TUBE 1012815 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-6683 Ring Expander 1
B 1P-1857 Retaining Ring Pliers 1
C 1P-0510 Driver Group 1 Start By:
Remove the pistons and the connecting rods. Refer to Disassembly and Assembly, "Piston and Connecting Rods - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00970499
Remove the lower connecting rod bearing from the connecting rod cap. Remove the upper connecting rod bearing from the connecting rod. Note: The forged marks (X) must be installed toward the front of the engine.
Illustration 2 g00964585
Use Tooling (A) in order to remove compression rings (1) and (2), and oil control ring (3) from piston (6).
Use Tooling (B) in order to remove retaining rings (8) that hold the piston pin in position.
Remove piston pin (7) from the piston. Note: If the piston pin cannot be removed by hand, heat the piston to a temperature of 45 5 °C (113 9 °F). Do not use a torch to heat the piston.
Use Tooling (C) and a suitable press in order to remove bushing (4) from connecting rod (5).
Repeat Steps 1 through 5 in order to disassemble the remaining pistons and connecting rods.