C3.3B – Fuel Injection Pump – Remove and Install

Removal Procedure

Start By:

1. Remove fuel injection line.

Note: Refer to Specification UENR0995 "Engine Design" for non-specified engine Torque Values.

1. Turn the fuel supply to the OFF position.

2. Turn the battery disconnect switch to the OFF position.

Illustration 1	g02781037

3. Disconnect hose assembly (2) from fuel injection pump (1) .

4. Remove sight cover (3) from fuel injection pump (1) .

Illustration 2	g02874459

5. Remove the shutoff solenoid and cover (1A) . Install Tooling (A) to hold back the governor control arm and assist removing the spring (5) and nut (4) .

Illustration 3	g02781105

6. Disconnect spring (5) and attach a thin wire to spring (5) . Remove nut (4) . Position the lever off the stud.

Personal injury can result from parts and/or covers under spring pressure. Spring force will be released when covers are removed. Be prepared to hold spring loaded covers as the bolts are loosened.

7. Remove two nuts (6) and four bolts (7) from fuel injection pump (1) . The fuel injection pump (1) is spring loaded.

8. Carefully remove fuel injection pump (1) from the fuel injection pump housing.

Illustration 4	g02781040

9. Remove gasket shims (8) .

10. If necessary, remove studs (9) from the fuel injection pump housing.

11. To secure the spring from falling inside the housing use wire (10) .

12. Clean fuel injection pump (1) and the area around the fuel injection pump. Ensure that the area is free from contamination before beginning installation.

Installation Procedure

Illustration 5	g02781040

1. Keep wire (10) secure to the spring to prevent falling into the housing.

2. If necessary, install studs (9) into the fuel injection pump housing.

3. Position new gasket shims (8) onto the fuel injection pump housing.

   Note: When you disassemble or replace, make sure that you use the same number of new gasket shims with the same thickness.

Illustration 6	g02781105

4. Carefully install fuel injection pump (1) into the fuel injection pump housing .

5. Install four new bolts (7) into fuel injection pump (1) . Install two nuts (6) into fuel injection pump (1) . Tighten bolts (7) to a torque of 24 to 27 N·m (214 to 240 lb in). Tighten nuts (6) to a torque of 18 to 20 N·m (159 to 178 lb in).

Illustration 7	g02781722

6. Position the lever on the stud. Install nut (4) to hold the lever in place. Tighten nut (4) to a torque of 3 to 4 N·m (26 to 36 lb in).

7. Connect spring (5) with the thin wire.

Illustration 8	g02781037

8. Install sight cover (3) .

9. Connect hose assembly (2) to fuel injection pump (1) .

10. Turn the fuel supply to the ON position.

11. Turn the battery disconnect switch to the ON position.

12. After replacement of the fuel injection pump, the fuel injection pump must be calibrated. Refer to System Operation, Testing and Adjusting, "Fuel Injection Timing - Check".

End By: Install fuel injection lines.