1、升降机厂家http://www.jntr168.com/介绍检查油缸内部有没有内漏情况，升降是否明显的下滑，下滑明显就要看一下油缸，密封圈是否损坏。
Lift manufacturers introduce inspection cylinder internal situation there is no leakage, lifting whether significant decline, we must look at the fuel tank fell significantly, seals for damage.

2、升降机厂家提醒检查操纵阀、安全阀是否都有损坏，损坏应更换，升降平台安全阀门若没有变化，在检查操纵阀门情况，一般间隙0.06mm，有磨损情况及时更换。
Check control valve lift manufacturers to remind, if the safety valve has damage, damage should be replaced, lifting platform safety valve if there is no change in the manipulation of the valve inspection, the general gap 0.06mm, wear timely replacement.

3、升降机厂家http://www.jntr168.com/建议大家一定要测量泵站的压力，压力偏低，请进行调整，压力调不上去，液压泵站会严重损坏。
Lift manufacturer recommends that we must measure the pressure pumping station, low pressure, adjust the pressure transfer does not go up, pump station will be seriously damaged.