C11 and C13 Engines for Caterpillar Built Machines Crankshaft Rear Seal - Install Caterpillar


Crankshaft Rear Seal - Install
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1.1. Installation Procedure

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
Loctite 7649 Primer N 
Loctite 620 Retaining Compound 
147-2675  Wear Sleeve Installer 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g01140085


    Illustration 2g03698745
    Numerical tightening sequence for bolts (2).

    Note: If required, install a crankshaft wear sleeve at engine overhaul. For more information please refer to Reuse and Salvage Guidelines, SEBF8042, "Reuse and Salvage for Crankshafts" for the correct specifications of the crankshaft and the correct inspection procedure of the crankshaft seal surface.

  1. If a crankshaft wear sleeve is necessary, refer to Step 1a through Step 1d to install the crankshaft wear sleeve. If a crankshaft wear sleeve is not necessary, refer to Step 2.

    1. Clean and polish the crankshaft of imperfections.

    2. Use Tooling (A) to clean the outside diameter of the crankshaft and the inside diameter of the crankshaft wear sleeve.

    3. Apply Tooling (B) to the outside diameter of the crankshaft and the inside diameter of the crankshaft wear sleeve.

    4. Use Tooling (C) to install the crankshaft wear sleeve.

    Note: Leave the shipping sleeve in place to install the crankshaft rear seal. The crankshaft rear seal must be installed dry.

    Note: If the seal group, O-ring seal, and the shipping sleeve are separated, these components should not be used.

  2. Lubricate the O-ring seal with clean engine oil that is on the back of the crankshaft rear seal (1).

  3. Position crankshaft rear seal (1) and the shipping sleeve over the crankshaft. Push crankshaft rear seal (1) in place to dislodge the shipping sleeve.

    Note: Do not remove the shipping sleeve until bolts (2) are installed.

  4. Install new bolts (2) hand tight. Then, tighten bolts (2) in numerical sequence, shown in Illustration 2. Tighten bolts (2) to a torque of 12 ± 3 N·m (106 ± 27 lb in).

End By:

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