1、導軌式升降機http://www.v7ftun.cn/單向閥泄流，排除方法：檢查閥組中的單向閥。如果發(fā)現(xiàn)單向閥的密封面有臟物，清洗單向閥。
Elevator guide rail type check valve discharge, elimination method: check valve check valve in the group. If it is found that check valve sealing surface dirt, wash the check valve.

2、導軌式升降機下降閥封閉不嚴，排除方法：檢查下降閥是否有電，如有電則為下降閥本身故障，需清理更換下降閥，下降閥的滑閥必須保持清潔，且移動靈活。
Elevator guide rail type drop valve closes lax, exclusion methods: to check whether there is electricity, drop valve itself, such as electricity to drop valve fault drops to clean up the replacement valve, drop valve valve must be kept clean, flexible and mobile.

3、導軌式升降機http://www.v7ftun.cn/油缸內漏，排除方法：更換油缸密封件。
Guide lifting oil cylinder leakage, eliminate methods: replace the oil cylinder seals.