TM-9-2815-210-34-2-2 Page 107

TM-9-2815-210-34-2-2 LDS-465-1/LDS-465-2 Multifuel Engine Maintenance Manual Part 2

Page 107 of 968

TM 9-2815-210-34-2-2 1. 2. 3. NOTE All seven lower main bearing halves (1) have an aline- ment tab (2) at center as shown. Main bearing halves (1) and main bearing caps (3) are called by numbers one to seven counting from front to rear of crankcase (4). Number four main bearing half and main bearing cap are called main thrust bearing half and main thrust bearing cap. Lower main thrust bearing half (1) has a flange (5) on each side. Main thrust bearing cap (3) is wider than other main thrust bearing caps. Spread a thin coat of Prussian blue on surface of lower main thrust bearing half (1) which rests against main thrust bearing cap (3). Hold main thrust bearing half (1) on main thrust bearing cap (3). Alinement tab (2) must fit in notch (6) in main thrust bearing cap. Put a light coat of engine lubricating oil on edges (7) of main thrust bearing cap (3). GO TO FRAME 65 4-88