Question about Ruud Heating & Cooling

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Furnace is running fine. changed out oil filter. turned back on, then it started blowing alot of smoke.let cool down then cleaned and c/o nozzle. still running fine but now it is blowing smoke into my shop thru heat vents and from the furnace itself. it is a rudd oil furnace mod #uonc 095qubea

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Furnace needs vaccuming.

Posted on Nov 08, 2010

  • Robert Moller
    Robert Moller Nov 08, 2010

    Instructions.Things You'll Need:
    Vacuum cleaner with hose attachment
    Scrub brush
    Old toothbrush
    Cotton swabs

    1. Cut the power to your furnace by shutting off the breaker switch. Remove the front safety panel from your furnace. In gas and oil furnaces, the pilot light and fuel supply should be shut off for safety.

    2. Vacuum the interior area. Use caution, do not displace any wiring. Use an old toothbrush to carefully remove grime and dust build-up, then vacuum the area a second time.

    3. Clean the furnace's blower assembly thoroughly, using a toothbrush, toothpicks and cotton swabs. Remove build-up from all surfaces of the assembly, paying special attention to the blower fins. In some furnaces, a blower cover must be removed to access the fan assembly. Vacuum up displaced debris.

    4. Use a large, dry scrub brush to clean all vents. Pull off the furnace filters and replace if needed. Disposable filters should be replaced yearly. Vacuum permanent filters well, then use the scrub brush to remove build-up. Vacuum a second time, or blow dust out with an air compressor.

    5. Put the furnace back together. Replace filters, and any safety covers (except the front panel) you have removed. Look for loose connections and signs of corrosion. Check for worn or melted wiring. If everything is in order, re-connect the furnace and turn it on.

    6. Allow the furnace to run for several minutes to check for unusual sounds or smells. Disturbed dust commonly makes a crackling noise, which should cease after a few minutes. If you smell burning gas, oil or electrical wiring, shut down the furnace immediately and call in a professional.

    7. Replace the front panel when you feel everything is running smoothly and safely.



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You must be the one to troubleshoot & find the cause.

Follow these troubleshooting tips

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