C12.9 Marine Engines Caterpillar


Fuel Injection Pump - Remove and Install

Usage:

C12.9 PC7

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
487-3140  Removal Tool 

Start By:

  1. Remove control panel.

  2. Remove crankcase breather.

------ WARNING! ------

Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death.



NOTICE

Contact with high pressure fuel may cause personal injury or death. Wait 60 seconds after the engine has stopped to allow fuel pressure to purge before any service or repair is performed on the engine fuel lines.



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.

Dispose of all fluids according to local regulations and mandates.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g06064994

  1. Remove P-clips (2) and tube assemblies (1). Remove tube assembly (3).


    Illustration 2g06065108

  2. Remove clamps (5) and tube assemblies (4). Disconnect harness assembly (6) and remove tube assembly (7).


    Illustration 3g06066163

  3. Remove flange nut (8).


    Illustration 4g06120061

  4. Install Tooling (A). Use Tooling (A) to remove fuel pump gear (9).


    Illustration 5g06066180

  5. Remove nuts (10) and nuts (12). Remove fuel injection pump (11).

Installation Procedure

  1. Install fuel injection pump (11) in the reverse order of removal.

    1. Tighten bolts (12) to a torque of 33 ± 3 N·m (292 ± 27 lb in).

    2. Tighten bolts (10) to a torque of 38 ± 4 N·m (28 ± 3 lb ft).

    3. Tighten nut (8) to a torque of 250 ± 25 N·m (184 ± 18 lb ft).

    4. Tighten tube assembly (7) to a torque of 50 ± 5 N·m (37 ± 4 lb ft).

    5. Tighten tube assemblies (4) to a torque of 42 ± 2 N·m (31 ± 1 lb ft).

    6. Tighten tube assembly (3) to a torque of 40 ± 4 N·m (30 ± 3 lb ft).

    7. Tighten P-clips (2) to a torque of 14 ± 2 N·m (124 ± 18 lb in).

    8. Tighten tube assemblies (1) to a torque of 43 ± 3 N·m (32 ± 2 lb ft).

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