OPERATING MANUAL DAF290 APPENDIX
ThyssenKrupp Aufzugswerke GmbH
9. Appendix
9.1 Tightening torques – tightness values
Important: During work on the machine or parts replacement, care must be
taken to ensure that the prescribed bolt tightness and tightening torques are
complied with.
Bolts / screws are to be secured against unwanted loosening during
installation using Loctite 241.
The following values apply to:
Allen screws DIN 912 ISO 4762
Hexagon screws DIN 931 / 933 ISO 4014 / 4017
The screws are to be tightened with a torque wrench!
Dimensions
Tightening torque M
A
(Nm)
Tightness 8.8 10.9 12.9
M4 2.6
M5 5.3
M6 9.0 12 15
M8 23 30 35
M10 45 60 75
M12 75 110 130
M16 190 270 320
M20 370 520 620
M24 640 900 1100
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