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drain your compressor

Discussion in 'The Hokey Ass Message Board' started by meengrinch, Aug 10, 2010.

  1. meengrinch
    Joined: Jun 22, 2008
    Posts: 518

    meengrinch
    Member
    from ipswich ma

    just wanted to remind all to drain your compressors........i didn`t and blew a hole in the bottom........
     
  2. 392_hemi
    Joined: Jun 16, 2004
    Posts: 1,737

    392_hemi
    Member

    Yeah, been meaning to drain mine for about 6 months now. Maybe this weekend.
     
  3. About two years ago at work, we heard a huge BANG! and looked down the street to see a cloud of pink dust. We went to investigate and discovered a massive compressed air tank (1500 gallons or so) at the business down the street had let go.

    Same issue, no one at the business could remember the last time the tank was drained. They were lucky no one got hurt, they found chunks of the tank several blocks away!
     
  4. UnsettledParadox
    Joined: Apr 25, 2007
    Posts: 1,107

    UnsettledParadox
    Member

    almost every shop ive worked for has drained the tanks at the end of the day. a habit i have picked up. never thought much about it really, thanks for the reminder!
     
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  5. speedtool
    Joined: Oct 15, 2005
    Posts: 2,541

    speedtool
    BANNED

    Drain them every day!
    The water in the tank will not do any of your equipment any favors, and it smells bad, to boot.
     
  6. Adam Bahm
    Joined: Nov 12, 2008
    Posts: 27

    Adam Bahm
    Member

    I installed a sump made with a st-el and a 12 inch pipe with a valve in the end. This saves the tank and puts the valve in a more accesable place.
     
  7. Glad you reminded me , first thing tomorrow, thanks ,,,,
     
  8. skullhat
    Joined: May 30, 2009
    Posts: 892

    skullhat
    Member

    we use the valves that expell the water every time the compressor motor stops. its also a requirement in shops here in cali.
    not a bad idea for home as well.

    skull
     
  9. Ditto! But I hate those spiders that are crawlin' around there around the air bleed...:eek:
     
  10. I have two 5hp 60 gal compressors linked together and the drains are mated also, which leaves almost two feet of 1/2" plastic pipe for the water to collect. The condesation never stays in the tank, although it dosen't really matter as I drain them after every use.
     
  11. I had a 30 gallon tank start leaking air and I "bravely" welded a patch on it and got by a few more years and when the new one came I used brass and semi truck plastic air line to make a remote valve and a 2 liter plastic bottle as a holding tank so that it is easy and accessable to drain daily. I also ran a 50' 1/2 copper coil in the freezer of my beverage holder to cool the air as it leaves the tank before it goes to the regulator and again, on the drain petcock used a 2 liter bottle as the holding tank (drilled and tapped the bottle lid to match the drain thread) Works great to keep the tank and air lines moisture free.
     
  12. I should do that on my 30-gallon tank, I'd be more into keeping up with it if it was easier to do. I had my machine shop 15-gallon tank rot out on me. The hot humid weather here really makes it worse too.

    On a funny note a few weeks ago, I was over at another shop and the owner was draining his big tank. I walked in, he had the enclosure off the compressor and it was running behind him. The belt catches his work shirt and tears it off his back, totally. It happened in like a split second. Good thing he scales in around 270-280 or he could have gone with it.

    Bob
     
  13. Antny
    Joined: Aug 19, 2009
    Posts: 1,071

    Antny
    BANNED
    from Noo Yawk

    Good idea. I haven't drained mine in a while. It's now on my weekend to-do list. This thread deserves a sticky.
     
  14. JC Sparks
    Joined: Dec 8, 2008
    Posts: 686

    JC Sparks
    Member
    from Ohio

    Mine is a up rite tank and the drain is so close to the floor all I could do is let it go on the floor. Well I didn't like that ideal so I put a elbow in it and a push to connect 1/4 fitting with about 18" of line, then a ball valve with a short pc of tube out the other side. Now I put the tube in a bucket and slowly open the ball valve. I open it up every Monday morning. JC
     

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  15. Hogdriver
    Joined: Mar 31, 2009
    Posts: 224

    Hogdriver
    Member
    from VA

    done. thnx for the reminder.
     
