Recent content by asm

I managed to get the main cylinder off the block. As it turns out, the leak on the quick lift tube is where it meets the block. Apparently, someone must have turn the quick lift adjustment screw to far in and deformed the steel base plate that was mean to hold the nylon/oring in place. Of...

Thanks for the confirming my concern. Interesting idea of using socket or pipe expender. I will give them a try.

Sorry. I mean to say removal the main cylinder. Since I have already try to pull, twist the quick lift tube without success, I cam came the conclusion that the quick lift tube is held down at the plate at the base of the main cylinder. The plate is than secure by the main cylinder. I tried...

Hiball. Any suggestion on on how to remove the inner cylinder?

Thanks for Hiball. I think this picture I found on the Google Patent site may be the same technology. And, you are right, I have one of those jack in my garage now that can no longer "rapid pump". I guess is, the adjustable speed valve is stuck in open position. Or, it is possible that the...

Hi, Does any one know how does Rapid pump/magic lift floor jack works? Using the example below, it would seems the "plunger" drives the same volume of fluid each time. How is it possible that main cylinder extended 3 or times as fast. Thanks http://www.shinnfuamerica.com/Temp/2352.PDF