20
March 17, 2020
7080-166J
Figure 20.1
Figure 20.2
NOTE:
You may need to loosen the surround to move it
out of the way.
NOTE:
Make sure wires are connected prior to restarting
the appliance. Failure to do so will result in the
(side-mounted) safety thermal snap disc tripping
resulting in cutting power to the appliance
feed system.
H. Convection Blower Replacement
1. Follow the proper shut down procedures.
2. Remove the left side panel by loosening the
2 screws using a Phillips head screw driver or
wrench
(Figure 20.1)
.
3.
Remove two lower sheet metal screws from the back
panel to allow more clearance.
4. Disconnect the wire terminals.
5. Reach behind the blower and release the latch
by pushing the top of the latch towards the
blower
(Figure 20.1)
.
6.
Rock the top of the blower slightly and lift up. The
blower will pass out the left side of the appliance.
7.
Install replacement blower by placing the bottom flange
into the opening first then rotate blower up into position.
8. When the blower is properly positioned the
latch will engage the notch to hold the blower in
place
(Figure 20.1)
.
9. Re-connect wire terminals to the new blower.
10.
Reposition and Re-secure the back panel.
I. Combustion/Exhaust Blower Replacement
1. Follow the proper shut down procedures.
2. Remove the right side panel by loosening the
2 screws using a Phillips head screw driver or
wrench
(Figure 20.2)
.
3. It is not necessary or recommended to remove the
housing 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
and hall effect switch/housing.
5.
Using an 7mm socket wrench or nut driver, loosen the
nuts securing the motor and impeller to the housing.
6. Holding the motor, rotate the mounting plate counter-
clockwise 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.