1: fixed elevator cargo ladder load or load natural drop 1~2 cm, and then do not move. This situation is generally a normal part of hydraulic systems, as machinery and hydraulics provide existential scalability.
2: drop 1~2 cm when no load, and then drop again. This is mostly the case of internal leakage inside the cylinder, which needs to be confirmed to replace the hydraulic cylinder.
3: shear fork elevator cargo ladder has been falling continuously. This kind of circumstance is inside hydraulic lock commonly dirty, clean hydraulic lock to be able to solve a problem. Of course, it is possible that the hydraulic lock is broken and needs to be replaced.
4: fixed elevator in the process of rising, there is a falling situation, generally fall 2 cm or so, this situation is generally oil leakage or insufficient oil or gas into the cylinder block points.
Fixed elevator cargo ladder oil leakage do? If oil leakage is found in the hydraulic cylinder, stop the machine immediately. Don’t wait until the oil runs out. If it’s a small amount of oil, look for the leak first. Can oil cylinder, oil pipe and each valve body, etc. wipe clean, and then lift action, find oil leakage point.