TM  10-3930-638-24&P 4-2.   ENGINE   MAINTENANCE   (cont) d. Crankshaft and Main Bearings (cont). KEY 1. Connecting rod nuts 2. Connecting rod bearing caps 3. Cap screws 4. Front main bearing cap 5.  Intermediate  mai_n bearing caps 6. Center main bearing cap ‘7. Rear main bearing cap 8. Crankshaft 9.  Crankshaft  gear 10. Key 11. Front main bearing liner 12. Intermediate main bearing  liners 13.  Center  main  bearing liner 14. Rear main bearing liner 4-26