Removing The Hollow Shaft With Parallel Key - Siemens SINAMICS G115D Operating Instructions Manual

5. Replace the nut
specified torque.
6. Close the open hollow shaft end using a sealing cap
You have now mounted the hollow shaft with parallel key.
Table 12-34
Thread size
Tightening torque in Nm
12.3.14.2

Removing the hollow shaft with parallel key

Inadequately fastened gearboxes or geared motors can break loose
Before driving out the machine shaft, fasten a suitably dimensioned means of absorbing load
to the gearbox.
Slightly pretension the pulling equipment so that the gearbox does not drop onto it when the
plug-in shaft is released.
NOTICE
Subjecting stress to the hollow shaft causes bearing failure
Avoid misalignment when removing the unit.
NOTICE
Excessive forces during removal
Excessive forces can occur during removal of the hollow shaft via the housing.
Stresses in the hollow shaft can lead to bearing failure and damage to the gearbox housing.
Note
If frictional corrosion has occurred on the seat surfaces, use rust solvent to facilitate the removal
of the gearbox. Allow an adequately long time for the rust solvent to take effect.
SINAMICS G115D Wall Mounted distributed drive
Operating Instructions, 07/2023, FW V4.7 SP14, A5E52808211A AA
③
and the threaded spindle
Tightening torque for the screw
M5
5
WARNING
Additional information on the SIMOGEAR geared motor
④
with a screw
⑩
.
M6 M8 M10 M12
8 8 14 24
12.3 Specific data gearbox
⑨ ⑨
. Tighten the bolts
M16 M20 M24
60 120 200
to the
M30
400
493