C7 On-Highway Engine Caterpillar

Installation Procedure

1. Ensure that the No. 1 cylinder is at the top center compression stroke. Refer to Testing and Adjusting, "Finding Top Center Position for No. 1 Piston".
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   Illustration 1	g01352571

   Note: Ensure that Tooling (A) or Tooling (C) is installed prior to installation of the fuel injection pump. Use Tooling (A) for the fuel injection pumps with timing pin on the bottom of the fuel injection pump. Use Tooling (C) for the fuel injection pumps with timing pin on the side of the fuel injection pump.

2. Align fuel injection pump (11) in the correct orientation relative to the front housing. Connect hose assembly (7).

3. Install fuel injection pump (11). Move fuel injection pump (11) straight into the front housing to properly engage the gear. Install bolts (10).

4. Install the support assembly and nuts (9). Connect harness assemblies (8).

   Note: For fuel injection pumps with the timing pin on the bottom of the fuel injection pump, proceed to Step 5. After completing Step 5, proceed to Step 7.

   Note: For fuel injection pumps with the timing pin on the bottom of the fuel injection pump, proceed to Step 6.

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   Illustration 2	g01365142

5. Remove Tooling (A) and install Tooling (B). Tighten Tooling (B) to a torque of 4.5 ± 0.5 N·m (40.0 ± 4.0 lb in).
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   Illustration 3	g06003747

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   Illustration 4	g06003883

6. Remove Tooling (C) and install Tooling (D). Tighten Tooling (D) to a torque of 9 ± 1 N·m (80 ± 9 lb in).

7. Install bolts (2). Connect tube assembly (6) and tube assembly (5).

8. Install tube assembly (4), tube assembly (3), and tube assembly (1).

End By:

1. Install the air compressor. Refer to Disassembly and Assembly, "Air Compressor - Remove and Install".