FRAME 58

TM 9-2815-210-34-2-2

FRAME 58

NOTE

A l l seven lower main bearing halves (1) have an alinement

t a b (2) at center as shown.

M a i n bearing halves (1) and main bearing caps (3) are

c a l l e d by numbers one to seven counting from front to

r e a r o f c r a n k c a s e ( 4 ) . U s e d main bearing halves are

marked with a number in alinement tab (2).

N u m b e r one main bearing cap (3) has oil pump idler gear

shaft (5).

Spread a thin coat of Prussian blue on surface of number one lower main

b e a r i n g half (1) which rests against number one main bearing cap (3).

Hold number one lower main bearing half (1) on number one main bearing

c a p ( 3 ) . A l i n e m e n t tab (2) must fit in notch (6) in number one main bearing

cap.

Put a light coat of engine lubricating oil on edges (7) of number one main

bearing-cap (3).

GO TO FRAME 59

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