The following components may be replaced by qualified maintenance and installation
personnel:
● AOP30 operator panel
● CompactFlash card
● Low-voltage components
9.7.3 Torques
The following table contains the default values. If the replacement of a component requires
different torques, they are specified in the associated sections.
Table 9-3 Tightening torques in Nm
Screw type Soft materials S3
1
Hard materials S2
2
Hard materials S1
3
M3 0,8 1,8 1,3
M4 1,8 3,9 3,0
M5 3,0 7,8 6,0
M6 6,0 13,0 10,0
M8 13,0 32,0 25,0
M10 25,0 65,0 50,0
M12 50,0 115,0 88,0
M16 115,0 270,0 215,0
1
Examples of soft materials are Cu, Al, CuZn cable entries, laminate materials, plastics, cast
resin post insulators, press nuts, welding nuts, blind rivet nuts, and cage nuts.
2
Hard materials S2 are materials with friction-enhancing washer components, e.g. a contact
washer.
3
Hard S1 materials include steel, for example.
Maintenance
9.7 Repair
SINAMICS SM120 6SL38715
94 Operating Instructions 07/2015
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