swollen gas containers...

Discussion in 'Lawn Mowing' started by stephen424, Jun 15, 2010.

  1. stephen424

    stephen424 LawnSite Senior Member
    Messages: 730

    i keep 2 plastic gas containers on my open trailer and they have been swellling up like balloons that last week or so (it's been 95+ here).
    any solution?
    i release the pressure out of them after every mow, in fear that they are going to explode

    should i invest in tin cans?
  2. lawnboy852

    lawnboy852 LawnSite Member
    from PA
    Messages: 219

    Poke a pinhole in the bottom of the top handle part. Or install a relief valve. These gas cans are a mess now with no vent hole, they dont seem safer a all, but the pinhole trick should do it without causing any noticeable spillage
  3. Glenn Lawn Care

    Glenn Lawn Care LawnSite Silver Member
    Messages: 2,645

    its just from the heat. try to keep them in the shade.
  4. fredmullegun

    fredmullegun LawnSite Senior Member
    Messages: 317

    The heat increases the vapor pressure.
  5. ZTR_Diesel

    ZTR_Diesel LawnSite Senior Member
    Messages: 371

    Exactly why I can't stand these new CARB (California Air Resources Board) certified fuel cans! Leave thier issues & policial agendas for California! Sorry to anyone who lives there.

    Why have they had to mess with so many well-proven things? Maybe we ought to just all sue CARB itself. ...This is sarcasim...
  6. MikeKle

    MikeKle LawnSite Platinum Member
    Messages: 4,253

    Yeah, its from the heat, either leave the cap off or poke a hole in the rear of the can, it will also pour better with this hole too, But Im curious, if you left a can like this and let it swell up, would it eventually explode?
  7. rain man

    rain man LawnSite Silver Member
    Messages: 2,794

    We cut slits in the cap so that it doesn't seal as tightly. Sort of like the first cut when you are cutting a piece of pie. Keeps water out but gives it room to breath.
  8. topsites

    topsites LawnSite Fanatic
    Messages: 21,653

    I don't carry straight fuel out with me, no need.
  9. ajslands

    ajslands LawnSite Silver Member
    Messages: 2,238

    Just take the caps off and put like duck tape over it so heat can get out.

    And not to be an a$$ but it's expansion not swelling. Or you could drill a small hole in the back of the can. Or just fill your mowers up before you go out, then you don't need cans.
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  10. FiveOJoe

    FiveOJoe LawnSite Member
    from NJ
    Messages: 249

    When you vent the tank, collapse it a little with your knee to push out some vapor and release the vent, (not so much that gas overflows). Then when it warms up it expands to normal size.

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