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Thread: Hydraulic car jack

  1. #1

    Question Hydraulic car jack

    Simply curious (ignorant) about how do you store properly an hydraulic car jack after use... With the valve closed or open? Thanks!
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  2. #2
    Join Date
    Aug 2009
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    PA NORTH OF PHILLY
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    2,401

    Re: Hydraulic car jack

    I store mine with just a small one pump to keep pressure on the seal. I don't know if it dose anything good (?) but I see dump trucks,boom lifts and they all seem to be stored jacked up. I think to keep pressure on the seal to keep moisture out

  3. Re: Hydraulic car jack

    I have carried the same one in my truck /car for over 30 years and tighten the screw back in after I drop the jack down every time. Never have pumped it up a little after using .It is a cheapo and it is still working

  4. #4

    Re: Hydraulic car jack

    I close the valve on mine as well.

  5. #5
    Join Date
    Mar 2008
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    Beautiful Northern NM
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    11,867

    Re: Hydraulic car jack

    The valve doesn't give a shit if it is under pressure or not, the seal is always wet on the inside.
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  6. #6
    Join Date
    Jan 2009
    Location
    Patten,Maine
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    Re: Hydraulic car jack

    I have a bunch and I don't think it makes any difference.What I do know, extended shafts will rust if they are worn enough and that makes it hard on the seals. Leaving the dump body up a bit allows the rain to drain. So I say keep the shaft in the oil as much as you can.

  7. #7

    Re: Hydraulic car jack

    Quote Originally Posted by shermanpup View Post
    I have carried the same one in my truck /car for over 30 years and tighten the screw back in after I drop the jack down every time. Never have pumped it up a little after using .It is a cheapo and it is still working
    Same here, jacks about the same age. It just keeps on working.
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  8. #8
    Join Date
    Jun 2011
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    2,242

    Re: Hydraulic car jack

    I agree, deflate it and tighten the screw and no harm will come. Leaving extended only rusts the shaft.
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