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Thread: FOB problems

  1. #1
    Join Date
    Mar 2013
    Location
    Quito, Pichincha, Ecuador
    Posts
    21

    FOB problems

    Dear colleagues,

    Please help me out with a problem I’m facing: I bought shurflo beer pumps and some FOBs. Now, the FOBs should always be full with beer. But sometimes it happens that suddenly a FOB gets empty. It appears from nowhere. I don’t understand this phenomena and I do not have any explanation. Sometime it works well and then suddenly they get empty or half-full with the result of foam problems tapping the beer.
    Maybe you have an idea why the FOBs do not work well?

    Thank you very much.
    Greetings
    FlorianName:  Our pumps.jpg
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    Last edited by Florentius; 03-18-2017 at 02:45 PM.

  2. #2
    Join Date
    Jul 2013
    Location
    Idyllwild, CA, USA
    Posts
    96
    I don't use this style but I've found that if you don't have the proper head pressure on the kegs (it has to match the carbonation level in the beer) the CO2 will start coming out of solution and gather in the FOBs. Once it reaches a certain point, it will cease flowing to the tap. Look at the beer lines from the kegs to the pumps and the line from the output of the pump to the FOB. If you are seeing bubbles, then you don't have the kegs at the right pressure. Raise the pressure until you don't see degassing happening in the lines and you should be golden.

    Cheers,
    --
    Don
    Last edited by idylldon; 03-20-2017 at 08:30 AM.

  3. #3
    Join Date
    Aug 2010
    Location
    Enterprise, Oregon
    Posts
    1,575
    You'll need a little more pressure in the keg than just the eq. pressure at your temp to maintain the carbonation, as it appears you have four or five feet of lift to the beer pumps. If you DL the Draught Beer Quality Manual, it has an excellent explanation of balancing a draught beer delivery system.

    Probably about 1 psi over the carbonation eq pressure will do it--I can't access my copy of the Manual right now as our server is down.

    Very nice looking set-up--"right and tight"!
    Timm Turrentine

    Brewerywright,
    Terminal Gravity Brewing,
    Enterprise. Oregon.

  4. #4
    Join Date
    Mar 2013
    Location
    Quito, Pichincha, Ecuador
    Posts
    21
    Thank you Don and Timm, I will try raising the pressure on the kegs! Greetings
    Florian

  5. #5
    Join Date
    Jul 2013
    Location
    Idyllwild, CA, USA
    Posts
    96
    You're welcome! Also, download the draft manual TIMM mentioned if you haven't already. I used it to figure this out when it happened to me.

    Cheers,
    --
    Don

  6. #6
    Join Date
    Mar 2003
    Location
    Duluth, MN
    Posts
    749
    Wheres your drain lines to vent the foam ???
    Brewmaster, Fitger's Brewhouse
    tbriggs@justtakeaction.com
    "Your results may vary"

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