Daedong DSC48, Workshop Manual

Page: 52 / 290

1
-14 Apr. 2007
DSC48
1.7 TIGHTENING TORQUE
1.7.1 GENERAL USE BOLTS AND NUTS
Indication on
top of bolt
No-grade or 4T 7T 9T
Bolt material SS400, S20C S43C, S48C SCr435, SCM435
Corresponding
part's material
Ordinariness Aluminum Ordinariness Aluminum Ordinariness
Unit
Code
Nm kgf-m lb-ft Nm kgf-m lb-ft Nm kgf-m lb-ft Nm kgf-m lb-ft Nm kgf-m lb-ft
M6
(6 mm, 0.24 in.)
7.85
~
9.31
0.80
~
0.95
5.79
~
6.87
7.85
~
8.82
0.80
~
0.90
5.79
~
6.50
9.81
~
11.2
1.00
~
1.15
7.24
~
8.31
7.85
~
8.82
0.80
~
0.90
5.79
~
6.50
12.3
~
14.2
1.25
~
1.45
9.05
~
10.4
M8
(8 mm, 0.31 in.)
17.7
~
20.5
1.8
~
2.1
13.1
~
15.1
16.7
~
19.6
1.7
~
2.0
12.3
~
14.4
23.6
~
27.4
2.4
~
2.8
17.4
~
20.2
17.7
~
20.5
1.8
~
2.1
13.1
~
15.1
29.5
~
34.3
3.0
~
3.5
21.7
~
25.3
M10
(10 mm, 0.39 in.)
39.3
~
45.1
4.0
~
4.6
29.0
~
33.2
31.4
~
34.3
3.2
~
3.5
23.2
~
25.3
48.1
~
55.8
4.9
~
5.7
35.5
~
41.2
39.3
~
44.1
4.0
~
4.5
29.0
~
32.5
60.9
~
70.6
6.2
~
7.2
44.9
~
52.0
M12
(12 mm, 0.47 in.)
62.8
~
72.5
6.4
~
7.4
46.3
~
53.5
77.5
~
90.2
7.9
~
9.2
57.2
~
66.5
62.8
~
72.5
6.4
~
7.4
46.3
~
53.5
103
~
117
10.5
~
12.0
76.0
~
86.7
M14
(14 mm, 0.55 in.)
108
~
125
11.0
~
12.8
79.6
~
92.5
124
~
147
12.6
~
15.0
91.2
~
108
167
~
196
17.0
~
20.0
123
~
144
M16
(16 mm, 0.63 in.)
167
~
191
17.0
~
19.5
123
~
141
197
~
225
20.0
~
23.0
145
~
166
260
~
304
26.5
~
31.0
192
~
224
M18
(18 mm, 0.71 in.)
246
~
284
25.0
~
29.0
181
~
209
275
~
318
28.0
~
32.5
203
~
235
344
~
402
35.0
~
41.0
254
~
296
M20
(20 mm, 0.79 in.)
334
~
392
34.0
~
40.0
246
~
289
368
~
431
37.5
~
44.0
272
~
318
491
~
568
50.0
~
58.0
362
~
419
Corresponding part's material Ordinariness Aluminum
Unit
Diameter
Nm kgf-m lb-ft Nm kgf-m lb-ft
M8 (8 mm, 0.31 in.) 11.8 ~ 15.6 1.2 ~ 1.6 8.68 ~ 11.5 8.82 ~ 11.8 0.90 ~ 1.2 6.51 ~ 8.67
M10 (10 mm, 0.39 in.) 24.6 ~ 31.3 2.5 ~ 3.2 18.1 ~ 23.1 19.7 ~ 25.4 2.0 ~ 2.6 14.5 ~ 18.8
M12 (12 mm, 0.47 in.) 29.5 ~ 49.0 3.0 ~ 5.0 21.7 ~ 36.1 31.4 3.2 23.1
1.7.2 STUD BOLTS
4 7 9