[1] – Install a new gasket (A) between injection pump and engine. Make sure oil hole (B) is correctly lined up with oil hole on injection pump and engine block.
[2] – Install the injection pump, the metal gasket (C), and the four socket head cap screws (D). Tighten the cap screws to specification.
[3] – Carefully install the injection pump drive gear and hub assembly while aligning the shaft key with keyway in hub and the timing gear marks. Install lock washer and nut and tighten to specification.
[4] – Check fuel injection timing and adjust if necessary. (See Adjust Fuel Injection Timing: 3TNM74 in Section 230, Group 15.)
[5] – Install injection pump gear cover.
[6] – Install the inlet and outlet hoses to the fuel transfer pump.
[7] – Install the fuel input hose and injector nozzle leakoff hose to the injection pump.
[8] – 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.
[9] –
IMPORTANT:
Avoid Damage! After installing an injection pump it is important to add engine oil to the injection pump to provide lubrication for initial start up.
Add 150—200 cc (5—7 oz.) of clean engine oil to the injection pump through the fill plug (E) in the top of the governor housing.
Remove fill plug (E) in the top of the governor housing and add 150—200 cc (5—7 oz.) of clean engine oil to the injection pump.
[10] – Install the air cleaner assembly.
