods.
9.
Lift, rotate, and move the blower assembly into the new orientation.
ATTENTION:
For blower weight, see
. It is recommended to use two people or a crane to remove
the blower assembly from the motor. Blower weight exceeds 22.67 kg (50 lbs) in all cases.
If using the crane for
assistance, exercise caution and diligence: do not to bend, twist, or strain the extension rods.
IMPORTANT
Secure the feedback cables and ground wire during this procedure to avoid
damage.
ATTENTION:
The blower motor is not balanced when lifted. Take precautions
to avoid swinging, personal injury, or equipment damage. See also
ATTENTION:
The blower screws cause a height differential between the
motor and a repositioned blower. When repositioning the blower to the left or
right, you may need to add a shim under the motor and level it.
Radial Blower (standard)
Radial Blower with Alternate Orientations
Left
Right
Top
ATTENTION:
The blower screws
cause a height differential between
the motor and a repositioned blower.
When repositioning the blower to the
left or right, you may need to add a
shim under the motor and level it.
IMPORTANT
Instructions to Lift on page 15
for
additional information on blower assembly
weight.
Do not lift the blower assembly during this
step - it may be necessary to adjust the
tension on the extension rods to slide the
blower assembly away from the motor. See
.
α < 30°
α
α
Shaft Height
180 and 225
only
Shaft Height
100, 132, and 160
only
Figure 19 - Feedback Connector and Ground Location