1 活塞栽丝故障情况我段1980年10月～1990年10月,10年间 E207J 型柴油机活塞栽丝松动、脱落、折损故障共发生406件(附表),每10万 km 临修及扩大修件数平均分别为0.92件及5.68件。由附表中还可看出,自针对栽丝损坏原因而采取了多方面的改进措施后,每10万 km 的临修件数降为0,扩大修降为0.092件。 1 Piston planting wire fault situation I section October 1980 ~ October 1990, 10 years E207J diesel engine piston planted loose, off, damage occurred a total of 406 pieces of fault (Schedule), per 100,000 km of temporary repair and expansion The average number of repairs was 0.92 and 5.68 pieces respectively. It can also be seen from the attached table that since the improvement measures against various causes of planting damage, the number of temporary repairs per 100,000 km has been reduced to 0, and the number of repairs reduced to 0.092.