Standard Tightening Torque; Bolts And Nuts - Komatsu PC200LL-8 Shop Manual

FOREWORD
12

STANDARD TIGHTENING TORQUE

Bolts And Nuts

• Unless there are special instructions, tighten metric nuts and bolts to the torque below. (When using torque wrench)
★ The following table corresponds to the bolts in Figure A.
Thread diameter of bolt
mm
6
8
10
12
14
16
18
20
22
24
27
30
33
36
39
★ The following table corresponds to the bolts in Figure B.
Thread diameter of bolt
mm
6
8
10
12
Figure A
00-22
b
Width across flats
mm
10
13
17
19
22
24
27
30
32
36
41
46
50
55
60
Width across flats
mm
10
13
14
27
STANDARD TIGHTENING TORQUE
Tightning torque
N•m
11.8 - 14.7
27 - 34
59 - 74
98 - 123
153 - 190
235 - 285
320 - 400
455 - 565
610 - 765
785 - 980
1150 - 1440
1520 - 1910
1960 - 2450
2450 - 3040
2890 - 3630
Tightning torque
N•m
5.9 - 9.8
13.7 - 23.5
34.3 - 46.1
74.5 - 90.2
Figure B
00
00
lbf ft
8.70 - 10.84
19.91 - 25.07
43.51 - 54.57
72.28 - 90.72
112.84 - 140.13
173.32 - 210.20
236.02 - 295.02
335.59 - 416.72
449.91 - 564.23
578.98 - 722.81
848.19 - 1062.09
1121.09 - 1408.74
1445.62 - 1807.02
1807.02 - 2242.19
2131.55 - 2677.35
lbf ft
4.35 - 7.22
10.10 - 17.33
25.29 - 34.00
54.94 - 66.52
PC200/220LL-8