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9.2.4
Roller-contact bearings
9.2.4.1
Removing roller bearing
Preparation
● Remove any grease feeders, shock pulse measurement equipment and possibly mounted
● Ensure that the DE shaft extension is freely accessible. Remove the coupling.
Procedure
1. Remove the components of the bearing mounting.
2. Pull off the roller bearing together with the grease slinger.
9.2.4.2
Remove V ring
Depending on the particular version, there is a V ring. The V ring must be replaced if unusual
amounts of grease escape the roller bearing or the V ring is visibly damaged.
SIMOTICS FD 1LN1
Operating Instructions 01/2019
instrumentation at the DE and NDE.
Note
For a schematic diagram of the respective component layout, see the chapter "Spare parts
(Page 149)".
– Dismount the outer bearing cover.
If present: Remove the V ring (Page 139).
Uninstall the labyrinth sealing ring (only for the option "Increased degree of protection")
(Page 140).
– 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.
Maintenance
9.2 Corrective Maintenance
139
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