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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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products. Dispose of all fluids according to local regulations and mandates. |
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Do not fill fuel filters with fuel before installing them. Contaminated fuel will cause accelerated wear to fuel system parts. Fuel system should be primed prior to starting the engine. |
- The water separator bowl (2) is located on the bottom of the primary fuel filter (1). Open the drain valve (3) on the water separator bowl. Allow the water and the fuel to drain into a suitable container.
- Use a strap type wrench to remove the filter from the filter mounting base.
- Remove the water separator bowl from the filter element. Clean the water separator bowl and the O-ring groove.
Note: The water separator bowl is reusable. Do not discard the water separator bowl.
- Inspect the O-ring seal in the water separator bowl for damage. Replace the O-ring seal, if necessary.
- Lubricate the O-ring seal with clean diesel fuel or with engine oil. Place the O-ring seal in the water separator bowl.
- Install the water separator bowl onto the new filter element by hand. Do not use tools to tighten the water separator bowl.
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Illustration 2 g00101318 - Lubricate the gasket of the new filter element with clean diesel fuel.
- Install the new filter on the filter mounting base. When the filter gasket contacts the filter mounting base, tighten the filter by an additional 3/4 turn.
- Tighten the drain valve on the water separator bowl.
Note: The water separator element is under suction during normal engine operation. The drain valve must be tightened in order to prevent air leakage into the fuel system.
- Prime the fuel system in order to fill the filter element with fuel.
Reference: Refer to Operation and Maintenance Manual, "Fuel System Prime" for the correct procedure.
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| Illustration 1 | g00791902 |
