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接线螺帽是普通型火花塞构造中的一部分,它的作用是保证火花塞与高压导线可靠性连接,按接线方式分别有两种功能,第一种作用是压住高压导线接线端,其次是供高压导线连接的接线帽插接。因火花塞上装配的接线螺帽小巧,其作用往往被忽视,在使用中丢失、移作它用和不安装的现象常有发生,直接或间接造成火花塞与高压导线接触不良,导致发动机功率下降等故障。
Wiring nut is a common type of spark plug construction part of its role is to ensure the reliability of the spark plug and high voltage wire connection, according to the wiring has two functions, the first role is to suppress the high voltage wire terminals, followed by high pressure Wiring the connection cap plug. Due to the spark plug assembly nut compact, its role is often overlooked, lost in use, for its use and do not install the phenomenon often occurs, directly or indirectly caused by poor contact with the spark plug and high voltage wire, resulting in decreased power and other engines malfunction.