导轨式升降机的下降阀怎么维修

重庆升降机的下降阀失灵的解决办法如下。The solution to the failure of the Chongqing elevator down valve is as follows.
 
1.如果重庆升降机下降阀失灵，在按下下降按钮的情况下，检查下降阀是否有电。若无电，设法排除；若有电，则排除下降阀本身故障，或更下降阀。下降阀应保持清洁、润滑。If the Chongqing elevator down valve failure, in the case of the press down button, check whether there is electricity down valve. If no electricity, try to rule out; if there is electricity, the valve itself is excluded from the failure, or more down valve. Down valve should be kept clean and lubricated.

2.重庆升降机下降阀封闭不严，检查下降阀是否有电，如有电则排除下降阀本身故障或更换下降阀。下降阀的滑阀必须保持清洁，且移动灵活。Chongqing lift down valve closed lax, check whether there is electricity, such as electricity is excluded from the fall in the valve itself or the replacement valve failure. Drop valve spool valve must be kept clean, flexible and mobile.

3.重庆升降机油缸内漏，更换油缸密封件。Chongqing lift cylinder leakage, replace the cylinder seal.

4.重庆升降机下降速度控制阀失调，调整下降速度控制阀，如调节无效更换新阀。Chongqing elevator down speed control valve imbalance, adjust the decline rate control valve, such as the adjustment of the new valve replacement.