S-11
SM-E2B SERIES, WSM
DIESEL ENGINE
3. TIGHTENING TORQUES
Screws, bolts and nuts must be tightened to the specified torque using a torque wrench, several screws, bolts and
nuts such as those used on the cylinder head must be tightened in proper sequence and the proper torque.
[1] TIGHTENING TORQUES FOR GENERAL USE SCREWS, BOLTS AND
NUTS
When the tightening torques are not specified, tighten the screws, bolts and nuts according to the table below.
W10371750
Screw and bolt material grades are shown by numbers punched on the screw and bolt heads. Prior to
tightening, be sure to check out the numbers as shown below.
W1012705
Grade
Nominal Unit
Diameter
Standard Screw and Bolt
Special Screw and Bolt
N·m
kgf·m
ft-lbs
N·m
kgf·m
ft-lbs
M6
7.9 to 9.3
0.80 to 0.95
5.8 to 6.9
9.8 to 11.3
1.00 to 1.15
7.23 to 8.32
M8
17.7 to 20.6
1.8 to 2.1
13.0 to 15.2
23.5 to 27.5
2.4 to 2.8
17.4 to 20.3
M10
39.2 to 45.1
4.0 to 4.6
28.9 to 33.3
48.1 to 55.9
4.9 to 5.7
35.4 to 41.2
M12
62.8 to 72.6
6.4 to 7.4
46.3 to 53.5
77.5 to 90.2
7.9 to 9.2
57.1 to 66.5
Punched number
Screw and bolt material grade
None or 4
Standard screw and bolt SS41, S20C
7
Special screw and bolt S43C, S48C (Refined)
KiSC issued 06, 2006 A
Содержание D662-E2B
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