Detroit Diesel 4000 Series, Service Manual, Page: 412 / 2706

SERIES 4000 12/16V SERVICE MANUAL
Hardness Characteristic at Connecting Rod Journals 1 to 6
To determine hardness characteristic at connecting rod journals 1 to 6, see Figure 191.
A = 11 mm (0.4330 in.) (Maximum hardened zone depth)
B = 8 mm (0.3149 in.) (Minimum hardened zone depth)
C = 9 mm (0.3543 in.) (Maximum hardened zone depth in radius area)
D = 7 mm (0.2755 in.) (Minimum hardened zone depth in radius area)
E = 21 mm (0.8267 in.)
F = 2.5 mm (0.0984 in.) (Minimum hardened zone depth in radius area)
G = 5.5 mm (0.2165 in.) (Maximum hardened zone depth in radius area)
R = from 4.9-5.1 mm (0.1929 —0.2007 in.)
Maximum peak-to-valley height at radii = 4
µ
m
Figure 191 Hardness Characteristic at Connecting Rod Journals 1 to 6
All information subject to change without notice.
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