Proper Main Burner Flame
The proper main burner flame will be a blue primary (inner) flame
with a larger, lighter blue secondary (outer) blue flame.
Figure 10
Cleaning Main Burner(s)
Remove main burner(s) and apply air pressure inside the throat and
ports of the main burner(s).
Removing Main Burner(s)
1. Remove front grill assembly.
2. Remove burner compartment access panel (2 screws).
3. Remove main burner(s) from burner compartment (2 screws
per main burner).
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MAINTENANCE
Removing Gas Valve
1. Remove front grill assembly.
2. Disconnect manifold union assembly at gas valve.
3. Remove (2) two 24 volt wires from gas valve. Label wires prior
to disconnection from gas valve.
4. Remove gas valve from gas valve bracket.
Removing Main Burner Orifice(s)
1. Remove front grill assembly.
2. Remove burner compartment access panel (2 screws).
3. Disconnect manifold union assembly.
4. Disconnect manifold union assembly brackets (5 screws).
Removing Ignitor and Flame Sensor
1. Remove front grill assembly.
2. Remove ignitor from burner compartment (2 screws).
3. Remove flame sensor from burner compartment (1 screw).
Cleaning Combustion (Exchanger) Assembly
A QUALIFIED SERVICE PERSON should remove the
combustion (exchanger) assembly. Apply air pressure to the
inside of the combustion (exchanger) assembly in order to clear
all passageways.
Oiling
The blower motor has an oil hole located on each end of the motor.
Use #20 motor oil only. It is best to oil the motor several times
during the heating season using 2 or 3 drops each time.
19563-6-0314