5.18 FASTENER TIGHTENING TORQUES
All machine fastener torques should be regularly checked in accordance with the table
below. In particular, those for the flywheel blades, flywheel bearings, axle assembly,
hitch, road wheels and engine mounts.
Table 6 - Torque settings
Tightening Torques for class 8.8 and 10.9 fasteners
Class 8.8 Class 10.9
Thread Size (mm) Nominal Torque
(Nm)
Max/Min Torque
(Nm)
Nominal Torque
(Nm)
Max/Min Torque
(Nm)
M6 10 9.5/10.4 14.5 14/15.3
M8 25 23.1/25.3 35 34/37.2
M10 49 46/51 72 68/75
M12 86 80/87 125 117/128
M12 x1.5 wheel nuts 95 90/100
M16 210 194/214 310
M20 410 392/431 610 558/615
M24 710 675/743 1050 961/1059
Chapter 5: Maintenance
Redwood Global Ltd - ST6P
Operator and Maintenance Manual
103 12-00-001 v4.0
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