ROD 1297784 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7576 Link Bracket 2
B 334-0519 Grease 1
C 9U-5023 Main Bearing Wrench 1
D 9S-7351 Torque Wrench 1
Illustration 1 g00914805
If necessary, install bolts (6) and crankshaft gear (7) to each end of the crankshaft.
Install the upper half of crankshaft main bearings in the cylinder block.
Illustration 2 g01058477
Attach Tooling (A) and a suitable lifting device to crankshaft (5).
Position crankshaft (5). The weight of the 3516 crankshaft with the counterweights is approximately 800 kg (1764 lb). The weight of the 3516 crankshaft without the counterweights is approximately 520 kg (1146 lb). The weight of the 3520 crankshaft with the counterweights is approximately 920 kg (2028 lb). The weight of the 3520 crankshaft without the counterweights is approximately 580 kg (1280 lb).
Install the lower half of crankshaft main bearings in main bearing caps (4). Install main bearing caps (4). Coat the threads of the bolts for the main bearing caps and coat the underside of the bolt heads with clean engine oil.
Illustration 3 g00914800
Install thrust plates (3) and the center main bearing cap.
Illustration 4 g01001689Note: Install main bearing caps with the part number and FRONT toward the front of the block. Each cap has a number. Each cap must be installed in the same position as the correct number on the side of the cylinder block pan rail.
Tighten the bolts in the letter sequence to the following torque. Use Tooling (C) and Tooling (D) and tighten the bolts to a torque of 190 14 N m (140 10 lb ft).
Tighten the bolts in the letter sequence to the following torque. Tighten the bolts for an additional 180 5 degrees (1/2 turn).
Illustration 5 g00914776
Install the connecting rod bearings in the connecting rods and connecting rod caps (2). Position connecting rod bearing caps (2).
Illustration 6 g01003565
Apply Tooling (B) to the bolts.
Tighten Bolts (A) and (B) to a torque of 90 5 N m (66 4 lb ft).
Tighten Bolts (C) and (D) to a torque of 90 5 N m (66 4 lb ft).
Tighten Bolts (C) and (D) again to a torque of 90 5 N m (66 4 lb ft).
Tighten the bolts for an additional turn of 90 5 degrees.
Illustration 7 g00914774Note: Do not reuse counterweight bolts.
Apply Tooling (B) to the counterweight bolts.
Install counterweights (1). Tighten bolts to a torque of 70 5 N m (52 4 lb ft). Turn the bolts for an additional 120 5 degrees. End By:
Install the rocker shaft and the pushrod. Refer to Disassembly and Assembly, "Rocker Shaft and Push Rod - Install".
Install the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold - Install".
Install the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Install".
Install the drive housing. Refer to Disassembly and Assembly, "Drive Housing (Front) - Remove and Install".