C3.3B Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines – Turbocharger – Remove and Install – C3.3B

Removal Procedure

Note: Refer to Specification UENR0995 "Engine Design" for non-specified engine Torque Values.




    Illustration 1g02782212

  1. Disconnect hose assembly (2) from turbocharger (1) .

  1. Remove tube assembly (3) from turbocharger (1) .

  1. Remove bolt (4) and the four lower bolts. Remove tube assemblies (5) and the gasket and the O-ring seal.



    Illustration 2g02782214

  1. Remove five bolts (7) and housing (8) and the gasket.

  1. Remove four nuts (6) and turbocharger (1) and the gasket.

Installation Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     -     Loctite C5A     1    



    Illustration 3g02782214

  1. If necessary, install new gaskets.

  1. Position the gasket and install turbocharger (1) on the exhaust manifold.

  1. Position the gasket and install housing (8) on the turbocharger (1) and install three bolts (7) to align turbocharger (1) .

  1. Apply Tooling (A) to three nuts (6) and install three nuts (6) on turbocharger (1) . Tighten three nuts (6) and remove three bolts (7) and housing (8) .

  1. Apply Tooling (A) to one nut (6) and install one nut (6) on turbocharger (1) . Tighten one nut (6) .

  1. Position the gasket and housing (8) . Apply Tooling (A) on bolts (7) and install five bolts (7) and tighten.



    Illustration 4g02782212

  1. Position tube assemblies (5) and the gasket and the O-ring seal and install four lower bolts and bolt (4) . Tighten bolt (4) to a torque of 16.0 ± 19.0 N·m (11.80 ± 14.01 lb ft).

  1. Position tube assembly (3) on turbocharger (1) and install the clamps.

  1. Connect hose assembly (2) on turbocharger (1) .

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