C7 On-Highway Engine Caterpillar

Assembly Procedure

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Illustration 1	g01265741

Note: Check the O-ring seals for wear or for damage. If necessary, replace the O-ring seals.

Note: Exceeding the listed torque specifications may cause low engine performance.

1. Install O-ring seals (15) onto check valve (14). Install check valve (14). Tighten check valve (14) to a torque of 27 ± 3 N·m (20 ± 2 lb ft).

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Illustration 2	g01265739

Note: Check the O-ring seals for wear or for damage. If necessary, replace the O-ring seals.

Note: Exceeding the listed torque specifications may cause low engine performance.

2. Install O-ring seals (13) onto check valve (12). Install check valve (12). Tighten check valve (12) to a torque of 27 ± 3 N·m (20 ± 2 lb ft).

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Illustration 3	g01265722

Note: Check the O-ring seals for wear or for damage. If necessary, replace the O-ring seals.

3. Install O-ring seals (11) on valve assembly (10). Install valve assembly (10), coil assembly (9), washer (8), and nut (7). Tighten valve assembly (10) to a torque of 30 ± 5 N·m (22 ± 4 lb ft). Tighten nut (7) to a torque of 20.0 ± 2.5 N·m (15 ± 2 lb ft). Repeat for the remaining solenoid valve.

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Illustration 4	g01265721

Note: Check the O-ring seals for wear or for damage. If necessary, replace the O-ring seals.

4. Install O-ring seals (6) onto valve assembly (5). Install valve assembly (5), coil assembly (4), washer (3), and nut (2). Tighten valve assembly (5) to a torque of 50 ± 10 N·m (37 ± 7 lb ft). Tighten nut (2) to a torque of 20.0 ± 2.5 N·m (15 ± 2 lb ft).

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Illustration 5	g01265718

5. Install tube assembly (1) .

End By: Install the fuel manifold. Refer to Disassembly and Assembly, "Fuel Control Manifold (ARD) - Install".