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Personal injury or death can result from a fire. Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. Clean up all leaked or spilled fuel. Do not smoke while working on the fuel system. Turn the disconnect switch OFF or disconnect the battery when changing fuel filters. |
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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. The fuel will not be filtered and could be contaminated. Contaminated fuel will cause accelerated wear to fuel system parts. The fuel system should be primed prior to starting the engine. |
- Open the engine access door on the left side of the machine. The primary fuel filter (1) is a spin-on type filter.
- Install a hose or a tube onto drain valve (3). Open drain valve (3) on the bottom of water separator bowl (2). Allow the water and the fuel to drain into a suitable container.
- Close drain valve (3). Remove the tube or the hose from the drain valve.
- Remove primary fuel filter (1) from the filter base.
- Remove water separator bowl (2) from primary fuel filter (1). Inspect the fuel filter element for debris by cutting the filter open. Discard the used fuel filter element properly. Clean water separator bowl (2).
Note: The water separator bowl is reusable. Do not discard water separator bowl (2).
- Inspect the gasket on water separator bowl (2). Replace the gasket, if necessary.
- Lubricate the gasket with clean diesel fuel or with engine oil. Place the gasket in water separator bowl (2).
- Install water separator bowl (2) onto the new primary fuel filter (1) by hand until water separator bowl (2) is snug. Do not use tools to tighten water separator bowl (2).
Note: Remove the cap from the new primary fuel filter before you install the water separator bowl. Discard the cap.
- Clean the filter mounting base. Make sure that all of the used seal is removed from the filter mounting base.
- Apply a thin coat of diesel fuel or engine oil to the seal on new primary fuel filter (1).
- Install the new fuel filter by hand. When the seal contacts the filter base, tighten primary fuel filter (1) by an additional 3/4 turn. This will tighten primary fuel filter (1) sufficiently. Do not use tools to tighten primary fuel filter (1).
- Prime the fuel system in order to fill the water separator element with fuel.
Reference: Refer to Operation and Maintenance Manual, "Fuel System - Prime" for the correct procedure.
- Close the engine access door.
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| Illustration 1 | g01119024 |