FUEL SUPPLY PUMP REMOVAL

Note


  • After the engine has stopped, wait at least 1 minute before releasing the high pressure lines.

  • When working on the fuel circuit, protect the generator assembly against dirt contamination.

    Cover the generator assembly with suitable materials.

    Failure to comply with this procedure may result in a generator assembly malfunction.

  • A01IPPME01

    After disconnecting the pressure line, it is absolutely essential to seal the openings in the fuel supply pump assembly and the common rail assembly with SST.

    SST
    PZ4TB-04941-79

  • The position of the fuel supply pump assembly in relation to the valve gear does not affect its function. However, it must be taken into account during removal and installation.


  1. REMOVE FUEL INLET PIPE SUB-ASSEMBLY

    Click here

  2. SET NO. 1 CYLINDER TO TDC/COMPRESSION

    Note

    Set the No. 1 cylinder to TDC/compression so that the supply pump assembly can be removed Click here.

  3. REMOVE FUEL SUPPLY PUMP ASSEMBLY

    Note

    Do not remove SST A from the injection pump drive gear until all repair work has been completed.


    1. A01IS6EE01

      Disconnect the connector from the fuel quantity control valve.

    2. Loosen the 2 clamps and disconnect the fuel feed line hose and fuel return line hose from the fuel supply pump assembly.

      Text in Illustration
      *1 Fuel Feed Line Hose
      *2 Fuel Return Line Hose

    3. Remove the 2 clamps from the fuel feed line hose and fuel return line hose.

    4. A01IRM9

      Remove the sealing cap from the timing chain cover plate.

    5. Remove the O-ring from the sealing cap.

    6. A01IU9ZE01

      Using SST B, install SST A to position the fuel supply pump assembly. Then remove SST B.

      SST
      PZ4TB-04967-25

      Note

      SST A remains in the timing chain cover plate until the end of the repair work.

    7. A01IN3T

      Remove the 4 bolts and fuel supply pump assembly support.

    8. A01IU94

      Remove the 2 bolts from the fuel supply pump assembly.

    9. A01ISMQE01
      Text in Illustration
      *1 Central Bolt

      Loosen the central bolt connection between the fuel supply pump assembly and injection pump drive gear.

      Note


      • SST A remains in the timing chain cover plate.

      • The central bolt is supported on SST A until the fuel supply pump assembly is pressed out.

      • A01IPCOE01

        The central bolt remains inside SST A attached to the injection pump drive gear.

    10. Remove the fuel supply pump assembly from the cylinder block.

    11. Remove the 2 bolts and fuel quantity control valve.