The main reason for having air in the hydraulic system is that you have a bad seal that is sucking air in, or the jack was upside down.
All you need is an Allen wrench and a few minutes to watch the step-by-step video:
- Put the jack on a flat level surface and pump it all the way up. Release and retract all the way down.
- Open the filler plug on the side of the cylinder with the Allen wrench. (Do not remove the screws on the base!)
- The location of the plug is significant because it indicates the proper fluid level. It may hiss a little as you unscrew the fill plug.
- Look into the hole and make sure the level is good. It should be right up to the fill plug hole. If it's low, top it off. Most jacks take about 1 pint of oil.
- Screw the plug back in.
- Put the handle release on the up position and pump the jack 10-12 times completely up and down to cycle out any air that is in the system.
- Then place the lever on the handle into the down position and test the jack. It should work noticeably better.
Call us at 1-800-331-0839, or order through our website www.GenericParts.com 24/7.
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