D6N Track-Type Tractor Engine Supplement Caterpillar

Removal Procedure

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Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death.

Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

1. Turn the fuel shutoff valve to the OFF position.

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Illustration 1	g02825218

2. Place a suitable container below fuel pressure regulator (1) in order to catch any fuel that might be spilled.

3. Disconnect tube assembly (2) from fuel pressure regulator (1) .

4. Remove fuel pressure regulator (1) from the fuel manifold.

Installation Procedure

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Illustration 2	g02825221

1. Install fuel pressure regulator (1) to the fuel manifold.

2. Connect tube assembly (2) to fuel pressure regulator (1). Tighten tube assembly (2) to a torque of 30 N·m (22 lb ft).

3. Turn the fuel shutoff valve to the ON position.

4. Prime the fuel system. Refer to Operation and Maintenance Manual, "Fuel System - Prime".