Fuel injection pump is the "heart" of the diesel engine, so the injection pump must be properly maintained. To install the fuel injection pump on the diesel engine, you must check the fuel delivery advance angle; diesel engine 500 hours after operation, to re-check the fuel supply advance. Must use the national standard of light diesel oil, diesel after 48 ~ 96 hours precipitation filtration. Usually pay attention to the diesel tank and diesel filter clean. Inspect the governor oil daily, add enough in time. Fuel injection pump and governor between the skeleton seal, respectively, filling oil. If the oil surface due to dilution of oil, indicating that the fuel injection pump and pump serious oil spills, should be promptly excluded. 100 hours after the diesel engine is running, it is necessary to change the oil and clean the oil filter. Fuel injection pump shall not be free to disassemble, adjust, especially the sealing of the site, do need to remove the maintenance, to clean after the place. After every 2,000 hours of operation, the injection pump must be disassembled, inspected, replaced, or repaired, completely damaged and damaged, and re-commissioned. When the locomotive is not used for a long time, the fuel injection pump oil passage should be filled with diesel oil. If you want to remove the fuel injection pump, add anticorrosive oil in the oil passage and store it in the dry place. Do not keep it together with battery, acid, alkali, etc. When the fuel injection pump is to be reassembled and used, remove rust Only use after oil