This video demonstrates how to repair a hydraulic jack that has lost its ability to lift. The presenter shows how to identify the problem, which is often an air bubble trapped under the ram. They then explain how to remove the air by cycling the jack multiple times after refilling it with hydraulic oil.
757492 6 лет назад 3:14This video demonstrates a simple technique for fixing a bottle jack that won't lift. The process involves using a screwdriver to pry open a rubber seal on the back of the jack and listening for air to escape. By repeating this process, you can bleed any trapped air and restore the jack's lifting ability.
65939 4 года назад 2:20