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
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