BRACKET AS 3967640 - Caterpillar

Do not fill fuel filters with fuel before installing them. Contaminated fuel will cause accelerated wear to fuel system parts.
Illustration 1 g01112026
Open the engine access door on the left side of the machine.
Open the drain valve on the bottom of the water separator bowl. Allow the water and the fuel to drain into a suitable container.
Remove the water separator element from the mounting base.
Remove the water separator bowl from the filter element. Clean the water separator bowl and the O-ring groove. Note: The water separator bowl is reusable. Do not discard the water separator bowl.
Inspect the O-ring seal on the water separator bowl. Replace the O-ring seal, if necessary.
Lubricate the O-ring seal with clean diesel fuel or with engine oil. Place the O-ring seal in the water separator bowl.
Install the water separator bowl onto the new filter element by hand. Do not use tools to tighten the water separator bowl to the filter element.
Install the water separator element.
Close the drain valve on the bottom of the water separator bowl. Note: The water separator bowl is under suction during normal engine operation. Tighten the drain valve securely in order to prevent air leakage into the fuel system.
Prime the fuel system. Reference: Refer to Operation and Maintenance Manual, "Fuel System - Prime" for the correct procedure.
Close the engine access door.