C18 Marine Engines Caterpillar

Removal Procedure

Start By:

1. Remove the vibration damper and the pulley.

Note: The crankshaft front seal and the wear sleeve must be replaced at the same time. Once the crankshaft front seal and the wear sleeve are separated, these components cannot be used again.

Show/hide table

Illustration 1	g01044861

Note: Ensure that you do not damage the front housing with Tooling (B).

Note: If the wear sleeve starts to slide off the crankshaft, go to Step 2.

1. Use Tooling (B) to pry around the lip of wear sleeve (2).

2. Use a small drill in order to puncture three or more holes in crankshaft front seal (1).

3. Use Tooling (A) to remove crankshaft front seal (1).

4. If necessary, use Tooling (C) to remove wear sleeve (2).

Installation Procedure

Note: The crankshaft front seal and the wear sleeve must be replaced at the same time. Once the crankshaft front seal and the wear sleeve are separated, these components cannot be used again.

Note: Do not use any type of lubricant during the installation of the crankshaft front seal and the wear sleeve.

1. Before installation of the crankshaft front seal and the wear sleeve, inspect the crankshaft for scratches. Also, inspect the crankshaft for any distortion on the surface that may lead to an out of round condition. Use a polishing cloth in order to remove any imperfections on the crankshaft.

2. Clean the outside diameter of the crankshaft.
   Show/hide table

   Illustration 2	g01635160

3. Fasten Tooling (D) to the crankshaft with Tooling (E).

   Note: Install the crankshaft front seal with the arrow that shows the direction of crankshaft rotation toward the front of the engine.

4. Position wear sleeve (2) and crankshaft front seal (1) on Tooling (D). Install Tooling (G) on Tooling (D). Lubricate the face of the washer on Tooling (F). Install Tooling (F) on Tooling (D).

5. Tighten Tooling (F) until Tooling (G) contacts Tooling (D).

6. Remove Tooling (F) and Tooling (G) from Tooling (D).

7. Remove Tooling (E) and Tooling (D) from the crankshaft.

End By:

1. Install the vibration damper and the pulley.