C3.3B Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines – Crankshaft Rear Seal and Wear Sleeve – Remove – Includes Crankshaft Gear

Removal Procedure

Start By:

  1. Remove the flywheel.


Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

  1. Place the engine at top dead center.

    Illustration 1g02799897

  1. Use a screw driver to remove rear seal (1) .

    Illustration 2g02799899

  1. Check the alignment of crankshaft gear (2) and camshaft gear (3) . Remove crankshaft gear (2) and ring seal.

    Illustration 3g02799901

  1. Place crankshaft gear (2) with wear sleeve (4) in a suitable vice. Remove wear sleeve (4) with a suitable chisel.

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