CORE ASSEM. 6N9851 - Caterpillar

Removal Procedure
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".
Remove the piston cooling jets. Refer to Disassembly and Assembly, "Piston Cooling Jets - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00506275
Turn the crankshaft until two pistons are at the bottom center.
Remove the carbon ridge from the top inside surface of the cylinder liner.
Remove bolts (1) and the connecting rod bearing caps. Push the connecting rods and pistons until the piston rings are out of the cylinder liners.
Illustration 2 g00506229
Remove piston (2) and the connecting rod from the cylinder liner.
Repeat Steps 1 through 4 in order to remove the remainder of the pistons and connecting rods.