3412C Engine Caterpillar


Pistons and Connecting Rods - Disassemble

Usage:

SPS342 2LZ

Disassembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     6V-6192     Pliers     1    
B     7M-3978     Ring Expander     1    

Start By:

  1. Remove the Pistons and Connecting Rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.





    Illustration 1g00786693

    Note: Do not mismatch components among the piston and rod assemblies.

  1. Remove bearings (3) from the connecting rod and the connecting rod cap.

  1. Use Tool (A) to remove retaining ring (1) .

  1. Remove pin (2) and connecting rod (4) from the piston.



    Illustration 2g00507525

  1. Use Tool (B) to remove piston rings (5) from the piston.

  1. Separate piston crown (7) from piston skirt (8) .

Note: Piston pin bearing (6) is pushed out of connecting rod (4) during installation of the new bearing. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Assemble".

Caterpillar Information System:

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