Komatsu — STANDARD TIGHTENING TORQUE

STANDARD TIGHTENING TORQUE STANDARD TIGHTENING TORQUE The following charts give the standard tightening torques of bolts and nuts. Exceptions are given in section of « Disassembly and Assembly ». 1. STANDARD TIGHTENING TORQUE OF BOLTS AND NUT This torque table does not apply to bolts or nuts which have to fasten nylon or other parts non-ferrous metal washer. # Nm (newton meter):

1 Nm = 0.102 kgm 00-8 SK714-5 SK815-5 Thread diameter of bolts (mm) Pitch of bolts (mm) Width across flat (mm) kgm Nm kgm Nm 6 8 10 12 14 1 1.25 1.5 1.75 2 10 13 17 19 22 8 6 8 10 12 0.96
0.1 2.3
0.2 4.6
0.5 7.8
0.8 12.5
1 9.5
1 23
2 45
4.9 77
8 122
13 1.3
0.15 3.2
0.3 6.5
0.6 11
1 17.5
2 13.5
1.5 32.2
3.5 63
6.5 108
11 172
18 16 18 20 22 24 2 2.5 2.5 2.5 3 24 27 30 32 36 14 14 17 17 19 19.5
2 27
3 38
4 52
6 66
7 191
21 262
28 372
40 511
57 644
70 27
3 37
4 53
6 73
8 92
10 268
29 366
36 524
57 719
80 905
98 27 30 33 36 39 3 3.5 3.5 4 4 41 46 50 55 60 19 22 24 27 ---- 96
10 131
14 177
20 230
25 295
33 945
100 1287
140 1740
200 2250
250 2900
330 135
15 184
20 250
27 320
35 410
45 1329
140 1810
190 2455
270 3150
350 4050
450