I found a great article on rebuilding hydraulic floor jacks or any haudraulic bottle jacks for that matter.

http://garagejournal.com/forum/showthread.php?t=51105

 

Since I need to rebuild my own hdraulic floor jack because the release valve is leaking, I have found this to help a lot with all the detail that was put into this.

 

Now you can rebuild your own jack instead of buying a new one!

 

Enjoy

 

-BB