C6.6 Engines for Caterpillar Built Machines Flywheel Housing - Remove and Install - Standard Housing Caterpillar


Flywheel Housing - Remove and Install - Standard Housing
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1.1. Removal Procedure
2.1. Installation Procedure (Standard Housing)

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
Guide Stud
(M10 by 100 mm) 

Start By:

  1. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g01374648
    Typical example

  1. Remove bolts (3) from position (X) from flywheel housing (1).

  2. Install Tooling (A) into position (X) on flywheel housing (1).

  3. Install a suitable lifting device to the flywheel housing in order to support the flywheel housing. The flywheel housing can weigh 32 kg (70.5 lb).


    Illustration 2g01337563
    Typical example

  4. Remove bolts (2) and remaining bolts (3) from flywheel housing (1).

  5. Use the lifting device in order to remove flywheel housing (1) from the cylinder block.


    Illustration 3g01337565
    Typical example

  6. If the engine has an aluminum oil pan, remove dust seal (5).

  7. If necessary, remove dowels (4) from the cylinder block.

Installation Procedure (Standard Housing)

Table 2
Required Tools 
Tool  Part Number  Part Description  Qty 
Guide Stud
(M10 by 100 mm) 
1U-8846  Gasket Sealant 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Ensure that the flywheel housing is clean and free from damage. If necessary, replace the flywheel housing.


    Illustration 4g01337569
    Engine with an aluminum oil pan


    Illustration 5g01337572
    Engine with a cast iron oil pan

  2. Inspect crankshaft rear seal (8) for leaks. If there are any oil leaks, replace the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove" and refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".

  3. Clean the rear face of the cylinder block. If necessary, install dowels (4) to the cylinder block.

  4. Install Tooling (A) to the cylinder block.

  5. If the engine has an aluminum oil pan, install dust seal (5).

    If the engine has a cast iron oil pan, apply a bead of Tooling (B) to position (X).



    Illustration 6g01337563
    Typical example

  6. Install a suitable lifting device to the flywheel housing. The flywheel housing can weigh 32 kg (70.5 lb).

  7. Use the lifting device to align flywheel housing (1) with Tooling (A). Install the flywheel housing to the cylinder block.

  8. Install bolts (2) and bolts (3).

  9. Remove Tooling (A). Install remaining bolts (3).

  10. Tighten bolts (3) to a torque of 63 N·m (46 lb ft).

  11. Tighten bolts (2) to a torque of 78 N·m (57.5 lb ft).

  12. Check the alignment of flywheel housing (1) with the crankshaft. Refer to System Operation, Testing and Adjusting, "Flywheel Housing - Inspect".

End By:

  1. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install".

Information System:

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