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O
PERATING
M
ANUAL
DAB530
A
PPENDIX
9.
Appendix
9.1
Tightening Torques
DANGER
Insecure threaded connection!
Death or severe physical injury due to parts coming loose.
When working on the machine or in the case of parts replacement,
comply with the prescribed bolt tightness and tightening torques.
Only use suitable tools (torque wrench).
Non-microencapsulated bolts / screws are to be secured against
unwanted loosening during installation using detent edged washers or
Loctite 243 and a similar means of securing bolts / screws.
Microencapsulated screws are to be replaced after they have been
used once.
The tightening torques given here apply for screwed connections without
specifications at the corresponding location.
If in the drawing or elsewhere in the document other tightening torques are predefined
for the particular bolt size, these have to be observed!
The values listed below apply to screwed connections with
regular threads
(not fine threads):
Allen screws
DIN 912
ISO 4762
Hexagon head bolts
DIN 931/933
ISO 4014/4017
Tightness
8.8
10.9
12.9
Screw / bolt size
Tightening torque (Nm)
M4
2.6
-
-
M5
5.3
-
-
M6
9.0
12
15
M8
20
30
35
M10
40
60
75
M12
75
105
130
M14
120
170
205
M16
190
265
320
M20
370
520
620
M24
640
900
1080
M30
1300
1800
2150
Tab. 9-1
For assembly, use only original construction and mounting parts from ThyssenKrupp
Aufzugswerke GmbH, as otherwise no warranty can be provided.
ThyssenKrupp Aufzugswerke GmbH
61
Version 03/2017
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