C15 and C18 On-Highway Engines Fuel Transfer Pump - Remove and Install Caterpillar


Fuel Transfer Pump - Remove and Install
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C15 and C18 On-Highway Engines [UENR3300]
FUEL SYSTEM
PUMP GP-FUEL TRANSFER
C15 and C18 On-Highway Engines Fuel Transfer Pump - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
2P-8312  Retaining Ring Pliers 
8H-0663  Bearing Puller Gp 
1P-0510  Driver Gp 


NOTICE

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.


  1. Turn the fuel supply to the “OFF” position and turn the power disconnect switch to the OFF position.


    Illustration 1g02155173

  2. Disconnect tube assemblies (1) and (2).

  3. Remove bolts (4).

  4. Remove fuel transfer pump (3) and remove the O-ring seal (not shown).


    Illustration 2g02155430

  5. Remove nut (5). Remove bolts (7) and remove pump drive (6).


    Illustration 3g02155446

  6. Remove bolts (10) and retainers (11) that secure adapter (14) to bearing (12).

  7. Use Tooling (A) in order to remove retaining ring (13).

  8. Use Tooling (C) and a suitable press to remove assembled bearing (12) and gear (9) from adapter (14).

  9. Use Tooling (B) and a suitable press in order to remove bearing (8) from gear (9).

  10. Use Tooling (B) and a suitable press in order to remove bearing (12) from gear (9).

Installation Procedure

  1. Install fuel transfer pump (3) in reverse order of removal.


      Illustration 4g02155446

    1. Raise the temperature of bearing (8) and install the bearing onto gear (9).

    2. Raise the temperature of bearing (12) and install the bearing onto gear (9).

    3. Use Tooling (C) and a suitable press in order to install assembled bearing (8), bearing (12), and gear (9) into adapter (14).

    4. Remove the air from the fuel system. Refer to Testing and Adjusting, "Fuel System - Prime".

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