EXHAUST FUEL ADDITION INJECTOR INSTALLATION

PROCEDURE

1. INSTALL EXHAUST FUEL ADDITION INJECTOR ASSEMBLY

   
   

   1. Install a new No. 1 fuel injector back-up ring, No. 2 fuel injector back-up ring, O-ring and No. 3 fuel injector back-up ring to the exhaust fuel addition injector assembly.

   2. Install a new E-ring to the exhaust fuel addition injector assembly.

   3. Install a new gasket and the exhaust fuel addition injector assembly to the No. 1 injector holder.

2. INSTALL NO. 2 NOZZLE HOLDER CLAMP

   
   

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

      Torque:

      11.5 N*m  { 117 kgf*cm, 8 ft.*lbf }

3. INSTALL INJECTOR HOLDER

   
   

   1. Install the injector holder to the No. 1 injector holder with the 2 bolts.

      Torque:

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

4. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

   
   

   1. Install a new gasket and the No. 2 exhaust manifold heat insulator to the No. 1 injector holder with the 3 nuts.

      Torque:

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

5. INSTALL NO. 1 INJECTOR HOLDER

   
   

   1. Install the No. 1 injector holder to the exhaust manifold with 3 new nuts.

      Torque:

      43 N*m  { 438 kgf*cm, 32 ft.*lbf }

   2. Connect the connector to the exhaust fuel addition injector assembly.

6. CONNECT NO. 5 WATER BY-PASS HOSE

   
   

   1. Connect the No. 5 water by-pass hose to the No. 1 injector holder, and slide the clamp to secure the hose.

7. CONNECT NO. 4 WATER BY-PASS HOSE

   
   

   1. Connect the No. 4 water by-pass hose to the No. 1 injector holder, and slide the clamp to secure the hose.

8. INSTALL NO. 1 FUEL PIPE

   
   

   1. Connect the No. 1 fuel pipe to the No. 4 fuel pipe.

   2. Install a new gasket and the No. 1 fuel pipe to the cylinder head cover sub-assembly and exhaust fuel addition injector assembly with the union bolt and bolt.

      Torque:

      for bolt

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

      for union bolt

      26 N*m  { 265 kgf*cm, 19 ft.*lbf }

9. BLEED AIR FROM FUEL SYSTEM

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10. ADD ENGINE COOLANT

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11. INSPECT FOR COOLANT LEAK

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12. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

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