BODY 8J8740 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 4C-9832 Engine Rollover Stand 1
B 138-7576 Link Bracket 2 Start By:
Remove the rocker shaft assemblies and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Push Rods - Remove".
Remove the front housing. Refer to Disassembly and Assembly, "Front Drive Housing - Remove and Install".
Remove the balancer gear from the rear gear group. Refer to Disassembly and Assembly, "Gear Group (Rear) - Remove".
Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove".
Remove the piston cooling jets. Refer to Disassembly and Assembly, "Piston Cooling Jets - Remove and Install".
Failure to remove the rocker shaft assemblies and push rods can result in damaged valves when the pistons and connecting rods are pushed away from the crankshaft.To help avoid damage to the valves, remove the rocker shaft assemblies and push rods before you remove the crankshaft.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Use Tooling (A) to turn the engine to a horizontal position. The engine can be supported with Tooling (A) or with blocks. The engines have the following weights:
3508B Engines weigh approximately 4445 kg (9800 lb).
3512B Engines weigh approximately 5902 kg (13,000 lb).
3516B Engines weigh approximately 7718 kg (17,000 lb).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) from the crankshaft.
Illustration 2 g00914776Note: Ensure that the journals of the crankshaft are not scratched by the connecting rods.
Remove connecting rod caps (2) and push the connecting rods away from the crankshaft.
Illustration 3 g00914800
Remove the center main bearing cap and thrust plates (3) from each side of the center main bearing.
Illustration 4 g00930694
Attach Tooling (B) to each end of the crankshaft.
Attach a suitable lifting device to Tooling (B) (Illustration 4). For 3508B Engines, the crankshaft weighs approximately 398 kg (877 lb). For 3512B Engines, the crankshaft weighs approximately 590 kg (1300 lb). For 3516B Engines, the crankshaft weighs approximately 800 kg (1764 lb). Remove remaining main bearing caps (4). Remove crankshaft (5) from the engine.
Remove the upper halves of the main bearings.
Remove the upper halves of the connecting rod bearings.
Illustration 5 g00914805
If necessary, remove bolts (6) and crankshaft gear (7) from each end of the crankshaft.