automotive

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  #1  
Old 04-14-02, 06:28 PM
dewittk
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automotive

I have a 7000 lb.floor jack that won,t lift any weight. It goes up but if it hits resistance it stops. I donot have the book or any instructions for it, how do I add oil or check the seals, or what could be the problem.
 
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Old 04-14-02, 08:37 PM
Joe_F
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It likely has a weak piston or hydraulic ram. Any place that services hydraulics for industrial machines like forklifts can probably repair it.

I was given an old Walker jack that I will eventually have to take a crack at fixing. Too nice and heavy duty to pitch.
 
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Old 04-14-02, 10:05 PM
Billdo49er
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You may get it to work with a fillup.
There should be an allen screw or a square headed bolt near the top of the piston housing.
Remove it and fill with hydraulic fluid.
If it doesn't work then do as Joe F states and have it looked at.(the seals may be shot)
 
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