TM 9-2320-363-34-2
CYLINDER BLOCK ASSEMBLY REPAIR (CONT)
NOTE
Perform step 4 before gaging main bearing bores.
4.
INSTALL MAIN BEARING CAPS IN ORIGINAL POSITIONS. LUBRICATE CAP BOLT THREADS AND
HEAD CONTACT SURFACES WITH SMALL AMOUNT OF INTERNATIONAL COMPOUND NO. 2.
INSTALL AND TIGHTEN MAIN CAP BOLTS TO 347-391 LB-FT (470-530 N.m).
NOTE
Replace engine block if not within specification.
5.
MEASURE EACH CRANKSHAFT MAIN BEARING BORE (3) IN VERTICAL AXIS WITH INSIDE
MICROMETER. DIMENSION SHOULD BE 5.235-5.237 IN. (132.994-133.031 mm). IF DIMENSION
EXCEEDS LIMITS, REPLACE CYLINDER BLOCK.
6.
CHECK CYLINDER BLOCK DECK (4) FOR FLATNESS WITH STRAIGHTEDGE (5) AND FEELER
GAGE (5).
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