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Craftsman 3 ton floor jack will not stay up

My craftsman 3 ton floor jack does not stay up, it gradually goes down with a load on it. Is there anything I can do to stop it?

Posted by corey_farmer on

  • oneton Apr 30, 2009

    I overextended my 2 ton floor jack and now it won't go up. It just seems to bounce up and down when I pump it.

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Anonymous

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  • 67 Answers

You need to bleed the air from the cylinder. there should be an air bleed or else you bleed it at the relief needle. also, if it still leaks down after you bleeed out the air, the seat for the relief valve or the seals at the relief valve cartridge are worn

Posted on Jun 25, 2009

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