Removal Procedure
| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
| 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. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
Note: Place identification marks on all tube assemblies for installation purposes. Plug all tube assemblies. This helps to prevent contaminants from entering the system.
- Disconnect union nuts (1) for tube assemblies (2) from fuel injection nozzles (7) .
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| Illustration 1 | g00994005 |
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| Illustration 2 | g00824793 |
| NOTICE |
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Do not let the tops of fuel nozzles turn when the fuel line nuts are loosened or tightened. The nozzles will be damaged if the top of the nozzle turns in the body. The engine will be damaged if a defective fuel injection nozzle is used because the shape of fuel (spray pattern) that comes out of the nozzles will not be correct. |
- Disconnect union nuts (1) for tube assemblies (2) from the fuel injection pump.
- Remove tube assemblies (2) from the engine as a unit.
- Remove banjo bolt (4) from tube assembly (3) .
- Remove washers (8) from tube assembly (3) .
- Remove nut (5) from fuel injection nozzles (7) .
- Remove tube assembly (3) from the engine and remove washers (6) from fuel injection nozzles (7) .
Installation Procedure
| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Install new washers (6) on fuel injection nozzles (7) and install tube assembly (3) on the fuel injection nozzles.
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| Illustration 3 | g00824793 |
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| Illustration 4 | g00994005 |
- Install nuts (5) on fuel injection nozzles (7) . Tighten the nuts to a torque of 27 N·m (20 lb ft).
- Install new washers (8) on tube assembly (3) and install banjo bolt (4) on the fuel injection pump. Tighten banjo bolt (4) to a torque of 2.5 N·m (22 lb in).
- Install tube assemblies (2) on the engine as a unit.
- Connect tube assemblies (2) to the fuel injection pump. Tighten union nuts (1) to a torque of 23 N·m (17 lb ft).
| NOTICE |
|---|
Do not let the tops of fuel nozzles turn when the fuel line nuts are loosened or tightened. The nozzles will be damaged if the top of the nozzle turns in the body. The engine will be damaged if a defective fuel injection nozzle is used because the shape of fuel (spray pattern) that comes out of the nozzles will not be correct. |
- Connect tube assemblies (2) to fuel injection nozzles (7) . Tighten union nuts (1) to a torque of 23 N·m (17 lb ft).
- Prime the fuel system. Refer to Testing and Adjusting, "Fuel System - Prime".