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Page 1112821-6-0406
To Remove Main Burner
1. Disconnect the thermocouple and pilot supply line at the pilot
burner.
2. Unscrew the nut on the orifice fitting union. Orifice fitting is
threaded into the main burner.
3. Remove screw on each side of the main burner and lift out.
To Remove Main Burner Orifice
1. Unscrew the nut on the orifice fitting union. Orifice fitting is
threaded into the main burner.
2. Unthread the orifice fitting from the main burner.
3. Main burner orifice is located at the end of the orifice fit
-
ting.
4. Remove main burner orifice from orifice fitting with a 1/2"
(13mm) wrench.
Cleaning Combustion Chamber
A qualified serviceman should remove the chamber and apply air
pressure to the inside in order to clear all passageways.
1. Impossible to light pilot
a. If using piezo ignitor, check electrode location.
b. Remove nut at orifice and check for gas.
c. If gas available, check for blocked orifice or pilot.
2. Pilot outage
a. Proper size of pilot flame.
b. Defective or weak thermocouple.
3. Pilot flames but goes out when knob is rame.
bMame.