| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 370-8376 | Cap Kit | 1 |
| NOTICE |
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Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training. Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System Operation, Testing and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system. |
| NOTICE |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Dispose of all fluids according to local regulations and mandates. |
- Turn the fuel supply to the OFF position.
- Turn the battery disconnect switch to the OFF position.
- Drain the secondary filters. Refer to Operation and Maintenance Manual, "Fuel System Secondary Filter - Replace" for the correct procedure.
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Illustration 1 g02241236 - Make temporary identification marks on all the plastic tube assemblies in order to show the correct position of the tube assemblies.
- Place a suitable container below the fuel filter base in order to catch any fuel that might be spilled.
- Disconnect plastic tube assembly (2), plastic tube assembly (3), and plastic tube assembly (4) from the fuel filter base.
- Use Tooling (A) in order to plug the plastic tube assemblies with new plugs. Use Tooling (A) in order to cap the ports in the fuel filter base with new caps.
- Disconnect the Original Equipment Manufactures (OEM) harness assembly from harness assembly (1) for the differential pressure switch.
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Illustration 2 g02227513 - Remove secondary filters (7) from canisters (8). Refer to Operation and Maintenance Manual, "Fuel System Secondary Filter - Replace" for the correct procedure.
- Remove bolts (5) from fuel filter base (6). Remove the fuel filter base from the mounting bracket.
Note: Do not disassemble the fuel filter base.
- If necessary, follow Step 11.a through Step 11.b in order to remove differential pressure switch (9) from fuel filter base (6).
- Remove differential pressure switch (9) from fuel filter base (6).
- Remove O-ring seal (10) (not shown) from the differential pressure switch.
| NOTICE |
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Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training. Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System Operation, Testing and Adjusting , "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system. |
- Ensure that fuel filter base (6) is clean and free from damage. If necessary, replace the complete fuel filter base and filter assembly.
- If necessary, follow Step 2.a through Step 2.c in order to install differential pressure switch (9) to fuel filter base (6).
- Install a new O-ring seal (10) (not shown) to the differential pressure switch.
- Install differential pressure switch (9) to fuel filter base (6).
- Tighten differential pressure switch (9) to a torque of
20 N·m (177 lb in) .
- Position fuel filter base (6) on the mounting bracket. Install bolts (5). Tighten the bolts to a torque of
44 N·m (32 lb ft) . - If necessary, install new fuel filters (7) to canisters (8). Refer to Operation and Maintenance Manual, "Fuel System Secondary Filter - Replace" for the correct procedure.
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Illustration 4 g01962657 - Remove the plugs from the plastic tube assemblies. Remove the caps from the ports in the fuel filter base.
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NOTICE Ensure that the plastic tube assemblies are installed in the original positions. Failure to connect the plastic tube assemblies to the correct ports will allow contamination to enter the fuel system. Serious damage to the engine will result if contaminated fuel enters the fuel system.
- Connect plastic tube assembly (2), plastic tube assembly (3), and plastic tube assembly (4) to fuel filter base (6).
- Connect the OEM harness assembly to harness assembly (1) for the differential pressure switch.
- Turn the fuel supply to the ON position.
- Turn the battery disconnect switch to the ON position.
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| Illustration 3 | g02227513 |
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- Remove the air from the fuel system. Refer to Operation and Maintenance Manual, "Fuel System - Prime" for the correct procedure.