KIT-CHECK VALVE 3550251 - Caterpillar

Removal Procedure
Start By:
Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".
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.
Illustration 1 g01064122
Inspect the connecting rod and connecting rod cap (2) for the proper identification mark. The connecting rod and connecting rod cap (2) should have an etched number on the side that is toward the right side of the engine. The number should match the cylinder number. The bearing retainer notch should also be on the right side. Mark the connecting rod and connecting rod cap (2), if necessary.
Remove connecting rod cap bolts (1) and connecting rod cap (2). Remove the lower half of the connecting rod bearing from connecting rod cap (2) .
Illustration 2 g01064123
Push the piston and connecting rod (3) away from the crankshaft. Remove the upper half of connecting rod bearing (4) .
Remove the piston and connecting rod (3) from the cylinder block.
Repeat Steps 1 through 4 for the remaining pistons and connecting rods.