336E Excavator and 336E MHPU Mobile Hydraulic Power Unit C9.3 Engine Supplement Crankshaft Front Seal - Remove and Install Caterpillar


Crankshaft Front Seal - Remove and Install
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336E Excavator and 336E MHPU Mobile Hydraulic Power Unit C9.3 Engine Supplement [KENR8156]
BASIC ENGINE
CRANKSHAFT GP
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit C9.3 Engine Supplement Crankshaft Front Seal - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1U-7600  Slide Hammer Puller 
1U-8145  Drill Bit 
1U-7430  Front Seal Installer 

Start By:

  1. Remove the crankshaft vibration damper and pulley.


    Illustration 1g01138207

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

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

Installation Procedure



    Illustration 2g01138218

    Note: The crankshaft seal is a dry installation.

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

    End By:

    a. Install the crankshaft vibration damper and pulley.

    b. Lightly lubricate the seal with liquid soap prior to assembly with the crankshaft pulley.

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