Inspect the pump driveshaft for metal transfer from gear slippage.Remove the gasket material and clean the surface making sure that it is smooth and free of burrs.NOTE: Injection pumps designed to meet Tier 2/Stage II Industrial emissions levels have straight holes (not kidney slots) and do not use a timing key. If the drive key falls into the engine it can result in severe engine damage. Important: Do not drop drive gear key when removing the pump. Use fuel pump gear puller, remove the three mounting nuts and take off the fuel injection pump.

Pull the fuel injection pump drive gear loose from the pump drive shaft.The smaller of the two openings will be showing and the lock plate will be loose against the screw. The special locking plate on the Delphi injection pump must slide to one side so the lock screw can be tightened against the drive shaft.NOTE: Be sure to disengage the pin after locating top dead center. Locate top dead center for cylinder Number 1 by barring the engine slowly, while pushing in on the top dead center pin.Remove the access cap, gear retaining nut, and washer.Remove the injection pump rear support bracket.Remove the fuel air control tube, if used.Disconnect the electrical wire to the fuel shutoff solenoid valve, if equipped.Remove the high-pressure injection lines.To do so may cause seizure of the injection pump. IMPORTANT: Never steam clean or pour cold water on an Injection pump while the pump is running or while it is warm. PDF: Delphi DPA Pump Cummins lock timed removal and install RemovalĬlean the exterior of the injection pump and mounting surfaces. DPA Injection Pump Lock Timed Removal and InstallationĬummins and Case “Locked Timed” application with the CDC Cummins engine

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