Bradford White RG130T*N Series Service Manual page 29

SERVICE PROCEDURE RG-VII
Burner Operation Inspection, Adjustment
Cleaning and Replacement
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 CLEANING
Step 1. Remove inner door assembly per SERVICE PROCEDURE RG-I, steps 1 through 3c.
Disconnect main burner feed line, pilot tube and thermocouple/thermopile
Step 2.
from combination thermostat gas valve and remove burner assembly from combustion chamber.
NOTE: Feedline nut for natural gas control uses right hand threads,
LP control uses left hand thread.
Step 3.
Thoroughly inspect burner surface area and burner ports and remove any loose debris
accumulation.
SERVICE PROCEDURE RG-VII
Burner Operation Inspection, Adjustment
Cleaning and Replacement
MAIN BURNER: Inspection, Adjustment, Clea
Step 3. Fully inspect inner gasket per SERVICE PROCED
following SERVICE PROCEDURE I, steps 5 & 6.
Step 4. Be certain that thermocouple, pilot tube and piezo
routed by inner door flange as shown and reinstal
door per SERVICE PROCEDURE RG-I, step 10 a
Step 5. Observe burner operation through sight glass of i
step 2, if not, repeat procedure compensating air
inner door in place.
Step 6. It may be necessary to clean main burner or main
If cleaning is required proceed to burner cleaning
BURNER CLEANING
Step 1. Remove inner door assembly per SERVICE PRO
Disconnect main burner feed line, pilot tube and th
Step 2.
from combination thermostat gas valve and remov
NOTE: Feedline nut for natural gas control
LP control uses left hand thread.
Step 3.
Thoroughly inspect burner surface area and burne
accumulation.
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