SPROCKET 2G6378 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2 Start By:
Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".
Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove".
Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01013519Note: Careful handling is required for fractured connecting rods. Fractured faces for the connecting rod and connecting rod cap should not be placed on any surface. The connecting rod and the connecting rod cap should be placed on the sides in order to prevent damage. When possible, the connecting rod and the connecting rod cap should be bolted together in order to prevent damage.Note: Place an identification mark on all connecting rod caps (2). Connecting rod caps (2) should be marked with the corresponding cylinder number.
Remove connecting rod caps (2) and connecting rod bearings (1). Note: Crankshaft main bearing caps (4) are marked with the numbers 1 through 7. Crankshaft main bearing caps (4) that are not marked should be marked with the corresponding cylinder number on the side that is toward the right side of the engine.
Remove crankshaft main bearing caps (4) and the lower half of crankshaft main bearings (5).
Remove crankshaft thrust bearings (3).
Attach Tooling (A) and a suitable lifting device to crankshaft (6). The weight of crankshaft (6) is approximately 129 kg (285 lb).
Remove crankshaft (6) and the upper half of the crankshaft main bearings.