COTTER PIN 3B5313 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 439-3941 Link Bracket 2
B 5P-0960 Moly Paste (3% Molybdenum Disulfide) 1 Start By:
Remove the front housing.
Remove the flywheel housing.
Remove the exhaust manifold.
Remove the rocker shaft and the pushrod.
Position the engine in the horizontally. Note: It is not necessary to remove the counterweights from the crankshaft, if the piston and connecting rod assemblies have been removed from the engine.
Illustration 1 g00914774
Place identification marks on counterweights (1). Remove counterweights (1).
Illustration 2 g00914776
Remove connecting rod bearing caps (2). Push the connecting rods away from the crankshaft. Remove the connecting rod bearings from the connecting rods and connecting rod caps (2).
Illustration 3 g00914800
Remove the center main bearing and thrust plates (3).
Illustration 4 g01058477
Attach Tooling (A) and a suitable lifting device to crankshaft (5).
Remove the remaining main bearing caps (4). Remove the lower half of crankshaft main bearings from main bearing caps (4).
Remove 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).
Remove the upper half of crankshaft main bearings from the cylinder block.
Illustration 5 g00914805
If necessary, remove bolts (6) and crankshaft gear (7) from each end of the crankshaft. Installation Procedure
Install crankshaft (5) in the reverse order of removal.
Illustration 6 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 main cap bolts in the letter sequence to a torque of 190 14 N m (140 10 lb ft).
Tighten the main cap bolts in the letter sequence an additional 180 5 degrees (1/2 turn).
Illustration 7 g01003565
Apply Tooling (B) to the connecting rod 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.
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.