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Thread: Lunchbox Vacuum Releaser

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  1. #1
    Join Date
    Jan 2006
    Location
    Sugarhill NH
    Posts
    723

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    Quote Originally Posted by mspina14 View Post
    I set up a 1/2" manifold with three incoming 5/16 lines:

    Attachment 17960

    Works good. I used a star fitting last year, but I like this set-up better.

    I have about 80 taps on the Lunchbox.

    Mark
    Thank you for the idea. I have a star fitting on it with 35 taps coming in on 3 lines. So far the most I have got is about 50 gallons a day. My compressor runs constantly though. It is a 6 gallon ryobi. Don't believe I have leaks as all three lines are brand new. All 5/16ths
    30x8 Leader revolution, wood fired blower, steamaway/hood. 903 taps all but 54 on pipeline and 3 vacuum systems. Hauling sap this year with a 99 F350 7.3 diesel dump and of course back up is the Honda 450 and trailer.

  2. #2
    Join Date
    Nov 2008
    Location
    NH
    Posts
    232

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    Quote Originally Posted by maple maniac65 View Post
    Thank you for the idea. I have a star fitting on it with 35 taps coming in on 3 lines. So far the most I have got is about 50 gallons a day. My compressor runs constantly though. It is a 6 gallon ryobi. Don't believe I have leaks as all three lines are brand new. All 5/16ths
    You have leaks
    Compressor should run once every 5-6 minutes or less with 35 taps.
    look for air bubbles in your lines, and follow them back to the source of the leak.
    dean

  3. #3
    Join Date
    Dec 2015
    Location
    Old Lyme, CT
    Posts
    272

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    It took me about 2-3 days last year to find leaks. It was the first year I used the Lunchbox pump.

    Here's some things that helped me:

    1. Install a quick connect ball valve on each line about 3-4 feet from where they enter the pump. This will let you isolate each line to check if they are leaking.
    2. Check carefully where the tubing is touching a tree. This is where squires like to chew.
    3. Check to make sure you haven't tapped any trees that are hollow or partially hollow (like I did!)
    4. If you still can't find the leak, isolate one line at a time. Run the Lunchbox and walk the line starting at the Lunchbox and crimp the tubing between every tap as you walk with a pair of pliers or vise-grips. If the Lunchbox stops, there are no leaks between where you crimped the line and the Lunchbox. Keep walking and crimping. When you crimp the line and the Lunchbox keeps running, the leak is between where you are and where you last crimped.

    Mark
    Mason 2x4 w/raised flue pan, 240 gal. sap tank, 80 Reds on 5/16 tubing and Lunchbox releaser/pump, 20 sugars on buckets

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