1.故障的概况日本国铁内燃机车发生故障的件数,自1974年度以来急剧地减少,1977年初平均每百万公里的故障件数在一件以下,以后又逐步减少下来。但是,1981年度却一反常态又增加了。因此,在1982年的检修人员会议上重新研究了今后应该尽一切努力使故障件数不致出现增加趋势的问题。 1. Overview of malfunctions The number of failures of Nippon Steel & Diesel locomotives has drastically decreased since 1974, with an average of less than one per million kilometers of defects in early 1977 and then gradually decreasing. However, the anomaly in 1981 increased again. Therefore, the 1982 maintenance personnel meeting re-examined the future should make every effort to make the problem does not appear to increase the number of problems.