3412E, C30 and C32 Marine Engines Caterpillar

Pistons and Connecting Rods - Remove

Usage:

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	9S-9082	Engine Turning Tool	1

Start By:

Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Remove the carbon ridge from the top inside surface of the cylinder liner.
Use Tooling (A) and turn the crankshaft until two pistons are at the bottom center.
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Illustration 1 g00568813
Remove nuts (1) and the bearing caps. Push the connecting rods and pistons until the piston rings are out of the cylinder liners.
Note: Be careful not to damage the cylinder liners and/or the crankshaft journals during the removal of the pistons and the connecting rods.
Note: The connecting rods will have numbers on the side with the tab slot of the connecting rod. Numbers are also marked on the bearing caps. The piston and the connecting rod must be installed in the correctly numbered cylinder. Etch the cylinder number in the proper location on a connecting rod and bearing cap if a connecting rod and bearing cap is new.
Remove the pistons and connecting rods from the cylinder liners.