An industrial gas-powered stove by Vulcan.

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pilot oven light wont stay lit

I am able to light pilot in ovens but they wont stay lit

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Chosen Solution

Thermocouples

If the appliance has a thermocouple, the problem may be a faulty thermocouple. The thermocouple, which operates as a safety device, turns the gas supply off when the pilot light goes out. It consists of a heat sensor connected to a solenoid; when the sensor is not heated by the pilot flame, the solenoid closes the gas supply line. When a thermocouple fails, the pilot light won't stay lighted. A burned out or broken thermocouple should be replaced. To replace a thermocouple:

Step 1: Unscrew the copper lead and the connection nut inside the threaded connection to the gas line.

Step 2: Under the mounting bracket at the thermocouple tube, unscrew the bracket nut that holds the tube in place.

Step 3: Insert a new thermocouple into the hole in the bracket, steel tube facing up and copper lead down.

Step 4: Under the bracket, screw the bracket nut over the tube. Push the connection nut to the threaded connection where the copper lead connects to the gas line. Make sure the connection is clean and dry.

Step 5: Screw the nut tightly into place, but do not overtighten it. Both the bracket nut and the connection nut should be only a little tighter than if hand-tightened.

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