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故障现象有一辆东风客车在170多公里的行程上换了3副断电器触点,所换下的触点有的甚至烧落了。故障检查断电器触点易烧坏的原因一般有如下5种:①断电器触点质量不好;②接触面不平整、触
Fault phenomenon There is a Dongfeng Bus more than 170 kilometers in the trip for 3 breaker contacts, replaced some of the contacts or even burned down. Fault check electrical contacts easy to burn out the reasons generally have the following 5 kinds: ① broken contacts quality is not good; ② contact surface is not flat, touch