C12 Marine Engines Caterpillar


Crankshaft Main Bearings - Remove

Usage:

C12 C1Z

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     2P-5518     Bearing Tool     1    

Start By:

  1. Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.





    Illustration 1g01011713

  1. Remove crankshaft main bearing cap (1) .

  1. Remove the lower half of crankshaft main bearing (2) from crankshaft main bearing cap (1) .



    Illustration 2g01011722


    NOTICE

    If the crankshaft is turned in the wrong direction, the tab of the crankshaft main bearing will be pushed between the crankshaft and the cylinder block. this can cause damage to either or both the crankshaft and the cylinder block.


  1. Install Tooling (A) into the crankshaft journal.

  1. Turn the crankshaft in order to remove the upper half of crankshaft main bearing (2) .

  1. Check the condition of the crankshaft main bearings. Refer to the Guideline For Reusable Parts, SEBF8009, "Main and Connecting Rod Bearings" or refer to the Guideline For Reusable Parts, SEBV0544, "Engine Bearings and Crankshafts".

  1. Remove thrust plate (3) .
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