HOUSING 5T7126 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 370-8376 Cap Kit 1
Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training.Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System Operation, Testing and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
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.
Turn the fuel supply to the OFF position.
Turn the battery disconnect switch to the OFF position.
Illustration 1 g02237533
Make a temporary identification mark on plastic tube assembly and hose assembly in order to show the correct position of the tube assemblies.
Slide hose clamp (2) along hose assembly (1). Disconnect hose assembly (1) from the assembly of fuel priming pump (7).
Use Tooling (A) in order to plug the hose assembly with new plug. Use Tooling (A) in order to cap all open connectors on the fuel priming pump with new caps.
Disconnect plastic tube assembly (6) from the assembly of fuel priming pump (7). Use Tooling (A) in order to plug the tube assemblies with new plugs. Use Tooling (A) in order to cap all open connectors on the fuel priming pump with new caps.
Disconnect the harness assembly from fuel priming pump connection (8).
Remove bolts (3) and bolt (4).
Remove the assembly of priming pump (7) from bracket (5).
Illustration 2 g02237534
If necessary, follow Step 10.a through Step 10.d in order to disassemble the assembly of the fuel priming pump (7).
Remove allen head screws (11) from fuel priming pump (7).
Remove fuel priming pump (7) from manifold (10).
Remove O-ring seal (12) (not shown).
If necessary, remove connection (13) from manifold (10). Remove O-ring seal (14) (not shown) from connection (13). Installation Procedure
Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training.Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System Operation, Testing and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
Ensure that the fuel priming pump is clean and free from wear and damage. If necessary, replace the fuel priming pump.
Illustration 3 g02237534
If necessary, follow Step 2.a through Step 2.c in order to assemble fuel priming pump (7).
If necessary, install a