TM 10-3930-659-34 5-4. ENGINE MAIN BEARINGS, THRUST BEARING, AND CRANKSHAFT REPLACEMENT (Con’t). 4. Remove two screws (4), washers (3), and main bearing cap (2) from engine block (5). 5. Remove lower main bearing (1) from main bearing cap (2). 6. Repeat steps 3 through 5 for remaining main bearing caps (2) and thrust bearing cap. 7. Using a clean rag, remove lubricating oil (Item 40, Appendix B) from lower main bearing (1) and matching main bearing journal (10). NOTE Use of bearing clearance gage will determine wear of bearing, but will not determine condition of bearing or journal. 8. Place strip of blue bearing clearance gage across width of main bearing cap (2) approximately X in. (6.35 mm) off center. 9. Position lower main bearing (1) on matching main bearing journal (10). 5-35