Siemens SIMOGEAR BA 2030 Operating Instructions Manual page 48

Installation
4.9 Installing and removing the shaft-mounted gearbox
The torque arm can be fitted in various positions, depending on the hole circle pitch.
Figure 4-12
For a toggle lever design, derive the force in the range of 90° ± 20°.
Procedure
1. Clean the contact surfaces between the housing and the torque arm.
2. Tighten the bolts to the specified torque.
You have now mounted the torque arm.
Table 4- 10
Thread size
Tightening torque [Nm]
46
Toggle lever design
Tightening torque for screws of strength class 8.8
M8
25
M10 M12 M16
50 90 210
Operating Instructions, 07/2020, A5E50009094A/RS-AL
M20 M24 M36
450 750 2600
BA 2030 (2KJ4)