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 TM 55-1905-223-24-1
e. Install six flat washers (1) and hexagon head capscrews (2).
f. Start capscrews (2) through the cylinder heads into the block by hand, engaging two or more threads.
g. Tighten the capscrews (2) in the sequence as shown (FIG. 2-58) to the torque values as listed in Table
h. Reinstall the following:
(1)
Intake manifold, paragraph 2-32.
(2)
Rocker lever housing assembly and cover, paragraph 2-30.
(3)
Tighten fuel and exhaust manifolds, paragraphs 3-20 and 2-33.
i. Start engine, TM 55-1905-223-10. Observe performance and check for water and oil leaks.
FIGURE 2-58. Cylinder Head Tightening Sequence.
Table 2-6. Cylinder Head Torquing Procedure
Step
Procedure
1.
Tighten to
50 ft-lb ( 65 N m)
2.
Advance to
150 ft-lb-(200 N m)
3.
Advance to
250 ft-lb (340 N m)
4.
Advance to
360 ft-lb (490 N m)
5.
Advance to
410 ft-lb (555 N m)
2-135
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