ADDITIONAL INFORMATION
BURNER OUTPUT RATINGS: BTU/HR
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BURNER
BTU 
RATE
ORIFICE SIZE 
(mm)
COLOR MARKINGS
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ADJUSTING AIR SHUTTER SETTINGS FOR 
BAKE AND BROIL BURNERS
NOTICE:
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1.  Turn on the gas.
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air shutter slightly.
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and broil burners.
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SPECIAL NOTE: 
To convert the oven back to natural gas, reverse the 
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Air shutter
 WARNING
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(A) Yellow flames:
Further Adjustment
Required
(B) Yellow tips on 
outer cones:
Normal for Propane Gas
(C) Soft blue flames:
Normal for Natural Gas
PROPANE CONVERSION INSTRUCTIONS
31-11030-1   01-16   GE
JGB450, JGB635 and RGB780
198
III
Denotes 1.98 mm Orifice size opening
Denotes Natural Gas
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