TM 10-3930-659-34 5-4. ENGINE MAIN BEARINGS, THRUST BEARING, AND CRANKSHAFT REPLACEMENT (Con’t). CAUTION Main and thrust bearings and bearing caps must be installed as noted durina removal.  Failure to do so may damage parts. NOTE Engine has six main bearing caps  and  one  thrust  bearing  cap.    All  bearing  caps  are  installed  the  same way.  One main bearing cap is Illustrated. 8. Position lower main bearing (1) on main bearing cap (2).  Ensure that tangs on lower main bearing fit in locking groove  of  main  bearing  cap  and  oil  holes  line  up  with  oil  passages.    Coat  parts  with  lubricating  oil  (Item  39, Appendix B). 9. Position main bearing cap (2) on engine block (5) and crankshaft (9). 10. Apply lubricating oil (Item 39, Appendix B) to threads of two screws (4). 5-44