3304 & 3306 – Fuel Injection Valves Disassembly and Assembly

Remove Fuel Injection Valves (Industrial Engine)

1. Disconnect fuel injection line (1). Put a cap on the opening. Remove nut (2).

2. Remove the fuel injection valve and body (3) from precombustion chamber.

3. Remove fuel injection valve (4) from body (5).

Install Fuel Injection Valves (Industrial Engine)

1. Assemble fuel injection valve and body. Install fuel injection valve and body into precombustion chamber.

2. Install and tighten nut to a torque of 105 ± 5 lb.ft. (142 ± 7 N·m).

3. Remove cap from fuel injection line. Connect line and tighten nut to a torque of 30 ± 5 lb.ft. (40 ± 7 N·m).

Remove Fuel Injection Valves (Marine Engine)

1. Remove the fuel injection lines.

2. Remove the nut (1) that holds the fuel injection valve.

3. Remove the fuel injection valve and body from the precombustion chamber.

4. Remove the fuel injection valve (2) from body (3).

Install Fuel Injection Valves (Marine Engine)

1. Install the fuel injection valve finger tight on the body.

2. Install the fuel injection valve assembly in the precombustion chamber.

3. Install the nut (1) that holds the fuel injection valve. Tighten the nut to a torque of 105 ± 5 lb.ft. (142 ± 7 N·m).

4. Install the fuel injection lines. Tighten the nuts to a torque of 30 ± 5 lb.ft. (40 ± 7 N·m).

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