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US Stove 6041 Distribution Blower Noise

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by ScottyDaug, Jan 28, 2013.

  1. ScottyDaug

    ScottyDaug Member

    Joined:
    Dec 26, 2010
    Messages:
    75
    Loc:
    Maine
    Hello,

    I have a Us Stove 6041 that was manufactured in 2009. This is are third heating season with it. It has developed a vibrating/rubbing noise in the distribution blower. At first the noise was periodic, and would go away, typically once the stove got up too temperature, but now it does it all the time, and is quite loud. Has anyone had any experience replacing the bearings, or lubricating these, or is a new blower/motor in order? I hate the thought of $160 for a new one if there is a cheaper fix. I would appreciate any input.

    Thank You,

    Scott Cressey

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  2. 343amc

    343amc Feeling the Heat

    Joined:
    Nov 23, 2005
    Messages:
    375
    Loc:
    West Michigan
    Have you pulled it and cleaned the dust bunnies out of the blower? If it gets dirty enough on the squirrel cage it can throw it off balance and vibrate. Or it could just be the bearings needing lubrication/replacement. I haven't ever pulled mine so I don't know if its a "sealed for life" motor or not.
  3. ScottyDaug

    ScottyDaug Member

    Joined:
    Dec 26, 2010
    Messages:
    75
    Loc:
    Maine
    I did pull it, there didn't appear to be any dust bunnies in the squirrel cage, but I didn't disassemble, the cage, motor, and blower housing, maybe that is the next step. It seems like the cage is the origin of the noise. There almost seems to be a little wobble to it when I spin it with my finger. I didn't notice any movement in the bearings/bushings. The wobble seemed to be in the cage itself. I may pull it tonight, and give it a more extensive examination.
  4. imacman

    imacman Guest

    Did you lube the bearings? Most conv. motors have lube points like the pic below.....you may have to turn the blower over to see them, as they sometimes get installed that way. A lot of us have disassemble the motor from the housing and rotated it so the holes are facing up:

    Attached Files:

  5. SmokeyTheBear

    SmokeyTheBear Minister of Fire

    Joined:
    Nov 10, 2008
    Messages:
    12,550
    Loc:
    Standish, ME
    Don't forget the motor on that blower also needs cleaning. Also make certain it hasn't loosened up where the blower mounts to the stove and the gasket there is good.
  6. ScottyDaug

    ScottyDaug Member

    Joined:
    Dec 26, 2010
    Messages:
    75
    Loc:
    Maine
    Thanks for the tips guys. The motor looks different then the one in the pic. It is similar in style too an auger motor, it is square with an open armature. It has a bracket in the back with a bearing/bushing that holds the armature in.
  7. imacman

    imacman Guest

    Oh, OK......c-frame motor. You should still be able to put a few drops on the bearings.
  8. ScottyDaug

    ScottyDaug Member

    Joined:
    Dec 26, 2010
    Messages:
    75
    Loc:
    Maine
    Just an update. I pulled the motor, cleaned the squirrel cage, and oiled the bearings. The noise is gone.

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