Vulcan oven- LP to Nat. main burner problem


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Old 03-10-01, 11:41 AM
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Ihave an old Vulcan commercial double oven/range which was LP. I've connected it to nat.gas and got the range working by drilling the orifices to match my old nat.gas range and adjusting the air shutters. I drilled the orifice to the oven pilot and it has a nice flame but only while holding the button on the safety valve in. The main burner would light after awhile but as soon as I let it out both go out again. Is there something in the safety valve or the valve itself that needs to be replaced for nat.? It worked fine when on LP. Hope someone can help. Thanks.
 
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Old 03-10-01, 10:10 PM
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Hi: ignite

Have you turned the set screw located on the thermostat from LP to NAT? The pilot flame could be too small if the set screw has not be set to the correct position.

If the pilot flames adjusting set screw is not located on the thermostat, it could be on the right hand side or top left corner of the oven burners gas valve. If it is located in the last two mentioned locations, it is not a set screw. It can be rotated counterclock wise to adjust the pilots flame size.

Depending on the model of oven, it can have one of several different types of safety elements. Whichever type it does have, it will need to have the pilot flame adjusted to heat it until it glows a bright red.

Be aware that some safety elements use full house voltage to operate. These types are called "flame switches" and you must unplug the appliance prior to replacing the element.
 
 

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