3056E Industrial Engine Caterpillar

Disassembly Procedure

Start By:

1. Remove the pistons and the connecting rods. Refer to Disassembly and Assembly, "Piston and Connecting Rods - Remove".

1. Remove the connecting rod bearing from the connecting rod.
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   Illustration 1	g00964649

2. Use Tooling (A) in order to remove compression rings (1) and (2), and oil control ring (3) from piston (6).

3. Use Tooling (B) in order to remove retaining rings (8) that hold the piston pin in position.

4. 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.

5. Use Tooling (C) and a suitable press in order to remove bushing (4) from connecting rod (5).

6. Repeat Steps 1 through 5 in order to disassemble the remaining pistons and connecting rods.