22 – 2 Repair Manual RRE140/160/180/200/250 © BT
Appendix “Service data and grease specifications”
General tightening torques
T-code Valid from serial number Date Publication No.
815, 816 6051502 2008-08-21 261828-040
22.1.2 Untreated oiled bolts
IMPORTANT
Experience has shown that if you adjust the torque wrench to the val-
ues for untreated bolts, you will also achieve the correct torque value
for galvanised bolts. Do not tighten more than the values set out in
the table otherwise the bolts may be destroyed.
Tightening torque (Nm)
Strength class:
8.8 10.9 12.9
M3 1.2 1.7 2.1
M4 2.9 4.0 4.9
M5 5.7 8.1 9.7
M6 9.8 14 17
M8 24 33 40
M10 47 65 79
M12 81 114 136
M14 128 181 217
M16 197 277 333
M20 385 541 649
M24 665 935 1120
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