PUMP GP-PISTON 3769403 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     185-3630     Strap Wrench     1    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.Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
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.
Turn the fuel supply to the "OFF" position.
Illustration 1 g01369163
Disconnect tube assemblies (1) and (3) .
Disconnect harness assemblies (2) .
Illustration 2 g01369191
Use Tooling (A) in order to remove fuel filter (6) from fuel filter base (5).
Remove bolts (4) and remove fuel filter base (5) .