3044C Industrial Engine and Engines for Caterpillar Built Machines Caterpillar

Disassembly Procedure

Start By:

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

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Illustration 1	g01033491

1. Remove connecting rod bolts (5) from connecting rod (7) .

2. Remove connecting rod bearings (10) from connecting rod cap (11) and connecting rod (7) .

3. Use Tooling (A) to remove compression rings (1) and (2), and oil control ring (3) from piston (4) .

4. Use Tooling (B) to remove retaining rings (8) that hold piston pin (6) in position.

5. Remove piston pin (6) from piston (4) .

   Note: If the piston pin cannot be removed by hand, raise the temperature of the piston to 45 ± 5 °C (113 ± 9 °F). Do not use a torch to heat the piston.

6. Use Tooling (C) and a suitable press to remove piston pin bearing (9) from connecting rod (7) .

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