PIN AS 5144459 - Caterpillar

Do not allow dirt to enter the fuel system. Thoroughly clean the area around a fuel system component that will be disconnected. Fit a suitable cover over disconnected fuel system component.
There are three different types of secondary fuel filters that can be installed. Turn the valves for the fuel lines (if equipped) to the OFF position before performing this maintenance. Place a tray under the fuel filter in order to catch any fuel that might spill. Clean up any spilled fuel immediately.Type 1 Secondary Fuel Filter
Clean the outside body of the filter assembly.Remove the Element
Illustration 1 g03088718
Typical example
Install a suitable tube onto drain (4). Open the drain valve (3). Rotate the drain valve counterclockwise. Two full turns are required. Loosen vent screw (1).
Allow the fuel to drain into the container and remove the tube.
Tighten the vent screw (1) securely.
Remove the filter bowl (2). Rotate the filter assembly counterclockwise in order to remove the assembly.
Illustration 2 g02546456
Typical example
Rotate the filter element (5) counterclockwise and remove the filter element. Clean the filter bowl. Install the Element
Illustration 3 g03088837
Typical example
Locate the thread (7) in the filter element onto the threads (8). Spin on the element and tighten the drain valve (3) by hand.
Lubricate the O ring seal (6) with clean engine oil. Do NOT fill the filter bowl (2) with fuel before the filter assembly is installed.
Do not use a tool in order to install the filter assembly. Tighten the assembly by hand. Install the filter bowl (2). Turn the filter bowl clockwise until the filter bowl locks into position against the stops.
If equipped, turn the fuel supply valve to