O
PERATING
M
ANUAL
DAF380
A
PPENDIX
ThyssenKrupp Aufzugswerke GmbH
9. Appendix
9.1
Tightening torques – tightness values
Important:
When working on the machine or replacing parts, care must be
taken to ensure that the prescribed bolt strength and tightening torques are
complied with.
Bolts / screws are to be secured against unwanted loosening during
installation using Loctite 241.
Microencapsulated screws may only be screwed in once. After they have
been unscrewed they are to be replaced by the same version of new screws.
The following values apply for:
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
Table 9.1
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