C15 and C18 On-Highway Engines Fuel Pressure Regulator - Remove and Install Caterpillar


Fuel Pressure Regulator - Remove and Install
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C15 and C18 On-Highway Engines [UENR3300]
FUEL SYSTEM
REGULATOR GP-FUEL PRESSURE
C15 and C18 On-Highway Engines Fuel Pressure Regulator - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure


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.


    Illustration 1g02133773

  2. Disconnect hose assembly (3). Remove bolts (1) and remove fuel pressure regulator (2).


    Illustration 2g02133785

  3. Remove plug (6) and check valve (5) from fuel pressure regulator (2).


    Illustration 3g02133790

  4. Remove O-ring seal (7) and backup ring (8) from check valve (5).

Installation Procedure

    Note: Inspect all O-ring seals for wear and for damage. Replace the O-ring seals if the seals are damaged. Lubricate the seals with the fluid that is being sealed, prior to installation.

  1. Install fuel pressure regulator (2) in reverse order of removal.

    1. Tighten plug (6) to a torque of 35 ± 3 N·m (26 ± 1 lb ft).

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