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Installation
4.9 Installing and removing the shaft-mounted gearbox
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 4-11
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- 12
Thread size
Tightening torque [Nm]
50
Mounting suggestion for torque arm on foot and flange
Toggle lever design
Tightening torque for screws of strength class 8.8
M8
25
M10
M12
M16
50
90
210
Operating Instructions, 11/2017, A5E37880173A/RS-AE
M20
M24
M36
450
750
2 600
BA 2030
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