Siemens SIMOTICS FD 1LH1, Operating Instructions & Installation Instructions

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Figure 9-1 Remove the V ring
1. Mark the components so that they can be correctly assembled.
2. Remove the V ring
①
with the bearing cap – or by using a suitable tool from the shaft.
Removing the protective ring for IP56 degree of protection
The V ring for the outer bearing seal is fitted with a protective ring
②
for degree of protection
IP56. The protective ring does not have to be removed for disassembling the bearing bush.
● Remove the protective ring together with the V ring and the outer bearing cover or end shield
from the shaft.
See also
Install the V ring (Page 137)
9.2.3.3 Removing the labyrinth sealing ring
Note
For the "Increased degree of protection" option, the machine is equipped with a labyrinth
sealing ring on the drive side and the non-drive side.
Before uninstalling the roller bearing, the labyrinth sealing ring must be removed.
The labyrinth sealing ring
③
is fixed with three grub screws that are separably secured with
adhesive such as Loctite 243.
Figure 9-2 Disassembling the labyrinth sealing ring (schematic diagram)
1. Mark the components of the bearing units so that they can be assembled correctly.
2. Remove the protective coating from the shaft in front of the Iabyrinth sealing ring.
3. Unscrew the three radially arranged set screws for fixing the ring axially.
Maintenance
9.2 Corrective Maintenance
SIMOTICS FD 1LH1
Operating Instructions 01/2019
135