
9.3.6.1
Uninstalling rolling bearings
Preparation
● Remove any grease feeders, shock pulse measurement equipment and possibly mounted
instrumentation at the DE and NDE.
● Remove the coupling on the drive end or make the shaft extension freely accessible.
● At the NDE, proceed as follows:
– First, uninstall the fan cowl or external fan cowl.
– Remove the external fan.
External fan made of metal (Page 121)
External fan made of plastic (Page 123)
Note
For a schematic diagram of the respective component layout, see the chapter "Spare parts
Procedure
1. Remove the bearing mounting components.
– Remove the outer bearing cover if one is being used.
Remove V ring (Page 126).
Removing the labyrinth sealing ring (Page 126).
– Ensure that the inner bearing cover is no longer attached to the bearing housing or end
shield.
– Support the rotor for the removal of bearing housing or end shield.
– If necessary, remove the bearing housing from the end shield.
– Remove the end shield. Depending on the shaft height, rolling bearing type and design,
it is either a bearing head version or a bearing housing version.
– Remove the locking ring from the shaft.
2. Pull off the rolling bearing together with the grease slinger.
Maintenance
9.3 Corrective maintenance
1MB5 SH 400/450
Operating Instructions, 05/2019, A5E45959221A
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Содержание SIMOTICS XP 1MB5 SH400
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