How to Replace Fuel Pump for Cummins EnginePosted by Phoebe on April 6th, 2021 This instruction will show you guide on how to do fuel pump replacement for cummins engine. Preparation: Newest Cummins Insite 8.6 8.4 Free Download 2021 Insite 8.7 Electronic Service Tool+Zapit ECM Password Removal+Fleet Steps: Remove all the fuel lines. Remove control linkage. Remove fuel shut off solenoid NOTE:A diesel engine cannot tolerate dirt or water in the fuel system.A tiny piece of dirt or a few drops of water in the injection system may stop your unit. Clean all external surfaces of the injection pump, including all line connections and fittings that are to be disconnected. Clean the area around the injection pump gear cover to prevent dirt from entering the crankcase. Removing the Fuel Pump Locate TDC for cylinder number 1. Push the TDC pin into the hole in the camshaft gear while slowly barring the engine. To prevent damage to the timing pin, be sure to disengage the pin after locating TDC. 14mm Loosen the CAV injection pump lock screw and position the special washer, then tighten the lock screw against the pump drive shaft. Torque Value:7 N·m [5ft-lb] 3/8 Inch Loosen the Stanadyne DB4 fuel injection pump lock screw and position the special washer.Tighten the lock screw until contact is made with the fuel injection pump drive shaft. Torque Value:12 N·m [9ft-lb] 10mm The special washer on the Bosch injection pump must be removed so the lock screw can be tightened against the drive shaft. Torque Value:30 N·m [22 ft-lb] 22mm Remove the gear cover access cap. Remove the nut and washer from the fuel pump shaft. 75mm T-Bar Puller Pull the fuel pump drive gear loose from the shaft Caution:Do not remove the control lever.The lever is indexed to shaft during pump calibration.Removal of the lever will alter the fuel pump calibration and effect engine performance. 13mm NOTE:Do not drop drive gear key when removing pump. Remove the three mounting nuts. Remove the fuel pump. Like it? Share it!More by this author |