装载机液压系统的泄漏主要有两种，一是固定不动部位（即静接合面，如液压缸缸盖与缸筒的接合处）密封的泄漏；二是滑动部位（即动结合面，如液压缸活塞与缸筒内壁、活塞杆与缸盖导向套之间）密封的泄漏，亦可分为内泄漏和外泄漏。
Shandong loader hydraulic system leak there are two, one is fixed and the site (ie static joints, such as hydraulic cylinders and cylinder head junction) seal leakage; two sliding parts (ie moving the joint surface, hydraulic cylinder between the piston and cylinder wall, piston and cylinder head guide sleeve) seal leakage, can be divided into internal leakage and external leakage.

装载机内泄漏主要产生在液压阀、液压泵（液压马达）及液压缸内部油液从高压腔流向低压腔；山东装载机外泄漏主要产生在液压系统的液压管路、液压阀、液压缸和液压泵（液压马达）的外部，即向零部件的外面渗漏。具体表现为管接头、密封件、元件接合面、壳体及系统自身原因而引起的油液泄漏。
Leakage is mainly produced in the hydraulic valve, hydraulic pump (hydraulic motors) and hydraulic cylinder inside the oil flow from the low pressure chamber hyperbaric chamber Shandong loader; Loader Shandong external leakage is mainly

produced in the hydraulic lines of the hydraulic system, hydraulic valves, hydraulic cylinders and the outside pump (hydraulic motor) external, namely parts of leakage. Specific performance fittings, seals, element joints, fluid leak

case and the reasons caused by the system itself.