October 13, 2015
7034-276E
29
MT. VERNON AE
Figure 29.3
Depress Tab and
Snap Out Power
Supply
Remove
Left Side
Panel
Disconnect Wire Harness
from Bottom of Blower
Remove 2
Screws
Remove
Right Side
Panel
Figure 29.2
C. Convection Blower Replacement
1. Follow the proper shut down procedures as outlined on
page 21, Section 4.A.
2. Remove the left and right side panels by removing the 4
screws using a Phillips head screw driver.
Figure 29.1
.
3. Depress the tab on the left side and snap out the power
supply. You do not need to disconnect any wires.
Figure
29.1.
4. Remove the 2 screws at the bottom of the back panel so
there will be room to remove the blower.
Figure 29.1
5. Reach behind the blower and release the latch by pushing
the top of the latch towards the blower.
Figure 29.2.
6. Rock the top of the blower slightly and lift up. The blower
will pass around the control board and out the left side of
the appliance.
7. Disconnect the wire harness from the bottom of the
blower by depressing the tabs on the sides of the con-
nector and then pulling to remove.
Figure 29.1.
8. Re-connect wire harness to the new blower.
9. Install replacement blower by placing the bottom fl ange
into the opening fi rst then rotate blower up into position.
10. When the blower is properly positioned the latch will engage
the notch to hold the blower in place.
Figure 29.3
.
11. Re-secure the back panel, snap the power supply back
in and re-secure the side panel(s).
D. Combustion (Exhaust) Blower Replace-
ment
1. Follow the proper shut down procedures as outlined on
page 21, Section 4.A.
2. Remove the right side panel by removing the 4 screws
using a Phillips head screw driver.
Figure 29.4
.
3. It is not necessary or recommended to remove the hous-
ing to replace or service the combustion blower. You
only need to remove the motor and impeller.
4. Disconnect the wire from the control board connection
points #1 and #8. Depress the tab on the connector to
disconnect the wire (similar to a telephone connector).
See page 31
for the locations of #1 and #8.
5. Using an 11/32 socket or nut driver, loosen the (6) 8x32
nuts securing the motor and impeller to the housing.
Rotate the blower and remove from housing.
6. Holding the black plastic body of the motor, rotate the
impeller counter-clockwise until blades line up with
opening in the housing and remove motor and impeller.
7. If the gasket between housing and motor is damaged it
will have to be replaced. A gasket is included with the
replacement blower.
8. Re-install in reverse order.
Notch
Latch
Latch Engaged
Figure 29.1
Loosen (6) Nuts
Remove
Side
Panel
Figure 29.4