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Thread: AUF process

  1. #1
    Join Date
    Jan 2017
    Location
    OH
    Posts
    20

    Default AUF process

    Just received my AUF for my half pint and had some questions on use. Do you start the fire, get it burning, then turn on the blower? Do you leave it running entire time or need to turn off when adding wood? Any suggestions or tricks?

  2. #2
    Join Date
    Feb 2012
    Location
    Birdsboro PA
    Posts
    1,326

    Default

    Get a few sticks lit, then it may help to turn it on to get the fire going.
    You'll most likely want to turn it off when loading wood. Will probably shoot out sparks when you open the door.
    first year 2012 50 taps late season made 2 1/2 gals.

    2013 2x6 homemade arch 180 taps. 20 Gals.

    2014 40 on 3/16 gravity 160 on buckets.

    http://omasranch.wix.com/omasmaple

  3. #3
    Join Date
    Mar 2005
    Location
    Albion PA
    Posts
    5,099

    Default

    Play with different methods. Getting the fire going with natural draft and then turning on the blower works best for our rig. I also have a damper in the pipe to control the flow of air. As mentioned you may have to shut the blower off during firing too.
    We don't shut our blowers off during firing.
    Regards,
    Chris
    Casbohm Maple and Honey
    625 roadside taps + Neighbors bring some sap too!
    3x10 King, WRU, AOF and AUF
    12" SIRO Filter Press.
    2015 Ford F250 PSD sap hauler
    One Golden named Maggie, Norwegian Forest Cat named Lucy
    Too many Cub Cadets
    Ford Jubilee and several Allis WD's, and IH tractors
    1932 Ford AAB ton and a half, dump truck

    www.mapleandhoney.com

  4. #4
    Join Date
    Jan 2017
    Location
    OH
    Posts
    20

    Default Ash problem

    Got the AUF running, huge difference already. Only problem is we are getting ash everywhere. The door isn't seated like the air vent was and doesn't sit flush. Just enough gap for sparks and ash to blow out.

    Any suggestions for sealing the door tighter on the forced air unit? It's the leader unit the hangs on the ash part of the door.

  5. #5
    Join Date
    Apr 2016
    Location
    Green springs, OH
    Posts
    29

    Default

    Raise whole evaporator up 8in or so to create an ash pit! Ashes won't be problem then!

  6. #6
    Join Date
    May 2011
    Location
    Embrun ON, Canada
    Posts
    101

    Default

    I sealed my ash door with ceramic blanket, i have 2 fans for AUF and go most of the season without having to clean ashes, there just is not any to clean.
    _________________________________
    2012 Year 1 - 6 taps
    2013 Year 2 - 85 taps
    2014 Year 3 - 150 taps - 22 gallons
    2015 Year 4 200 taps - 15 Gallons
    2016 Year 5 200 taps - 23 gallons
    2017 Year 6 200 Buckets, 100 on 3/16 gravity)
    2018 Year 7 200 Buckets , 175 on 3/16 with shurflo 4008

    Patrick Phaneuf 2x6 raised flue
    Polaris 6x6, 1990 Alpine Ski-doo
    Sugar shack - 12X24 with 8x14 wood shed

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