How do you repair a furnace?

Answer

To do a furnace repair you can use an old toothbrush which can clean each blade efficiently. The motor should always be lubricated so apply some oil to the inner bearings. Check on the fun too and if it is not turning you can go to a hardware store and find replacement.
Q&A Related to "How do you repair a furnace?"
1. Turn off the power to the furnace any time you are about to work on it, except when changing the filter. This prevents the engine from starting up while you are working. 2. Change
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When a typical residential furnace or gas package unit "high limit switch" is found to be bad it is replaced with a new one-not repaired.
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If your engine is idling rough, there's a good chance that you have a problem with your spark plugs. Replacing these small but important pieces is usually
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Sounds like the vent motor is dead again. Double check this by measuring voltage from W to C (should be 24 volts) when the thermostat is calling for heat. Then check at the motor
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