558 LL GF Forest Machine Engine Supplement Caterpillar

Removal Procedure

Start By:

1. Remove the crankshaft vibration damper and pulley.

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Illustration 1	g03417118

1. Position Tooling (A) onto crankshaft front seal (2).

2. Turn Tooling (A) in a counterclockwise direction and remove crankshaft front seal (2) from front cover (1).

Installation Procedure

1. Ensure that the front cover is clean and free from damage.
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   Illustration 2	g03417120

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   Illustration 3	g03453516

2. Apply Tooling (B) to static twin dead seal (3) (not shown) to a new crankshaft front seal (2). Ensure that none of Tooling (B) contaminates the crankshaft front seal in Position (Y).

3. Correctly position a new crankshaft front seal (2) in Position (X) onto front cover (1).

4. Position Tooling (A) onto crankshaft front seal (2).

5. Use Tooling (A) to turn crankshaft front seal (2) in clockwise direction.

6. If a torque that is greater than, 50 N·m (37 lb ft) is necessary to install crankshaft front seal (2), remove crankshaft front seal (2). Inspect the crankshaft front seal and the front cover for faults or damage.

7. If necessary repeat Step 2 through Step 6 to install crankshaft front seal (2).

End By:

1. Install the crankshaft vibration damper and pulley.