Use and part of the new mixed chain guide rail type elevator chain of the old, otherwise easily in the transmission of shock, breaking the chain.

旧的导轨式升降机链条上不能与部分新链条混合使用，否则容易在传动中产生冲击，拉断链条。

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Often check the chain of the guide rail type of the tightness of the chain, the oil wire rope to periodically check the tightness of the oil wire rope.

经常检查一下导轨式升降机的链条的松紧程序，有油丝绳的要定期检查油丝绳 的松紧程度。

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