FRAME 55

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

FRAME 55

NOTE

Seven main bearing caps (1) are line bored with crank-

c a s e (2) 0 If any main bearing cap is damaged, crankcase

and all main bearing caps must be thrown away.

Main bearing bores are called by numbers one to seven

counting from front to rear of crankcase (2).

U s i n g dial indicator, measure inside diameter of number seven bearing bore

( 3 ) . Inside diameter must be 3.9370 to 3.9380 inches.

I f inside diameter of number seven bearing bore is not 3.9370 to 3.9380 inches,

t h r o w away crankcase (2) and get a new one.

NOTE

New crankcase (2) will come with new main bearing caps (1).

I f diameter of number seven main bearing bore (3) is 3.9370 to 3.9380 inches,

t a k e out two bolts and washers (4), and take off number seven main bearing

cap (1).

GO TO FRAME 56

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