Roller-Contact Bearings; Removing Roller Bearing - Siemens SIMOTICS FD 1LH1 Operating Instructions & Installation Instructions

Maintenance
9.2 Corrective Maintenance
Rotor can fall out
If the motor is in a vertical position, the rotor can fall out while work is being performed on the
locating bearing. This can result in death, serious injury or damage.
● Support or unload the rotor when carrying out work with the machine in a vertical position.
9.2.2

Roller-contact bearings

9.2.2.1

Removing roller bearing

Preparation
● Remove any grease feeders, shock pulse measurement equipment and possibly mounted
● Remove the coupling on the drive end or make the shaft extension freely accessible.
Procedure
1. Remove the components of the bearing mounting.
2. Pull off the roller bearing together with the grease slinger.
134
WARNING
instrumentation at the DE and NDE.
Note
For a schematic diagram of the respective component layout, see the chapter "Spare
parts (Page 141)".
– Dismount the outer bearing cover.
If present: Remove the V ring (Page 135).
Uninstall the labyrinth sealing ring (only for the option "Increased degree of
protection") (Page 135).
– Ensure that the inner bearing cover is no longer attached to the bearing housing or end
shield.
There may be springs in the inner bearing cover.
– Support the rotor for the uninstallation of bearing housing or end shield.
– If necessary, remove the bearing housing from the end shield.
– Remove the end shield. Dependent on shaft height, roller bearing type and design, it is
either a bearing head design or a bearing housing design.
– Remove the locking ring from the shaft or the set screw, depending on the version.
SIMOTICS FD 1LH1
Operating Instructions 04/2016