Remove air from jack.
How to remove check balls from hydraulic floor jack.
This video shows how to remove the bottle jack unit from the frame.
A floor jack is a really a bottle jack laid over onto its side and installed inside a frame equipped with casters a handle and a lift arm.
Floor jack block cutaway view the check valve is usually located between the pump piston and the release valve.
Once you buy a new floor jack you may use it for 2 to 3 years without having to refill the hydraulic oil.
In my case i spent 200 on the jack and was able to purchase a rebuild kit with all seals and ball bearings for 50 including.
If the balls in the check valve do not seat properly fluid will flow improperly or leak causing the floor jack to fail.
Check the casing of the floor jack may be it is ruined or cracked check for oil leakage.
You will need to make a decision on the cost effectiveness of repairing the tool.
The hydraulic fluid is the lifeline of the hydraulic floor jacks and without the oil you cannot be able to lift any objects off the ground.
It is a pittsburg sold by harbor freight rated 2 5 ton with three steel slotted screws under the cover plate.
Comprised of a system of light springs or weights and balls the check valve directs the flow of fluid.
Again this will be determined by the level of maintenance the floor jack receives.
Floor jacks or service jacks have a removable and rebuildable power unit once they have reached certain cost threshold.