Standard Tightening Torque Table - Komatsu PC200 Shop Manual

FOREWORD

STANDARD TIGHTENING TORQUE TABLE

1. Table of tightening torques for bolts and nuts
★ Unless there are special instructions, tighten metric nuts and bolts to the torque below.
★ The following table corresponds to the bolts in Fig. 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 Fig. B.
Thread diameter of bolt
mm
6
8
10
12
★ Fig. A
PC200/220(LC)-7
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 TABLE
Tightening torque
Nm
11.8 – 14.7
27 – 34
59 – 74
98 – 123
157 – 196
245 – 309
343 – 427
490 – 608
662 – 829
824 – 1,030
1,180 – 1,470
1,520 – 1,910
1,960 – 2,450
2,450 – 3,040
2,890 – 3,630
Tightening torque
Nm
5.9 – 9.8
13.7 – 23.5
34.3 – 46.1
74.5 – 90.2
★ Fig. B
kgm
1.2 – 1.5
2.8 – 3.5
6.0 – 7.5
10.0 – 12.5
16 – 20
25 – 31.5
35 – 43.5
50 – 62
67.5 – 84.5
84 – 105
120 – 150
155 – 195
200 – 250
250 – 310
295 – 370
kgm
0.6 – 1.0
1.4 – 2.4
3.5 – 4.7
7.6 – 9.2
00-21
(14)