we had one of them at the old farmhouse, coal burner converted to oil. i"m not a furnace guy, but if i remember ours would do the same thing. basically when the thermostat calls for heat it sends a signal to a temperature probe that is located in the firebox, kind of a square box the size of half a cigar box, there is a bi-metal probe that goes into the fire box. that controls the burner cut in and cut out temmperatures. there may be a reset button on there. pull the box and probe out of the furnace and blow all the soot off of it. there should be a dial on it with two arrows, one for cut in temp, one for cut out. the wires from there go to the solenoid to turn the main gas burner on. should be that big diaphram thing in the photo. that opens the gas valve for the main burners. if that furnace hasnt been cleaned in a while, open the big door afeter you shut the power and gas line off, vacuum that thing out real good. probably full of soot. there should be an air adjustment shudder to regulate air flow to main burner to adjust the flame. should have a good blue flame, if it got a lot of yellow flame, you need to adjust the air a little. you want a blue flame with just a little yellow on the tips. could also be the solenoid on the main gas valve is sticking too.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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