By Roger Vizi
* whole Troubleshooting & Repairing consultant to scorching air furnaces * whole operation, upkeep, and service * Covers gasoline, oil, and electrical pressured air structures * comprises flowcharts and highlighted assistance and suggestions to universal furnace difficulties
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Additional info for Forced Hot Air Furnaces : Troubleshooting and Repair
3 Fan control with manual fan switch. ) Thermostat with manual fan control. ) expensive fuse if the homeowner needs to call a service professional to service the furnace in the night only to find out that there was a second fuse that he or she did not see. One woman who called me for service late one night found this out the hard way, since that fuse cost her over $200. She said that she was going to have it bronzed! Now that the power is disconnected, be sure to either push the button back in on the fan control, turn the thermostat down, or return the blower switch on the thermostat to the auto position at this time.
Warning: Do not attempt to clean the holes by placing anything in them. This will only enlarge the holes and make the pilot unsafe to operate. ) 6. Holding the pilot assembly, blow through, from the bottom, to remove any dust or dirt from the pilot section. You have now cleaned the pilot assembly. 7. Assemble the pilot assembly by reversing the preceding steps. When finished, you should have the thermocouple securely in place and the orifice and pilot gas line in place. 42 CHAPTER SIX Before attaching the pilot assembly to the burner, you should take the time now to see if there is any debris on the burners themselves.
Slide the bar at each end of the filter cage, and separate the two sides. Remove the old filter material and measure the length so that you have the proper size. Select the width of filter material that you will need, and cut the new filter to size. You will note that the filter material has a light color on one side and a darker color on the other side. You also should note that one side of the filter material is coated with an oily substance. This is the side that faces up into the cold air duct.