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Thread: Crack on evap. front panel??

  1. #1
    Join Date
    Mar 2004
    Location
    Winter Wi
    Posts
    286

    Default Crack on evap. front panel??

    Found a crack on the front of my evaporator (cast, fire box). It's horizontal between the hinges. Hair line crack but it's through. Is this anything to worry about? Kind of late to do anything about it for this year. Should I do anything???Any info will help. Thank You.
    Last edited by Brad W Wi; 03-13-2017 at 02:49 PM.
    400 pails
    CDL RO machine
    2x8 stainless Dallaire evaporator, wood fired
    Filter press
    Polaris 6x6 & 4x4
    Allis Chalmers WD
    Allis Chalmers G
    Built new 24' x 40' shack in 2006
    http://www.blsugarbush.com

  2. #2
    Join Date
    Mar 2012
    Location
    Walpole, NH
    Posts
    1,373

    Default

    If it is a cast front then it is pretty common.
    Sugaring for 45+ years
    New Sugarhouse 14'x32'
    New to Me Algier 2'x8' wood fired evaporator
    2022 added a used RB25 RO Bucket
    250 mostly Sugar Maples, 15% Soft Maples. Currently,(110on 3/16" and 125 on Shurflo 4008 vacuum, 15 gravity), (16,000 before being disabled)
    1947 Farmall H and Wagon with gathering tank
    2012 Kubota with forks to move wood around

  3. #3
    Join Date
    Mar 2009
    Location
    Sumner, ME
    Posts
    499

    Default

    It will probably spread if you do nothing, but not necessarily very fast. The corner fell off of one of my doors last year.

    If you can get a piece of ceramic blanket behind it to insulate it, that should help.
    Steven Abbott
    Over 900 taps on vacuum
    30" x 10' D&G Woodsaver evaporator with Steamaway
    Half acre market garden
    2 farmers in training

  4. #4
    Join Date
    May 2011
    Location
    River Falls, WI
    Posts
    831

    Default

    I'm not one of them, but there's plenty of people that can weld cast iron. Like you say, it's late to do anything this year, and like BAP said, it's common for the castings to crack, and they can certainly be run with cracks.
    -Ryan


    Went off the deep end. Might be in over my head...

  5. #5
    Join Date
    Dec 2002
    Location
    Rock Creek, NC
    Posts
    5,807

    Default

    I've got a vertical crack on mine that goes from the door opening to the top of the arch front. I squeeze it together with a bar clamp and keep on boiling.
    Russ

    "Red Roof Maples" Where the term "boiling soda" was first introduced to the maple world!

    1930 Ford Model AA Doodlebug tractor
    A couple of Honda 4 wheelers
    Four chainsaws and no chickens!

  6. #6
    Join Date
    Mar 2012
    Location
    Walpole, NH
    Posts
    1,373

    Default

    One way to stop the crack from spreading is to drill a small hole at the end of the crack.
    Sugaring for 45+ years
    New Sugarhouse 14'x32'
    New to Me Algier 2'x8' wood fired evaporator
    2022 added a used RB25 RO Bucket
    250 mostly Sugar Maples, 15% Soft Maples. Currently,(110on 3/16" and 125 on Shurflo 4008 vacuum, 15 gravity), (16,000 before being disabled)
    1947 Farmall H and Wagon with gathering tank
    2012 Kubota with forks to move wood around

  7. #7
    Join Date
    Nov 2008
    Location
    Adirondacks
    Posts
    2,786

    Default

    My Evaporator has a crack in the cast. Above right door
    FIRST GENERATION SUGARMAKER
    First boil 2/22/2012! Went Pefect!
    3,500' of laterals
    1,000' of mainline
    2012 - 105 taps on gravity, 12 sap sacks.
    2013 - 175 taps on gravity, 25 on sacks = 200 taps for 2013! Second year.
    2014 - 250 taps on gravity, 25 on sacks
    Tapped on February 16, 2014
    2015 - adding vac sap puller no more gravity for me!
    275 gallon holding tank for 2014
    20'x30' Sugarhouse

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