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Saving a floor jack from the land fill


yeewiz

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In July, I posted a request for advice on saving my 25 year old floor jack after it began leaking. Based on several suggestions, I began my quest to save the jack.

Bottom line, I opened it up, replaced 3 O-rings, 1 for the main lifting piston, 1 for the pump shaft, and 1 for the bleed valve, and the jack is now like new. O-Rings = $5, hydraulic jack fluid = $5, for a total of about $10. Thje only real difficulty was getting enough leverage/torque to open the jack body and the pump shaft retaining nut.

Some observations:

1) if the pistons are leaking fluid but still holding position, then in my case it was only the external O-ring seals and a matter of replacing with standard O-rings from Home Depot

2) if the piston won't hold pressure then it could be a) the internal seal to the main piston, or B) the pump shaft not holding pressure, or c) the pump mechanism itself.

3) Found shops to visit under Hydraulic Equipment & Supplies in the analog Yellow Pages. I went to WK Hydraulics in Concord to check it out. It's definitely not cost effective for them to repair. They quoted $125 and that's with jack body removed from the rest of the jack. They quoted $25 just to open the body for me. There's also a sign that says $17 minimum purchase. Maybe other hydraulic shops are more friendly but I didn't need to check them out.

3) there were 2 skinny 3" diameter nylon washers that served as crush washers between the body and 2 ends of the jack. WK did not have these and I just reused the old ones. No leaks still.

4) WK and the other hydraulic only shops will have parts, but it's best to bring in the old piece to find a match.

Bob

BMWCCA #4844 (#297 of The 308)

1974 2002 Sahara, MM 2400 Rally engine, MM 5 speed and conversion

1976 2002A Anthracite parts car

1991 525i AlpinweiB II

2002 330ci AlpinweiB III

2007 530xiT Titanium Silver

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Guest Anonymous

I have a sears green one but the sproket on the jack that meshes with the sprocket on the handle is missing teeth. Any idea how to get a new sprocket?

Scottie

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have you tried Sears Parts and Repair Center?

Bob

BMWCCA #4844 (#297 of The 308)

1974 2002 Sahara, MM 2400 Rally engine, MM 5 speed and conversion

1976 2002A Anthracite parts car

1991 525i AlpinweiB II

2002 330ci AlpinweiB III

2007 530xiT Titanium Silver

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