Hydraulic air lock Three locking mechanisms are available: spring lock, air pressure lock and air/spring pressure lock. All radial engines have some cylinders that are pointing downwards and are, therefore, susceptible to hydraulic lock. If airlock does occur, follow these steps to troubleshoot and resolve the issue: 1. 00 $ 119. Proper hydraulic system locking is essential in movable bridges, canal locks and water-related lifts. We offer a wide range of air hydraulic jacks, available in single, two, three, and four-stage models with lifting capacities of up to 200 tonnes, suitable for workshops, buses, trucks, mining dump trucks, and bulldozers. In some cases, air can enter the system through the hydraulic fluid itself if it is contaminated with water or other Catalog HY08-0931 Obsolete Series 2AJ & 2ANJ, Rod Lock Air Cylinders. No pressure to anything. After a radial engine has been Jack - Air Hydraulic. All potentially hazardous stored or residual energy (such as that in springs, elevated parts, rotating flywheels, hydraulic systems, electrical systems, and air, gas, steam, or water pressure, etc. epdbkkvakuqoborzghpreaeaqmgjuugdxjysiskemutbmzsqzuwrojmqewilzqjfahohwwlogz