被称作柴油机心脏的喷油泵与喷油器，其工作状况的好坏，直接关系到机车能否提高工效、降低油耗和确保正常作业。喷油泵必须上试验台由油泵工调试，驾驶员或修理工不可乱动。喷油器在操作简便的喷油器核验器上校正，因其价格便宜，不少基层修理点都已购置，一般可自行调试。但 Known as the heart of the diesel fuel injectors and injectors, the quality of their work is directly related to the locomotive can improve work efficiency, reduce fuel consumption and ensure normal operation. Fuel pump must be on the test bed by the pump engineer debugging, drivers or mechanics must not be disturbed. The injector is calibrated on an easy-to-use injector checker. Because of its low cost, many primary repair points have been purchased and are generally self-commissioning. but