Hand pumps work should mention firmly press the handle, high pressure hand pump, may not have the urge to make the oil phenomenon, hand pumps, so that each valve lasting work. Do not forget to check the pressure hand pump unloading. When unloading, manual pump works, slowly rotating high pressure hand pump unloading valves, observe the pressure gauge pointer to the zero position for the position, the system uninstalled. Uninstall impact caused excessive damage is easy to gauge. Convinced that the system pressure is zero bits, then party detachable connection between the hydraulic lines (EHV quick connector). Manual pump works, Lu of the hydraulic hand pump provided by the Texas Lu of the hydraulic machinery plant. Texas Lu force hydraulic machinery plant (www.luliyeya.com) located in Dezhou City, Shandong Province, seven West Industrial Park. Scraps and development in the wave of market economy, the current Lu hydraulic force has a high profile in the hydraulic machinery and parts, and enjoy a good reputation. Hydraulic Lu made the whole network business alliance certification, marking our service and management level has reached a new height. Lu Hydraulic staff willing to work with all people of insight and common development, for a better future.