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Banging in the Magnum Fuel Stirrer Bushings

Discussion in 'Pellet Stoves, Pellet Fireplaces, Pellet Furnaces' started by don2222, Jan 21, 2016.

  1. don2222

    don2222

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    Hello

    This older Magnum 3502 multi-Fuel Pellet Stove has had some good use and the fuel stirrer rod was banging and then stopped working. The lower sprocket set screws were loose but the bronze bearings were really worn and dirty inside.
    The chain and sprockets were also worn so time to replace using the Fuel Stirrer repair kit.
    The Fuel Stirrer Repair Kit comes with a nice bearing removal tool that makes it easier!

    Pic 1 - Fuel Stirrer worn out parts.
    Pic 2 - Fuel Stirrer Kit all new parts installed.
    Pic 3 - Removing top sprocket with claw hammer, it was stuck.
    Pic 4 - After old bushings were pounded out, the new bushings are pounded in one after another!
    Pic 5 - Fuel Rod and new locking ring.
    Pic 6 - Tightening down new sprocket 2 set screws.
    Pic 7 - Fuel rod now turns like butter!
    Pic 8 - Stove is starting!
     

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    Last edited: Jan 21, 2016
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  2. don2222

    don2222

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    Final Pic

    Stove is running!
     

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  3. Snowy Rivers

    Snowy Rivers

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    A chain drive pellet stove, ahhhhhh coooool

    Looks great Don
     
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  4. don2222

    don2222

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    Thanks Snowy
    There is a seperate auger motor and chain drive just for the pot stirrer. Most multi-fuel stoves have that.
     
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  5. imacman

    imacman

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    Stirrer on the Englander 10-cpm is the same idea.....chain drive from seperate motor
     
  6. Snowy Rivers

    Snowy Rivers

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    I need something like that on my little Whit P2
    No room to install it though.
    Chassis is far too tiny to allow any extra equipment in there.
     
  7. don2222

    don2222

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    You mean a pot stirrer to burn the hazel nut shells better?
     
  8. Snowy Rivers

    Snowy Rivers

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    Yup,

    Probably not to burn them better, but to clear the pot of the crap left behind.

    When the big Whit is clean and up on the step the air flow through the grate is enough to keep the junk blown out of the pot, but the Little P2 does not have enough air velocity through the pot to lift the junk out.

    The draft fan on the P2 was an afterthought and is refered to as booster fan.
    There is a shunt tube from the hot air plenum that feeds the bottom of the fire pot and the real airflow to the fire is controlled by the room air fan, who's speed is controlled by the heat selector settings.

    My new controller has a totally independent fan speed control and this really adds a lot more help in the area of keeping the pot cleared.

    The P2 was/is not a bad stove, it just had some strange issues due to how it was set up.

    I am thinking about closing off a row of air holes in the fire pot at the rear the do little and drilling new holes in the front down lower where the shells tend to build up.

    Clearing the pot with the mechanical stirring device is a great idea.

    Do these run all the time "Slowly" or are they on a timer ???
     
  9. don2222

    don2222

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    Yes they run all the time slowly
     
  10. imacman

    imacman

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    On some. My 10-cpm was timed. Depended on what fuel setting you were on. Pellets, corn, cherry pits all had different settings. You could also change how often the stirrer moved by changing the Air On Temp button setting
     
  11. imacman

    imacman

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    Snowy Rivers will appreciate the mechanical part of the system from the 10-cpm:
    stirrer 1.jpg
    stirrer 2.jpg
     
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  12. 3650

    3650

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    The Omega turns when the auger feeds. It has a separate motor. IMHO I think this stirs the pot too often. I'd like to see it turn about every 3rd feed cycle.
     
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