C15 and C18 Generator Set Engines Crankshaft Main Bearings - Remove Caterpillar


Crankshaft Main Bearings - Remove
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1.1. Removal Procedure

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 pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Check the main bearing caps for identification of the location and check the direction of the main bearing caps in relation to the cylinder block. The main bearing caps must be installed in the original location and the original direction.



    Illustration 1g00996899

  1. Remove bolts (1) from No. 2 through No. 6 main bearing caps (2) .

    Note: Remove No. 1 and No. 7 main bearing caps (2) after No. 2 through No. 6 main bearing caps have been installed.




    Illustration 2g01020288

  1. Install Tooling (A) in the oil hole of the crankshaft. Carefully rotate the crankshaft in order to remove upper main bearing (3) from the cylinder block.

    Note: Push the upper main bearing from the opposite side of the bearing tab with Tooling (A) . If the crankshaft is turned in the wrong direction, the tab on the bearing will be pushed between the crankshaft and the bearing area of the cylinder block. This can result in damage to the cylinder block and/or the crankshaft.




    Illustration 3g01134355

  1. Remove thrust plates (4) from each side of the No. 4 main bearing.

  1. Remove the lower halves of the main bearings from the main bearing caps.

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