LEVER 3N6889 - Caterpillar

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.
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.
Illustration 1 g00772880
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.
Illustration 2 g00101318
Lubricate the gasket of the new filter element with clean diesel fuel. Install the new filter hand tight until the seal of the fuel filter contacts the base. Note the position of the index marks on the filter in relation to a fixed point on the filter base.Note: There are rotation index marks on the fuel filter that are spaced 90 degrees or 1/4 of a turn away from each other. When you tighten the fuel filter, use the rotation index marks as a guide.
Tighten the filter according to the instructions that are printed on the filter. Use the index marks as a guide. For non-Caterpillar filters, use the instructions that are provided with the filter.Note: You may need to use a Caterpillar strap wrench, or another suitable tool, in order to turn the filter to the amount that is required for final installation. Make sure that the installation tool does not damage the filter.
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.