CAMSHAFT AS 1170174 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Discard all used Connecting Rod fasteners.
Ensure that the bearing shells are clean and free from wear and damage. If necessary, replace the bearing shells.
Illustration 1 g02720402
Install upper bearing shell (6) into connecting rod (5) . Ensure that the locating tab for the upper bearing shell is correctly seated in the slot in connecting rod (5) . Note: The ends of the upper bearing shell must be centered in the connecting rod. The ends of the upper bearing shell are to be positioned equally in relation to the mating faces of the connecting rod.
Lubricate upper bearing shell (6) with clean engine oil.
Illustration 2 g02720401
Carefully pull connecting rod (5) against the crankshaft.
Clean connecting rod cap (4) . Install the lower bearing shell into connecting rod cap (4) . Ensure that the locating tab for the lower bearing shell is correctly seated in the slot in connecting rod cap (4) .
Lubricate the crankshaft and lubricate the lower bearing shell with clean engine oil.
Install connecting rod cap (4) to the connecting rod.Note: Ensure that etched Number on connecting rod cap (4) matches etched Number on the connecting rod. Ensure the correct orientation of the connecting rod cap. The locating tab for the upper bearing shell and the lower bearing shell should be on the same side.
Install new bolts (3) to the connecting rod. Apply engine oil to the threads and tighten the bolts evenly to a torque of 41 to 46 N m (30 to 34 lb ft).
Illustration 3 g02720399
Position engine oil screen (1) and install the O-ring seal and bolt (2) .
Repeat Step 2 through Step 8 for the remaining connecting rod bearings.Note: If all connecting rod bearings require replacement, the procedure can be carried out on two cylinders at the same time. The procedure can be carried out on the following pairs of cylinders. 1 with 4 and 2 with 3. Ensure that both pairs of the connecting rod bearings are installed before changing from one pair of cylinders to another pair of cylinders. Refer to Disassembly and Assembly, "Connecting Rod Bearings - Install" for the correct procedure.End By: Install the engine oil pan.