VALVE GP- 4858648 - 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, "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.
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.
Illustration 1 g03100036The primary fuel filter is on the right side of the engine compartment underneath the hood.
Park the machine on a level surface.
Lower the bowl.
Shut off the engine.
Move fuel shutoff valve (4) to the CLOSED position.
Clean primary fuel filter (2). Clean filter mounting base (1), which is located above the filter.
Turn the filter to the left in order to loosen the filter. Loosen the filter with a strap type wrench.
Remove the filter. Clean the bottom of the filter mounting base. Make sure that all of the old filter seal is removed.
Remove water separator bowl (3) from fuel filter (2). Clean the water separator bowl and clean the groove for the O-ring. Note: Check the water separator bowl for damage. Reuse the water separator bowl if no damage is present.
Lubricate the O-ring with clean diesel fuel or lubricate the O-ring with clean motor oil. Place the O-ring in the groove on the water separator bowl.
Install water separator bowl (3) onto the new fuel filter (2) by hand.
Apply clean diesel fuel to the seal of the new filter.
Install the new fuel filter hand tight until the seal of the fuel filter contacts the filter mounting base. Note the position of the index marks on the filter in relation to a fixed point on the filter mounting base. Note: There are rotation index marks on the filter that are spaced 90 degrees or 1/4 of a turn away from each other. When you tighten the 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 tightening the filter. Note: You may need to use a Cat 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.
Return the fuel shutoff valve to the OPEN position.
Purge the air from the fuel system. See the Operation and Maintenance Manual, "Fuel System - Prime" for further instructions. Note: The secondary fuel filter should also be changed at this time. See the Operation and Maintenance Manual, "Fuel System Secondary Filter - Replace" for further instructions.
Start the engine and check for leaks.