对柴油机出现故障前的预防维修,其大部分可以在机架上进行,不需送厂或吊离机器,其目的是预防故障扩展,避免造成较大的损失。修理成本可节约50％～ 70％,这样修理时间的安排能有较大的弹性。因此,我们对柴油机的各种异常现象, 必须要有正确的判断,采取适当措施排查,以减少损失。 The preventive maintenance of diesel engine before failure, most of which can be carried out in the rack, without sending the plant or hanging machine, the purpose is to prevent the expansion of the fault to avoid causing greater losses. Repair costs can be saved 50% to 70%, so arrangements for repair time can have greater flexibility. Therefore, we must have correct judgments on various abnormal phenomena in diesel engines and take appropriate measures to investigate and mitigate the losses.