PUMP GP-PISTON 2391490 - Caterpillar

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.
Do not fill fuel filters with fuel before installing them. Contaminated fuel will cause accelerated wear to fuel system parts.
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Open the access door on the left side of the machine.
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(1) Collar. (2) Water Separator Element. (3) Collar. (4) Drain Valve. (5) Bowl.
Turn drain valve (4) counterclockwise in order to open. The drain valve is located on the bottom of the water separator.Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information that pertains to containing fluid spillage.
Drain the water and the sediment into a suitable container.Note: Dispose of used fluids according to local regulations.
Close the drain valve (4) .
Hold the bottom of water separator element (2) while you loosen collar (3) .
Remove bowl (5) .
Loosen collar (1) .
Remove water separator element (2). Discard water separator element (2) .Note: The water separator element is a cartridge type filter. The filter cannot be reused.
Clean the inside surfaces of the filter head and of the bowl (5) .
Inspect the O-ring on bowl (5). Also inspect the seal on the filter head. Replace these seals if the seals are worn or damaged.
Install a new water separator element. Tighten collar (1) in order to secure the water separator element.
Install bowl (5). Tighten collar (3) .Note: Do not start the engine until all service to the fuel system is complete. For instructions about priming the fuel system, refer to Operation and Maintenance Manual, "Fuel System Priming Pump - Operate".
Close the access door.