Removing The Hollow Shaft With Parallel Key - Siemens BA 2030 SERIES Operating Instructions Manual

Installation
4.9 Installing and removing the shaft-mounted gearbox
4.9.2.2

Removing the hollow shaft with parallel key

Inadequately secured gearbox or geared motors can free themselves
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
insert shaft is released.
NOTICE
Subjecting stress to the hollow shaft causes bearing failure
It is essential to prevent 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.
Items
①
②
③
Figure 4-5
36
WARNING
① ⑤
to are not included in the scope of supply.
Disk
Threaded block
Parallel key
Removing the hollow shaft with parallel key
④
Hexagon nut
⑤
Leadscrew
Operating Instructions, 11/2017, A5E37880173A/RS-AE
BA 2030