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How do you replace the ring on a 2 1.4 ton floor jack?


I have a 2 1.4 ton floor jack, model number 689-J--214-H. The jack came with a spare o-ring and backup ring. It did not come with instruction on how to replace the ring. Do you have a procedure or can you identify the part reference number on the part list diagram?


Hello Michael,
Here's the blowup of the plunger where the seals go. You'll need to remove the yoke to remove and re-seal the plunger area. I use a paper clip straightened out and cut the end at an angle and then bend that end at a 90 degree, about 1/4" long, to allow you to remove the old seals. Unless the unit is leaking at the plunger, there is no reason to replace those seals. What you’re replacing is the #21, 22 and 23.

Thanks for asking,


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