GEAR 7G3450 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A (1)     138-7575     Link Bracket     2    
6V-3668 12 MM Bolt     2    
5P-8245 Washer     2    
B     339-9353     High Press. Cap Kit     1    
265-2256 Wipers     1    
C     246-8191     16 MM Socket     1    
D     1P-0808     Multipurpose Grease     1    
( 1 ) Use one to remove the fuel pump from the EPG engine.Start By:
Remove the fuel transfer pump.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat 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.
Do not open the high pressure fuel system without allowing the fuel system to purge. After the engine has shut down, allow the fuel system to purge for ten minutes. This operating fuel system contains high pressure. Exposure to high pressure fuel can result in personal injury.
Note: Use Tooling (B) to cap tube assemblies, fittings, ports, and any openings on the fuel system in order to prevent contamination.
Illustration 1 g02125567
Remove tube assemblies (1) , (2) , and (7) . Remove hose assembly (4) . Disconnect harness assembly (5) .
Disconnect harness assembly (3) from fuel pump (6) .
Illustration 2 g02125652
Note: When the fuel lines are removed, use clean engine oil to lubricate the outside diameter of tube assembly (11) in area (X) . Use Tooling (C) in order to remove bolts (8) and (12) . If the procedure is not followed, contamination and fuel leaks may occur.
Remove bolt (10) , the washer, and the nut. Remove clamp assembly (9) . Remove bolts (8) and (12) . Remove tube assembly (11) and the O-ring seals. Do not remove the bolts for tube assembly (11) .
Use Tooling (A) and attach a suitable lifting device onto fuel pump (6) . The weight of fuel pump (6) is approximately 102 kg (225 lb). Remove bolts (13) . Lower fuel pump (6) to the ground.Note: The lifting device should not come into contact with the fuel shutoff valve. This will result in damage to the component.Installation Procedure
Install fuel pump (6) in the reverse order of the removal.Note: When Tooling (B) is removed be careful to prevent contamination.
Lubricate the O-ring seals with clean engine oil. Lubricate the ends of tube assembly (11) with Tooling (D) .
Install bolts (12) hand tight. Install bolts (8) hand tight. Use Tooling (C) and evenly tighten bolts (12) to a torque of 20 N m (15 lb ft). Use Tooling (C) and evenly tighten bolts (8) to a torque of 20 N m (15 lb