Home » John Deere » 1025R » John Deere – 1023E, 1025R and 1026R – Install Fuel Injection Pump: 3TNV76 and 3TNV80

John Deere – 1023E, 1025R and 1026R – Install Fuel Injection Pump: 3TNV76 and 3TNV80

[1] – Apply John Deere form-in-place gasket to injection pump mating surfaces.

[2] – Install and tighten injector pump, aligning the timing mark to the same mark on the timing gear housing as noted during removal.

[3] – Install and tighten the three mounting nuts to specification.

[4] – Align the timing gear marks and install injector pump gear and lock nut and tighten to specification.

[5] – Apply John Deere form-in-place gasket to injection pump gear cover and install cover.
Tighten cover cap screws to specification.

[6] – Install the inlet and outlet hoses to the fuel transfer pump.

[7] – Install the injector lubrication line and secure with banjo bolts.

[8] – Install the fuel input hose and injector nozzle leakoff hose to the injection pump.

[9] – Install fuel lines at the injection pump and the injector nozzles and tighten the connector nuts to specification. When tightening connectors, use a backup wrench to prevent delivery valves from turning.

[10] – Install and connect the fuel shutoff solenoid.

[11] – Install the air cleaner assembly.