3046 Engine For Caterpillar Built Machines Caterpillar

Installation Procedure

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Illustration 1	g00520077

1. Install fuel injection pump gear (10) .

2. Install O-ring seal (11) .

3. Install the washer and nut (9) onto the fuel injection pump gear. Tighten nut (9) to a torque of 83 to 98 N·m (61 to 72 lb ft).

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Illustration 2	g00520015

4. Use a suitable lifting device in order to secure the fuel injection pump housing and the governor (7) .

Note: Because the idler gear has an odd number of teeth, orientation of the fuel injection pump gear is critical. Orient the marks that were made during the removal of the fuel injection pump. After installation, ensure that the mark on the fuel injection pump gear is aligned to the mark on the idler gear.

Note: For installation of a new fuel injection pump gear, refer to Specifications, "Gear Group (Front)" and Testing and Adjusting, "Gear Group (Front) - Time" for the proper installation procedure.

Note: If the marks are lost or never made use the following procedure in order to install the pump.

5. Position the engine cylinder 1 at TDC.

6. Rotate the gear on the injection pump so that the 3's on the gear teeth will engage with the engine idler gear.

7. Install the injection pump so that 3's on the pump gear straddle the one gear tooth on the engine idler gear.

8. Install the washer and nut (8) onto the housing (front).

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Illustration 3	g00520012

9. Connect engine oil line (6) .

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Illustration 4	g00520011

10. Install the washer and nut (5) onto the cylinder block.

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Illustration 5	g00520009

11. Check the O-ring seal on the cover (4) . Replace the O-ring seal, if necessary.

12. Install cover (4) .

13. Install 5 bolts (3) onto cover (4) of the fuel injection pump.

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Illustration 6	g00520008

14. Connect fuel hoses (1) and (2) .

    Note: Set the time for the injection pump. Refer to Testing and Adjusting, SENR6457.

End By: Install the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install".