GENERATOR
GL6000A-AU-B, GL6000D-AU-B,GL9000A-AU-B, GL9000D-AU-B, WSM
2-S11
[2] 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.
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.
9Y1211607GRS0012US0
Indication on
top of bolt
No-grade or 4T
7T
Indication on
top of nut
No-grade or 4T
Unit
N·m
kgf·m
lbf·ft
N·m
kgf·m
lbf·ft
M4
0.98 to 2.9
0.10 to 0.30
0.73 to 2.1
–
–
–
M5
2.0 to 3.9
0.20 to 0.40
1.5 to 2.8
–
–
–
M6
7.9 to 9.3
0.80 to 0.95
5.8 to 6.8
9.81 to 11.2
1.00 to 1.15
7.24 to 8.31
M8
18 to 20
1.8 to 2.1
13 to 15
24 to 27
2.4 to 2.8
18 to 20
M10
40 to 45
4.0 to 4.6
29 to 33
48 to 55
4.9 to 5.7
36 to 41
M12
63 to 72
6.4 to 7.4
47 to 53
78 to 90
7.9 to 9.2
58 to 66
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, 2016 A