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Rockwell Automation Publication MM-IN001B-EN-P - February 2022
53
Kinetix MMA Asynchronous Main Motors Installation Instructions
b. Remove the sets of hardware that hold the blower assembly to the blower housing. See
for additional information. Keep the hardware; you use them to attach
the cover in
.
c. Lift and remove the blower assembly from the blower housing.
4.
If you have an axial blower, disconnect and remove the fan.
screw types and torque values.
a. Remove the four nuts that secure the rear blower cover to the motor.
b. Remove the four screws on the blower terminal box and the remove cover.
c. Disconnect the wires in the blower terminal box. See
for additional information.
d. Remove the screws that secure the fan to the blower housing.
e. Reattach the blower terminal box cover using the screws from
.
See
for torque values.
f. Remove the four screws on the feedback connector.
g. Slide the blower housing out approximately 8 cm (3 in.).
h. Disconnect the ground wire from the spade connector located near the
feedback connector inside of the blower housing.
i. Slide the feedback connector wires through the slit. Secure it to the motor.
j. Slide the blower housing an additional distance.
k. Remove the fan and fan nuts from the blower housing.
l. Reattach the fan nuts and screws to the blower housing.
See
for torque values.
m. Slide the blower housing toward the motor. Stop at approximately
8 cm (3 in.).
- For shaft height 100 without the brake option, insert the bolts threads into the motor and blower housing.
n. Reattach the ground wire to the spade connector mentioned in
o. Reattach the feedback connector by using the screws in
See
for torque values.
p. Slide the blower housing the remaining distance to the motor. For shaft height 100, reinsert and tighten the threaded bolts. See
for torque values.
q. Reattach the four nuts to the rear blower cover that were removed in
.
See
for torque values.
5.
Remove the blower guard or blower cover from the rear side of the motor by removing the screws. See
for quantity and type.
Figure 21 - Blower Housing Guard and Cover
ATTENTION:
The blower assembly is not balanced when lifted. Take precautions to avoid swinging,
personal injury, or equipment damage.
IMPORTANT
For shaft height 100 without the brake option, the blower
housing is attached by using long bolts that get removed
during this procedure. All other shaft heights use
extension rods that attach to the motor.
Table 54 - Axial Blower Torque Values
Step
Motor Shaft Height
Screw/Nut Size
Torque
N•m (lb•in)
Step
Motor Shaft Height
Screw/Nut Size
Torque
N•m (lb•in)
(a and q) blower cover
SH80
(1)
and SH100
(1)
There is no IC-17 clean-air option for shaft height 80. It is included in this table for direct axial to axial blower housing replacement procedures only.
M5
3 (26.55)
(d and l) fan screws
all
Phillips
Hand-tighten
SH132 and SH160
M8
9 (79.66)
(b and e) blower terminal box
Phillips
Hand-tighten
SH180
M10
25 (221.27)
(f and o) feedback connector
M3
1.1 (9.74)
SH225
M16
50 (442.54)
(a) (q)
x4
(d)
( l )
(c)
(f) (o)
x4
(g)
(h) (n)
(i)
( j )
(k)
(m)
(d)
( l )
(p)
(b) (e)
x4
Figure 20 - Axial blower removal
Axial Blower
Radial Blower