1.零部件检验不可漏 通常,维修人员在分析故障时,绝大多数都不会去怀疑刚修好的零部件,但有时故障原因却恰恰出在这些零部件上,给维修工作带来不少麻烦和损失。 例如,一台上海120A型推土机在作业时发现油底壳已进水,维修人员检查的结果是,因发动机的机油冷却器冻裂所致。将其送专业焊修点修复,取回时焊工师傅告知:该机油冷却器已修好且已做过水压试验,使用不会 1. parts inspection can not be missed Usually, the maintenance staff in the analysis of the failure, the vast majority will not be suspected of just repaired parts, but sometimes the cause of the malfunction is precisely on these parts, to bring a lot of maintenance work Trouble and loss. For example, a Shanghai 120A bulldozer found that the oil pan had been flooded during operation. As a result of maintenance personnel checking, the oil cooler of the engine froze and fractured. Send it to a professional welding repair repair, welder when asked to tell: the oil cooler has been repaired and has done a hydrostatic test, the use will not