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 TM 55-1905-220-14-10
5-20. CYLINDER BLOCK - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECT (Cont)
bore within .001 inch total indicator reading. There must not be
over .OO1 inch difference between any two adjacent cylinder
counterbores when measured along the cylinder longitudinal
centerline of the
cylinder block.
i.
Check the main bearing bores as follows:
(1)
Check the bore diameters with the main bearing
caps in their original positions. Lubricate the
bolt threads and bolt head contact areas with a
small quantity of International Compound No. 2,
or equivalent. Then install and tighten the
bolts to 165-175 lb-ft (223.7-237.3 Nm) torque.
When making this check, do not install the main
bearing cap stabilizers. The specified bore
diameter is 4.812 inch to 4.813 inch. If the
bores do not fall within these limits, the
cylinder block must be rejected.
CAUTION
Main bearing cap bolts are especially designed for this purpose
and must not be replaced by ordinary bolts.
5-372
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