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TM 9--2815--247--34
0064 00--21
ENGINE CRANKSHAFT REPAIR -- CONTINUED
0064 00
Installation -- Continued
CAUTION
All studs which exceed the stretch limits at less than 58
lb--ft (78.6 NSm) must be replaced. Refer to WP 0012 00.
All studs that exceed the stretch limits above 58 lb--ft
(78.6 NSm) must be loosened and re--subjected to step
25.
Re--torquing any single stud is not allowed. The adjacent
stud must also be loosened and re--torqued in sequence.
NOTE
Stud stretch is defined as the difference between the orig-
inal height recorded in step 24 above, and the height ob-
served after nuts have been torqued.
26. Place dial indicator (42) on one of four studs (45) and measure stud stretch.
27. With dial indicator (42) still on stud (45) apply sufficient torque to slotted nut (6) to align slot with drilled hole in
stud and to obtain a stud stretch of 0.019 to 0.022 inches (0.4826 -- 0.5588 mm). Do not exceed 0.024 inches
(0.6096 mm) stud stretch.
28. Repeat steps 26 and 27 for the remaining three studs (45) and slotted nuts (6) on main bearing cap No. 4.
Figure 2
6
42
45
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