C2.2 Engines for Caterpillar Built Machines Caterpillar


Crankshaft Rear Seal - Remove and Install

Usage:

239D BL9

Removal Procedure

Start By:

  1. Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel housing- Remove and Install" for the correct procedure.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Dispose of all fluids according to local regulations and mandates.




    Illustration 1g03338351

  1. Remove bolts (3) and remove the back plate (2) from the cylinder block.

  2. Remove crankshaft rear seal (1) from the cylinder block. Discard the crankshaft oil seal.

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
4C-9612  Silicone Sealant 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 2g03338352


    Illustration 3g03338637

  1. Ensure that the gasket surface of cylinder block (5) is clean and free from damage. Inspect dowels (4). If the dowels are damaged, replace the dowels.

  2. Apply a continuous bead of Tooling (A) to the rear face of cylinder block (5) in Positions (X).

  3. Ensure that the gasket surface of the back plate (2) is clean and free from damage.

  4. Ensure that crankshaft flange (6) is clean and free from damage. Reclaiming a crankshaft flange that has a worn seal surface, or a damaged seal surface by installing a wear sleeve. Refer to Disassembly and Assembly, "Crankshaft Wear Sleeve (Rear) - Remove and Install" for the correct procedure.

  5. Apply clean engine lubricating oil to the flange of crankshaft (6) around the running surface of crankshaft rear seal.

  6. Align a new crankshaft rear seal (1) with the flange of crankshaft (6). Carefully install crankshaft rear seal (1) onto the crankshaft flange.

  7. Align the back plate (2) to dowels (4). Install the back plate (2) and install bolts (3) to cylinder block (5) hand tight.

  8. Tighten bolts (3) to a torque of 78 N·m (57 lb ft).

End By:

  1. Install the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove and Install" for the correct procedure.

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