Mounting Torque Arms On Bevel Gearboxes And Helical Worm Gearboxes - Siemens SIMOGEAR BA 2030 Translation Of The Original Operating Instructions

4.9.6.3

Mounting torque arms on bevel gearboxes and helical worm gearboxes

NOTICE
Impermissible loading caused by incorrect mounting
The torque arm bush must be supported by bearings on both sides.
After assembly, the sleeve must have some axial play.
Figure 4-12
The torque arm can be fitted in various positions, depending on the hole circle pitch.
Figure 4-13
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- 12
Thread size
Tightening torque in Nm
BA 2030
Operating Instructions, 02/2021, A5E37880173A/RS-AM
Mounting suggestion for torque arm on foot and flange
Toggle lever design
Tightening torque for screws of strength class 8.8
M8
25
4.9 Installing and removing the shaft-mounted gearbox
M10 M12 M16
50 90 210
Installation
M20 M24 M36
450 750 2 600
55