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火花塞是检查发动机工作状态的窗口,通过检查火花塞,即可基本了解发动机各汽缸的工作情况。1火花塞的技术要求火花塞在高温、高压和电、化学腐蚀的恶劣条件下工作,除了要有良好的绝缘性、较强的耐腐蚀性能和足够的机械强度外,还要有良好的密封性、耐高温性和积炭自净能力。火花塞电极间隙正常值应为0．6～0．8mm,当采用电子点火时,可增大至1．0～1．2mm。
Spark plug is to check the working state of the engine window, by checking the spark plug, you can basically understand the work of the engine cylinder. A spark plug technical requirements Spark plug in high temperature, high pressure and electricity, chemical corrosion under the harsh conditions of work, in addition to have good insulation, strong corrosion resistance and sufficient mechanical strength, but also have good sealing, High temperature resistance and coke self-cleaning ability. Normal spark plug electrode gap should be 0.6 ~ 0.8mm, when using electronic ignition, can be increased to 1.0 ~ 1.2mm.