TM 5-4210-233-14&P-2
6-8. CYLINDER BLOCK - Continued
NOTE
Main bearing caps must be installed
in proper positions in engine block.
Bearing caps are numbered 1 thru 5
to correspond with their respective
positions in the cylinder block.
Number 1 cap is front cap. Make
sure caps are firmly seated in engine
block and main bearing shells are
removed.
(17)
Install five main bearing caps (10) and ten screws
(11). Lubricate threads and head contact surfaces with a small quantity of International
Compounds No. 2 (Item 37, Appendix E).
(18)
Tighten screws (11) up snug.
(19)
Strike caps (1 0) with soft-face hammer to seat them.
(20)
Tighten screws (11) to 50 lb-ft (68 Nm).
(21)
Tighten screws (11) to 110 lb-ft (149 Nm).
(22)
Tighten screws (11) to 230 to 240 lb-ft (312 to 325 N-m).
(23)
Use bore gauge to measure each main bearing bore (12) diameter. If main bearing bore diameter
is less than 4.812-in. (122.22 mm) or is greater than 4.813-in. (122.25 mm), replace engine block
(1).
(24)
Remove five main bearing caps (10) and screws (11).
6-53
