MacDon M155 Operators Manual - Manual (Page 269)

MAINTENANCE AND SERVICING
Table 5.6 Metric Class 8.8 Bolts and Class 9 Distorted
Thread Nut
Torque (ft·lbf)
(*in·lbf)
Torque (N·m) Nominal
Size
Min. Max. Min. Max.
3-0.5 *9 *10 1 1.1
3.5-0.6 *14 *15 1.5 1.7
4-0.7 *20 *22 2.3 2.5
5-0.8 *40 *45 4.5 5
6-1.0 *69 *76 7.7 8.6
8-1.25 *167 *185 18.8 20.8
10-1.5 28 30 37 41
12-1.75 48 53 65 72
14-2.0 77 85 104 115
16-2.0 119 132 161 178
20-2.5 233 257 314 347
24-3.0 402 444 543 600
Table 5.7 Metric Class 10.9 Bolts and Class 10 Free
Spinning Nut
Torque (ft·lbf)
(*in·lbf)
Torque (N·m) Nominal
Size
Min. Max. Min. Max.
3-0.5 *18 *19 1.8 2
3.5-0.6 *27 *30 2.8 3.1
4-0.7 *41 *45 4.2 4.6
5-0.8 *82 *91 8.4 9.3
6-1.0 *140 *154 14.3 15.8
8-1.25 28 31 38 42
10-1.5 56 62 75 83
12-1.75 97 108 132 145
14-2.0 156 172 210 232
16-2.0 242 267 326 360
20-2.5 472 521 637 704
24-3.0 815 901 1101 1217
169883
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Revision A