Hydraulic jack oil at auto parts or Wal-Mart store
Open the drain screw that holds the body of the hydraulic jack. This way you can addhydraulic oil to the hydraulic jack.
Because of increse pressure ,,,,and according to pascal law
water is compressible
make sure it's full of oil
They work just like a hydraulic car jack. Just with a chair on top instead of a car.
Hydraulic Jack oil
designed for hydraulic jack perhaps power steering fluid would work Brake fluid Ruins pump
Open the drain screw that holds the body of the hydraulic jack. This way you can addhydraulic oil to the hydraulic jack.
Use "Hydraulic Jack Oil" only
A 10W hydraulic oil will work fine. Your local auto parts store should have it.
No. Only hydraulic oil can be used in hydraulic jacks. Hydraulic oil is compressed (a requirement for use in hydraulic cylinders) so that there are no air or other gases dissolved in it. Before adding hydraulic fluid to the jack, be certain that the fluid has been sitting for at least 24 hours to avoid introducing air into the hydraulic fluid in the chamber.You should be able to purchase hydraulic oil (sometimes it will be labeled "Hydraulic Jack Oil/Fluid or Jack Oil/Fluid) in small or large quantities, inexpensively, at any auto parts store worthy of the name. It can also be purchased at some Walmarts and any heavy equipment supply stores.
Hydraulic jack oil Available at auto parts store or Wal-Mart Use AW68 grade hydraulic oil
These jacks generally use hydraulic oil to operate the hydraulic system. There are a number of different types of oil for these jacks, but they are so similar that they are often marketed as "hydraulic jack oil" and there is little to no differentiation.
Magic!
Use Hydraulic jack oil only-- specifically designed for this purpose
Remove the fill plug and top it off with hydraulic oil.
Because of increse pressure ,,,,and according to pascal law