TUBE 3L9740 - Caterpillar

Start By:a. remove piston cooling jets If possible, removal of the oil pan will make crankshaft main bearing removal and installation easier. See the topic, Remove Oil Pan. The oil pan was removed for photo purposes. The crankshaft main bearings can be removed without removing the oil pan.1. Drain the oil from the oil pan. 2. Use tool (A) to turn the engine and move counterweights (1) in position for removal. Remove counterweights (1) from the crankshaft through the side of the cylinder block.3. Use tool (A) to turn the engine and move the connecting rod bearing surface (journal) to the top center position. 4. Use tool (B) and loosen the four bolts that hold