Changes in temperature and transportation in awkward positions can cause air to accumulate in a hydraulic circuit which can cause an air hydraulic bottle jack to fail. This short video shows you how to quickly and efficiently remove the air from the hydraulic circuit and get your jack back to work.
Check out the product in this video:
Air Hydraulic Bottle Jack
http://zinkojack.com/jacks/air-hydraulic-bottle-jack.html
آی-ویدئو