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MAIN BURNER: Inspection, Adjustment, Cleaning and Replacement (cont.)
Step 3. Fully inspect inner gasket per SERVICE PROCEDURE RG-I,
step 4. Replace gasket if required following SERVICE
PROCEDURE I, steps 5 & 6.
Step 4. Be certain that thermocouple, pilot tube and Piezo wire are
routed by inner door flange as shown and Reinstall inner
door per SERVICE PROCEDURE RG-I, step 10 and 11.
Step 5. Observe burner operation through sight glass of inner door. Burner should operate as adjusted in step
2, if not, repeat procedure compensating air shutter position for proper burner operation with inner
door in place.
Step 6. It may be necessary to clean main burner or main burner orifice to achieve proper burner operation.
If cleaning is required proceed to burner cleaning section in this procedure.
BURNER CLEANIN
G
(Steel & Cast Iron)
Step 1. Remove inner door assembly per SERVICE PROCEDURE RG-I, steps 1 through 3c.
Step 2. Disconnect main burner feed line (3/4 wrench), pilot tube (7/16 wrench) and thermocouple (3/8)
wrench from combination thermostat gas valve and remove burner assembly from combustion
chamber.
Step 3. Thoroughly inspect burner surface area and burner ports and remove any loose debris accumulation.
Step 4. On cast iron burners, inspect for
any debris build up inside burner
venturi. If found, disconnect
feedline from burner and remove
debris build up.
SERVICE PROCEDURE RG-VI
Burner Operation Inspection,
Adjustment, Cleaning and Replacement
18
Position thermocouple,
pilot tube and Piezo wire
Burner
Surface
Area
Burner
Port
Area
Burner Venturi
Opening
Feedline