EXHAUST FUEL ADDITION INJECTOR (w/ DPF) INSTALLATION


  1. INSTALL EXHAUST FUEL ADDITION INJECTOR ASSEMBLY

    Note

    If there is foreign matter on the installation surface of the exhaust fuel addition injector, be sure to clean it before installation.


    1. Install a new E-ring, a new O-ring and 3 new backup rings to the exhaust fuel addition injector assembly.

      A01KHMJE06
      Text in Illustration
      *1 No. 1 Backup Ring *2 No. 2 Backup Ring
      *3 No. 3 Backup Ring *4 O-Ring
      *5 E-Ring - -
      *a CORRECT *b INCORRECT
      *c Overlapped *d Normal
      *e Stretched - -

      Note


      • Check that there is no foreign matter or damaged areas in the injector O-ring groove.

      • Check that the No. 1 and No. 2 backup rings are installed in the correct direction.

      • Make sure that the backup rings and O-ring are installed in the correct order.

      • Check that the alignment openings of the backup rings are not stretched and that the ends of the backup rings are not overlapped as shown in the illustration.

      • After installing the O-ring, check that it is not contaminated with foreign matter and is not damaged.

    2. w/ No. 1 Injector Holder:


      1. Install a new gasket and the No. 1 injector holder with the 3 bolts.

        Torque:
        29 N*m  { 296 kgf*cm, 21 ft.*lbf }

      2. Install a new injection nozzle seat and the exhaust fuel addition injector assembly.

      3. Using a T40 "TORX" socket wrench, install the No. 1 nozzle holder clamp with the screw.

        Torque:
        10 N*m  { 102 kgf*cm, 7 ft.*lbf }

      4. Temporarily install the injector holder to the No. 1 injector holder with the 2 bolts.

      5. Tighten the injector holder with the 2 bolts.

        Torque:
        21 N*m  { 214 kgf*cm, 15 ft.*lbf }

    3. w/o No. 1 Injector Holder:


      1. Install a new gasket and the exhaust fuel addition injector assembly.

      2. Using a T40 "TORX" socket wrench, install the No. 1 nozzle holder clamp with the screw.

        Torque:
        10 N*m  { 102 kgf*cm, 7 ft.*lbf }

      3. Install the injector holder with the 2 bolts.

        Torque:
        21 N*m  { 214 kgf*cm, 15 ft.*lbf }

  2. INSTALL TURBINE OUTLET ELBOW

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