C12.9 Marine Engines Caterpillar


Crankshaft Front Seal - Remove and Install

Usage:

C12.9 PC7

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1U-7600  Slide Hammer Puller 
1U-8145  Drill Bit 
487-3123  Installer (Front Crank Seal) 

Start By:

  1. Remove the crankshaft pulley.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g06097987

    Note: Use caution when drilling near the crankshaft.

  1. Use Tooling (B) to drill three evenly spaced holes (1) in crankshaft front seal (2).

  2. Alternate between the drilled holes and use Tooling (A) to remove crankshaft front seal (1).


    Illustration 2g06099457

  3. Remove bolts (3) and remove front cover (4). Remove O-ring seal (5) from the back of front cover (4).

Installation Procedure



    Illustration 3g06099541

    Note: The crankshaft seal is a dry installation.

  1. Use Tooling (C) to install crankshaft front seal (2).

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