Komatsu A40034, Руководство по ремонту

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FOREWORD STANDARD TIGHTENING TORQUE
WB140PS-2N WB150PS-2N 00-13
12
STANDARD TIGHTENING TORQUE
00
STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS
00
The following charts give the standard tightening torques of bolts and nuts. Exceptions are given in DISASSEMBLY AND
ASSEMBLY.
Thread diameter of bolt Width across flats
mm mm Nm lbf ft
6 10 11.8 - 14.7 8.70 - 10.84
8 13 27 - 34 19.91 - 25.07
10 17 59 - 74 43.51 - 54.57
12 19 98 - 123 72.28 - 90.72
14 22 153 - 190 112.84 - 140.13
16 24 235 - 285 173.32 - 210.20
18 27 320 - 400 236.02 - 295.02
20 30 455 - 565 335.59 - 416.72
22 32 610 - 765 449.91 - 564.23
24 36 785 - 980 578.98 - 722.81
27 41 1150 - 1440 848.19 - 1062.09
30 46 1520 - 1910 1121.09 - 1408.74
33 50 1960 - 2450 1445.62 - 1807.02
36 55 2450 - 3040 1807.02 - 2242.19
39 60 2890 - 3630 2131.55 - 2677.35
Thread diameter of bolt Width across flats
mm mm Nm lbf ft
6 10
5.9 - 9.8 4.35 - 7.22
8 13
13.7 - 23.5 10.10 - 17.33
10 14
34.3 - 46.1 25.29 - 34.00
12 27
74.5 - 90.2 54.94 - 66.52