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Thread: how to make a moisture trap, and unstick vanes?

  1. #1
    Join Date
    Apr 2011
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    central ny
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    31

    Default how to make a moisture trap, and unstick vanes?

    Does anyone have a way to make an inexpensive moisture trap? Never had one installed when we purchased the system as they never even mentioned it. Now we are dealing with stuck vanes cause sap got into the pump. And on that note, does anyone have any different ways to get the vanes unstuck without taking apart the pump? We have put kerosene in, and even put warm kerosene in hoping that the heat would disolve the sugar, but no luck so far.

  2. #2
    Join Date
    Apr 2008
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    Jacksonport Wisc
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    Any large tank that can withstand vacuum and will allow moisture to collect will work A 6" piece of PVC 4 ft long with a intake at about the 24" high mark and the discharge on the top will collect the moisture. You want it to stand upright. Now we need more info what type of releaser are you using and type of pump. Unless you have a float type of trap you wont stop the sap from a bad releaser. Did you get moisture or pump a full load of sap into the pump? Is it a dry vane or oil type?
    1100 on vacuum 3X10 Waterloo Small oil fired with pre heater. 24X36" gas fired finishing pans
    10X16 Evaporator room 16X24 kitchen+bottling room.
    vacuum pump called the BEAST new Gast vac pump
    2 Bernard double extractors
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    Alot of family and friends to help
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  3. #3
    Join Date
    Mar 2010
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    Canisteo, NY
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    i made mine out of pvc has less than 50 bucks in the whole thing the pipe that goes threw the top goes into a ways and it has a 2 inch ball from a local supplier. and it has a pipe threaded into the bottom cap with a duck bill on the end to drain when the vac is off.
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    Scott Dixon
    Tignit Maple Products
    Woodhull, NY

    4000 taps all on tubing with vacuum and a 4 by 14 evap.

  4. #4
    Join Date
    Apr 2011
    Location
    central ny
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    Thanks for the help on the moisture trap guys. The pump is an oil cooled airablo with a reclaimer, and the releaser is a Lappierre double, and what happened was it locked up and didn't release a couple times and all the sap backed up into the top horizontal extractor, and I asssume into the line from the pump as well. It worked for awhile afterwards, and though we didn't flush it ( I know now that we should have) we always regularly drain water off the bottom of the reclaimer. Then one day on start up, it started gaining vac, then suddenly just started spinning freely. You could hear the difference, like it was no longer under load. A guy at Bascoms said he was sure it was the vanes stuck. Any thoughts would be greatly appreciated.

  5. #5
    Join Date
    Apr 2011
    Location
    central ny
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    Ok, thinking about this some more, and what you are both saying about the moisture trap seems to be pretty much the same, but I'm, not understanding the ball thing. Is it like the ball that is in the releasers that floats up and plugs the pipe on the side that goes into the pump, or am I on the wrong track?

  6. #6
    Join Date
    Sep 2003
    Location
    Whately, Ma.
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    2,858

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    i'm not sure about your pump but I have taken out the vanes on my pumps many times over the last umpteen years. So you should be able to take it apart and clean up the vanes. Make sure they are good and free before putting back together. either replace the seal and gasket or maybe all you need is some silicone gasket maker. Also I usually spray some plain silicone on the vanes to make them good and slippery.
    Keith

  7. #7
    Join Date
    Apr 2011
    Location
    central ny
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    Thanks Brookledge. I have heard that the vanes can be quite fragile, so I was leary of getting into that. But perhaps it's not that big of a deal.

  8. #8
    Join Date
    Jan 2009
    Location
    Altmar, NY
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    Run some rubbing alcohol through it. The vanes are probably not going to drop on the first try. Shut her down and tap on the armature of the pump with a mallet to help shake them loose. then run more rubbing alcohol through it and repeat till they free up. After several tries if they fail to drop your going to need to tear it down. Do this very soon as I think the kerosene you used just might have swelled those vanes to no repair if they are carbon vanes in it. Also when you put it back together do not lube the vanes. make sure they are nice and dry. Lubing the vanes will cause carbon and dirt to stick to them and cause premature failure as well. As far as the ball goes you put one in the moisture trap before sealing it up. Most use a raquet ball. When the moisture trap fills with sap the ball rises and plugs off the vac line going to the pump so sap does not transfer any further. 2 things I recomend between the pump and trap. A pressure release valve set so when the ball closes the vac off the pump does not over heat from not getting any air and the second is to put a drain valve on the bottom of the trap to drain it when it fills up, A check valve will work as well and it will open and drain on its own but that ball will still be sucked up to the top so it will still need tending to.
    2X6 deluxe Phanuef
    Adding 200 more every year
    27 years left of building a Hobby into a retirement time burner.

  9. #9
    Join Date
    Mar 2010
    Location
    Canisteo, NY
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    20

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    the ball we used was a ball for a dairy system it is designed to shut vacuum off if the trap becomes full. just make sure the ball is bigger than your pipe to the vac pump and make sure it is a hard ball or it will suck up the line back to your vac pump. if you want i can get some better pics of it and try to explain how it was build.
    Scott Dixon
    Tignit Maple Products
    Woodhull, NY

    4000 taps all on tubing with vacuum and a 4 by 14 evap.

  10. #10
    Join Date
    Apr 2007
    Location
    Starksboro, Vermont
    Posts
    335

    Default

    I use a whole house filter (with clear housing), take out the filter and put a ball in it. This has saved my vac pump more then once.
    Matt

    2x6 Phaneuf raised flue pans
    homemade oil burning arch & hood
    homemade RO,auto draw-off, releaser,auto-canning valve, filter press, ext.....
    850 taps

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