GENERAL AND SPECIFICATIONS
10-14 EX20 Series
STANDARD TIGHTENING TORQUE FOR BOLTS
For unspecified bolts and nuts, use the torques specified
in this list.
Select a proper torque corresponding to the width across
flats (b) of bolts and nuts.
When replacing bolts and nuts, always use genuine
Komatsu Forklift parts the same size as the previous
ones.
Thread diameter
of bolt (mm)
(a)
Width across
flat (mm)
(b)
Tightenng torque
Nm Kgm lbft
6 10 13.2 ± 1.4 1.35 ± 0.15 9.73 ± 1.03
8 13 31.4 ± 2.9 3.2 ± 0.3 23.2 ± 2.1
10 17 65.7 ± 6.8 6.7 ± 0.7 48.5 ± 5.0
12 19 112 ± 9.8 11.5 ± 1.0 82.6 ± 7.2
14 22 177 ± 19 18.0 ± 2.0 131 ± 14
16 24 279 ± 29 28.5 ± 3 206 ± 21
18 27 383 ± 39 39 ± 3 282 ± 29
20 30 549 ± 58 56 ± 6 405 ± 43
22 32 745 ± 78 76 ± 8 549 ± 58
24 36 927 ± 98 94.5 ± 10 684 ± 72
27 41 1320 ± 140 135 ± 15 973 ± 100
30 46 1720 ± 190 175 ± 20 1270 ± 140
33 50 2210 ± 240 225 ± 25 1630 ± 180
36 55 2750 ± 290 280 ± 30 2030 ± 210
39 60 3280 ± 340 335 ± 35 2420 ± 250
STANDARD TIGHTENING TORQUE FOR BOLTS
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