PULLEY 9S5447 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
When the connecting rod caps are installed, ensure that the identification marks are aligned.
Illustration 1 g01047932
Check the clearance between the connecting rod bearing and the connecting rod bearing journal of the crankshaft. Install the connecting rod bearings dry when the clearance checks are made. Refer to Disassembly and Assembly, "Bearing Clearance - Check" for information on bearing clearance checks.
Clean the bearing surface of connecting rod (1) and connecting rod cap (4). Ensure that the number on connecting rod cap (4) matches the number on connecting rod (1) .
Clean upper connecting rod bearing (3) and lubricate the bearing face with clean engine oil.
Clean lower connecting rod bearing (3) and lubricate the bearing face with clean engine oil.Note: Align the tabs on the back of the connecting rod bearings with the tab grooves in connecting rod (1) .
Install upper connecting rod bearing (3) to connecting rod (1) .
Pull connecting rod (1) into position against the crankshaft.
Install lower connecting rod bearing (3) in connecting rod cap (4) .
Install connecting rod cap (4) in position on connecting rod (1) and install connecting rod nuts (5) to connecting rod bolts (2). Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Install" for the correct torque of connecting rod nuts (5) .Note: Ensure that identification mark (X) on the connecting rod matches the identification mark on the connecting rod cap. The identification marks must face the right side of the engine for correct installation.
Repeat Steps 2 through 8 for the installation of the remaining connecting rod bearings.End By:
Install the oil supply tube assembly. Refer to Disassembly and Assembly, "Engine Oil Pump - Install".
Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".