PIN AS 4174759 - Caterpillar

Removal Procedure
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.
Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool.
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.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.
Illustration 1 g01231846
Disconnect hose assemblies (1) .
Disconnect harness assembly (2) .
Remove bolts (3) .
Remove fuel priming pump and fuel filter base assembly (4) .
Remove the fuel filter. Refer to Operation and Maintenance Manual, "Fuel System Primary Filter (Water Separator) Element - Replace".Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01231846
Position fuel priming pump and fuel filter base assembly (4) .
Install bolts (3) .
Connect harness assembly (2) .
Connect hose assembly (1) .
Install the fuel filter. Refer to Operation and Maintenance Manual, "Fuel System Primary Filter (Water Separator) Element - Replace".