KIT-SEAL 4425875 - Caterpillar

Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. To help prevent possible injury, turn the start switch off when changing fuel filters or water separator elements. Clean up fuel spills immediately.
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.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Fuel Filter With Canister
Close the fuel supply valve.
Illustration 1 g01122129
Clean the outside of the fuel filter assembly.
Open the fuel drain (2) in the bottom of the filter assembly, if equipped. Drain the fuel into a suitable container.
Loosen the setscrew (1).
Remove the canister (3).
Illustration 2 g00917937
Assemble the following items: seals (8), seal (7), canister (9) and base (10). Place washer (5) and seal (6) on setscrew (4).
Fasten the assembly to the fuel filter base with setscrew (4). The fuel system will need to be primed after the new filter is installed. Refer to this Operation and Maintenance Manual, "Fuel System - Prime".Fuel Filter With Element
Close the fuel supply valve (1).
Illustration 3 g01122130
Clean the outside of the fuel filter assembly.
Loosen the locking ring (3).
Remove the casing for the filter (2) and the element.
Illustration 4 g01122131
Assemble the following items: seal (5), filter element (6) and casing (7).
Install the assembled items to the filter head (4).
Install the locking ring (8) to the filter head. Rotate the locking ring in order to lock the assembly. The fuel system will need to be primed after the new filter is installed. Refer to this Operation and Maintenance Manual, "Fuel System - Prime".