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TM 9-2320-364-34-4
20-210
20-64. ENGINE CYLINDER BLOCK REPAIR (CONT).
NOTE
Main bearing caps must be
installed in proper positions in
engine block, as marked during
removal. Ensure caps are firmly
seated in engine block and main
bearing shells are removed.
(5)
Position five main bearing caps (4) and ten
screws (5) in engine block (1).
(6)
Tighten screws (5) on bearing caps (4).
(7)
Strike caps (4) with soft-face hammer to
seat them.
(8)
Tighten screws (5) on bearing caps (4) to 50
lb-ft (68 N.m).
(9)
Tighten screws (5) on bearing caps (4) to
110 lb-ft (149 N.m).
(10)
Tighten screws (5) 250 to 260 lb-ft
(339 to 353 N.m).
(11)
Using bore dial gage, measure each main
bearing bore (6) diameter. If main bearing
bore (6) diameter is less than 4.812 in.
(122.225 mm) or is greater than 4.813 in.
(122.250 mm), replace engine block (1).
(12)
Remove screws (5) and five main bearing
caps (4) from engine block (1).
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