Remove V ring
Depending on the particular version, there is a V ring. It must be replaced if unusual amounts
of grease escape from the roller bearing or the V ring is visibly damaged.
1. Mark the components so that they can be correctly assembled.
2. Remove the V ring
Removing the protective ring for degree of protection IP56 (non-heavy-sea)
The V ring for the outer bearing seal is fitted with a protective ring
IP56 (non-heavy-sea). The protective ring does not have to be removed for disassembling the
Remove the protective ring together with the V ring and the outer bearing cover or end shield
from the shaft.
Install the V ring (Page 121)
Removing the labyrinth sealing ring
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
adhesive such as Loctite 243.
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2014
with the bearing cap – or by using a suitable tool from the shaft.
is fixed with three grub screws that are separably secured with
9.2 Corrective Maintenance
for the degree of protection