320D3 Excavators Caterpillar

Fuel System Secondary Filter - Replace

Usage:

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Personal injury or death may result from failure to adhere to the following procedures.
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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NOTICE

Do not fill the fuel filters with fuel before installing the fuel filters. The fuel will not be filtered and could be contaminated. Contaminated fuel will cause accelerated wear to fuel system parts.

Open the access door on the right side of the machine.
Shut off the fuel supply. Refer to this Operation and Maintenance Manual, "Fuel Tank Shutoff and Drain Control" for additional information.
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Illustration 1 g06317297
Loosen drain valve (2) and allow the fuel to drain out of the housing.
Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information on containing fluid spillage.
After all the fuel has been removed, tighten the drain.
Remove the secondary fuel filter housing (1) from the base.
Remove the filter element from the housing.
Clean the filter housing and the base.
Install the new filter element into the housing.
Apply a thin coat of clean diesel fuel to the sealing surface of the new fuel filter.
Install the new filter by hand until the filter housing contacts the base.
Turn on the fuel supply. Refer to this Operation and Maintenance Manual, "Fuel Tank Shutoff and Drain Control" for additional information.
Close the access door.