COVER 1U3517 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00551183
Type A connecting rod.
Illustration 2 g00551189
Type B connecting rod.Note: There are two types of connecting rods that may be used in the engine. Type A connecting rods have serrated mating faces on the connecting rod and the connecting rod cap. Type A connecting rods are held together with a through bolt and a nut. Type B connecting rods have an alignment pin in the connecting rod cap. Type B connecting rods are held together with a bolt that is threaded into the connecting rod.
Clean the bearing surface of connecting rod (7) and connecting rod cap (8) .
Clean upper connecting rod bearing (6) and lubricate the bearing face with clean engine oil.
Clean lower connecting rod bearing (5) and lubricate the bearing face with clean engine oil.Note: Align the tabs on the connecting rod bearings with the tab grooves in the connecting rod.
Install upper connecting rod bearing (6) in connecting rod (7) .
Pull the connecting rod into position against the crankshaft. The connecting rod may need to be rotated in order to prevent contact with the piston cooling jet.
Install lower connecting rod bearing (5) in connecting rod cap (8) .
Put connecting rod cap (8) in position on connecting rod (7). Ensure that the identification numbers are stamped on the same side.
If you have Type A connecting rods, install two bolts (10) and two nuts (9) that fasten the connecting rod cap to the connecting rod. Tighten the nuts for the connecting rod cap to a torque of 125 N m (92 lb ft). If you have Type B connecting rods, install two bolts (11) that fasten the connecting rod cap to the connecting rod. Tighten the bolts for the connecting rod cap to a torque of 155 N m (114 lb ft).
Repeat Steps 1 through 8 for the remaining connecting rod bearings.
Illustration 3 g00550759
Put the oil line in position on the engine oil pump and install bolts (4). Install bolt (3) that holds the oil strainer in position.
Put the engine oil relief valve in position on the engine and install two bolts (1) and bolt (2) .End By: Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".