TM-9-2815-210-34-2-2 LDS-465-1/LDS-465-2 Multifuel Engine Maintenance Manual Part 2
Page 100 of 968
TM 9-2815-210-34-2-2 FRAME 57 1. 2. 3. GO NOTE All seven upper main bearing halves (1 and 2) have an alinement tab (3) off center as shown. All seven lower main bearing halves (4 and 5) have alinement tab (6) in center as shown. Number four upper main bearing half (2) is called upper main thrust bearing half and was already put on. If main bearing halves (1, 2, 4, and 5) taken out of en- gine were not thrown away, they must be used in this task. Main bearing halves and main bearing saddles (7) are called by numbers one to seven counting from front to rear of crankcase (8). Used main bearing halves are marked with a number in alinement tabs (3 and 6). Spread a thin coat of Prussian blue on surface of number one upper main bearing half (1) which rests on number one main bearing saddle (7). Put number one upper main bearing half (1) on number one main bearing saddle (7). Alinement tab (3) must fit in notch (9) in number one main bearing saddle. Do steps 1 and 2 again for all other upper main bearing halves (1). TO FRAME 58 4-81