Figure 9-4 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.
4. Screw suitable bolts or screws into the radial threads for pulling off. Note the length of
engagement to avoid clamping to the shaft or damaging the thread.
5. Warm the labyrinth sealing ring as you pull it off.
See also
Installing the labyrinth sealing ring (Page 127)
9.2.8.4 Assembling the rolling-contact bearings
● Extreme caution and attention to cleanliness are vital to installation. Observe the correct
assembly sequence of the components.
● Attach all components with the specified tightening torques (Page 151).
Note
For further information about mounting the roller bearing, please refer to the catalog or the
information provided by the roller bearing manufacturer.
Procedure
1. Remove the required components and replace damaged components.
2. Remove any dirt from the components. Remove any grease and the remains of sealant or
liquid threadlocker.
Maintenance
9.2 Corrective Maintenance
SIMOTICS TN Series N-compact 1LA8
124 Operating Instructions 08/2017
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