  16. AlbuqF-1
    Joined: Mar 2, 2006
    Posts: 910

    AlbuqF-1
    Member
    from NM

    Just went out and drained it, thanks for the reminder. Surprising how much there was, shame on me!
     
  17. Von Rigg Fink
    Joined: Jun 11, 2007
    Posts: 13,428

    Von Rigg Fink
    Member
    from Garage

    in the heat and muggyness of our summers i try to run mine with a slight bleed..so nothing builds up in the tank..also in the winter..

    every now and than i need to be reminded if i have cracked the valve a little..thanks for the heads up
     
  18. 53Crestline
    Joined: Jun 20, 2007
    Posts: 113

    53Crestline
    Member

    Agreed! Thanks for the reminder! I haven't drained mine in several months and it's been very humid this summer here.
     
  19. 8-Track
    Joined: Jul 26, 2008
    Posts: 395

    8-Track
    Member

    My uncles shop had the weld on the end cap fail of a 250 gallon tank when the compressor failed to shut off overnight. the end of the tank blue off and totaled out the car it was sitting next to, it blue out all the doors , windows and lifted the building offf its foundation. they ended up tearing the building down and rebuilding it with a separate room for the compressor and mechanicles.
     
  20. My petcock just stripped out, not the threads but the arms of the wingnut. I think it is time for an auto drain.
     
  21. zzford
    Joined: May 5, 2005
    Posts: 1,822

    zzford
    Member

    My compressor sits in an out building. I ran a bleeder pipe and petcock outside. It's real easy to get to so it gets drained real regularly. Make it easy to do and it'll get done.
     
  22. Merlin
    Joined: Apr 9, 2005
    Posts: 2,546

    Merlin
    Member
    from Inman, SC

    Drain mine once a week or so.
     
  23. CrkInsp
    Joined: Jul 17, 2006
    Posts: 513

    CrkInsp
    Member
    from B.A. OK

    What is the best automatic drain to use? I need to replace a manual one.
     
  24. Thanks. I always need a shove to get that done. Will do it this morning
     
  25. pwschuh
    Joined: Oct 27, 2008
    Posts: 2,246

    pwschuh
    Member

    I only use my 25 gallon unit about once a week so I leave it stored with the drain open. I still wonder how much the remaining moisture is rusting out the inside...
     
  26. RatRod65GMC
    Joined: Sep 12, 2008
    Posts: 43

    RatRod65GMC
    Member

    Thanks for the reminder... just drained mine.
     
  27. 39 All Ford
    Joined: Sep 15, 2008
    Posts: 1,531

    39 All Ford
    Member
    from Benton AR

    This illustrates the second rule of compressor safety....

    Turn the damn thing off at night.A "runaway" situation like above is a dramatic and extreme example of what can happen, also, a simple broken air line will ensure that the compressor just runs, and runs, and runs, and runs until someone comes back to notice it. lots of needless wear and maybe a fire.

    As for rule 1, (draining the tank), my compressor came with a device that works on a timer and purges the tank for a few seconds (adjustable) every so many minutes (adjustable), so I don't worry about my main compressor, my back up requires manual attention though.
     
  28. roddinron
    Joined: May 24, 2006
    Posts: 2,677

    roddinron
    Member

    I don't know what the best is, but Harbor freight sells them pretty cheap. I bought one last summer, and still haven't installed it.:eek:
     
  29. 39 All Ford
    Joined: Sep 15, 2008
    Posts: 1,531

    39 All Ford
    Member
    from Benton AR

    They have a few listed on ebay, might give you an idea anyway.

    "air compressor auto drain"
     

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