ENGINE ARRANGEMENT 3N3918 - 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.
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Open the access door that is on the left side of the machine. Secure the access door.
Bodily injury can occur from unexpected contact with open cab doors on machines equipped with a fixed cab riser.To avoid injury, close the cab door before climbing onto the rear of the machine.
Remove the fuel tank cap and the fuel fill screen.
Wash the fuel fill screen and wash the fuel tank cap. Refer to the next two topics.
Install the screen into the filler opening.
Install the fuel tank cap.
Close the access door.Type 1 Fuel Tank Cap
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Inspect the gasket for damage. Replace the cap if the gasket is damaged.
Wash the fuel fill screen and wash the fuel tank cap. Wash these components in a clean, nonflammable solvent.Type 2 Fuel Tank Cap
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(1) Screws (2) Filter Assembly (3) Valve (4) Seal
Inspect seal (4) for damage. Replace the seal, as needed.
Remove the following items: screws (1), filter assembly (2), valve (3) and gaskets.
Wash the fuel fill screen and wash the fuel cap. Wash these components in a clean, nonflammable solvent.