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Manafacture: Vulcan-Hart File size: 10.64 mb File name: Language of manual:

3. Loosen the air shutter adjustment screw. 4. Turn the burner on . If the flame is soft, lazy or yellow, there is not enough primary air and the air shutter needs to be opened up. If the flame is lifting off the burner, there is too much primary air and the air shutter needs to be closed down. 5. Rotate the air shutter so that a blue flame without any yellow tipping is seen across the burner. 6. Once the proper adjustment is made, carefully tighten the adjustment screw without moving the air adjuster. 7. Install front covers when complete. – 29 – BURNER SERVICE (ALL MODELS) WARNING: SHUT OFF THE GAS BEFORE SERVICING THE OVEN. If the burner ports become obstructed or the burner cracks, the burner will not operate properly. 1. Remove burner(s) as outlined under Burner Assemblies Section of this manual. 2. Check burner(s) for: A. Obstruction in port holes. 1) Soak the burner(s) in warm, soapy water. If this does not solve the problem, the obstruction may be removed by carefully inserting, by hand, the proper size drill bit. If severe clogging or damage is evident, replace the burner(s). B. Cracks in burner body. 1) Burner must be replaced. BURNER ORIFICE SERVICE (ALL MODELS) WARNING: SHUT OFF THE GAS BEFORE SERVICING. 1. Remove the burner associated with the orifice to be serviced as outlined under Burner Assemblies. 2. Remove the orifice tip and check for obstructions or damage. 3. Soak the orifice(s) in warm, soapy water. If this does not solve the problem, the obstructions may be removed by carefully inserting, by hand, the proper size drill bit. If severe clogging or damage is evident, replace the orifice(s). 4. Reverse the procedure to install. – 30 – TROUBLESHOOTING SYMPTOMS POSSIBLE CAUSES Uneven heating, sides burning. A) Temperature too low. B) Improper operation of broiler. C) Fluctuating gas pressure. Too much top heat. A) Temperature too high. B) Faulty ventilation. C) Excessive heat input. D) Gas pressure too high or orifice too large. Uneven heat front to back. A) Appliance not level front to back. Dried out products. A) Broiling time too long or product too close to the burner. B) Gas pressure too high or orifice too large. Pilot outage. A) Pilot flame too low. B) Restriction in pilot orifice. Pilot will not light. A) Insufficient gas input. B) Poor air to gas adjustment. C) Restriction in pilot orifice. D) Restriction in main burner port. E) Pilot adjustment incorrect. – 31 – FORM 35608 (Aug. 2003) – 32 – PRINTED IN U.S.A. ...

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