TM 55-2815-574-24
0043
INSPECT - Continued
13. Tighten hex head screws (55).
14. Strike caps (54) with a dead blow hammer to seat them.
15. Torque hex head screws (55) to 600 in. lbs (68 N-m) using torque wrench and socket set.
16. Torque hex head screws (55) to 110 ft lbs (149 N-m) using torque wrench.
17. Torque hex head screws (55) to 250 ft lbs (339 N-m) using torque wrench.
18. Measure each main bearing bore (56) diameter using bore gauge.
55
54
4
56
BORE GAGE
19. Diameter should be between 4.812 and 4.813 in. (122.22 and 122.25 mm). Should main bearing bore diameter
be out of tolerance, replace engine block (4).
20. Remove hex head screws (55) and five main bearing caps (54).
21. Inspect dowel holes (43) to ensure they are not oversized or damaged. Should dowel holes be oversized or
damaged, replace engine block (4).
43
4
22. Inspect all threaded holes for stripped or crossed threads, use a tap to clean out threads. If threaded holes cannot
be repaired, replace engine block (4).
0043-13
