| NOTICE |
|---|
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 Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Close the fuel shutoff valve at the fuel tank.
- Open the engine hood. The primary fuel filter is on the left side of the machine.
 | |
| Illustration 1 | g00873452 |
- Open the drain valve on the bottom of water separator bowl (3). Allow the water and the fuel to drain into a suitable container.
 | |
| Illustration 2 | g00661109 |
554 Forwarder | |
 | |
| Illustration 3 | g00527495 |
574 Forwarder | |
 | |
| Illustration 4 | g00873455 |
574 Forwarder (If Equipped) | |
- Support water separator element (2) and rotate retaining ring (1) counterclockwise. Remove the retaining ring.
- Remove water separator element (2) from the filter mounting base.
- Remove water separator bowl (3) 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. 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 water separator bowl (3) on the new filter element by hand until the filter element is snug. Do not use tools to tighten the filter element.
| NOTICE |
|---|
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. |
- Install the new water separator element. Rotate retaining ring (1) clockwise in order to fasten the filter to the filter mounting base. Continue to turn the retaining ring until an audible click is heard. If a click is not heard, then the retaining ring has not been rotated far enough and the element is not in the locked position.
- Close the drain valve on the bottom of water separator bowl (3) .
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.
- Open the fuel shutoff valve at the fuel tank.
- 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 hood.