DISC-FRICTION 6Y7986 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9S-9082 Engine Turning Tool 1
B 8T-3052 Degree Wheel 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Install the connecting rod bearings dry when clearance checks are performed. Refer to Disassembly and Assembly, "Bearing Clearance - Check". Apply clean engine oil on the connecting rod bearings for final assembly.
Illustration 1 g00998730
Use Tooling (A) to rotate the crankshaft until the connecting rod journal is at the bottom center.
Install a new lower half connecting rod bearing (3) in connecting rod bearing cap (2). Note: Ensure that bearing locking tab (4) is located in the notch of the connecting rod bearing cap.
Install a new upper half connecting rod bearing in the connecting rod. Note: Ensure that the bearing locking tab is located in the notch of the connecting rod.
Pull the connecting rod onto the crankshaft.
Illustration 2 g01149651
Position connecting rod bearing cap (2) on the connecting rod. Note: Ensure that the number on the side of the connecting rod bearing cap is on the same side as the number on the connecting rod. The bearing tabs of the connecting rod bearing cap and the connecting rod are located on the side opposite of the piston cooling jet.
Lubricate the threads of bolts (1) with clean engine oil. Install the bolts.
Tighten bolts (1), as follows:
Tighten Bolt (A) and Bolt (C) to a torque of 70 4 N m (52 3 lb ft).
Tighten Bolt (B) and Bolt (D) to a torque of 70 4 N m (52 3 lb ft).
Turn Bolt (B) and Bolt (D) for an additional 60 5 degrees (1/6 turn). Note: If Tooling (B) is not used, place an index mark on each bolt.
Tighten Bolt (A) and Bolt (C) again to a torque of 70 4 N m (52 3 lb ft).
Tighten Bolt (A) and Bolt (C) for an additional 60 5 degrees (1/6 turn). Note: If Tooling (B) is not used, place an index mark on each bolt.
Rotate the crankshaft in order to ensure that the crankshaft turns freely. End By:
Install the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Install".