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TM 55-1905-219-14-11
5-79. CYLINDER BLOCK - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECT (Cont)
h. Make sure the cylinder liner counterbores in the
block are clean and free of dirt. Then check the
depth. The depth must be .4770 inch to .4795 inch
and must not vary more than .0015 inch throughout
the entire circumference. The counterbored sur-
faces must be smooth and square with the cylinder
bore within .001 inch total indicator reading.
There must not be over .001 inch difference be-
tween any two adjacent cylinder counterbores when
measured along the cylinder longitudinal center-
line 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.
5-1083
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