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Maintenance
9.2 Corrective Maintenance
3. Prepare the bearing seats:
– Lightly oil the inner ring seat.
– Grease the outer ring seat with a solid lubricant such as Altemp Q NB 50.
– Press the inner bearing cover onto the shaft.
4. Warm up the rolling bearing.
5. Push the inner ring of the warmed up rolling bearing onto the shaft. Avoid any blows that
might damage the bearing.
6. Make sure that the rolling bearing is resting against the shaft shoulder or the second
bearing.
7. Fill the bearing to the top with the specified lubricating grease as stamped on the lubricant
plate.
8. Warm up the grease slinger and push it onto the shaft.
9. Depending on the particular version, fix the bearing with a locking ring or shaft nut.
10. Support the rotor when installing the bearing housing or bearing end shield.
11. Use a suitable sealant when assembling.
12. Assemble the bearing shield or bearing housing together with the bearing shield.
13. Install the outer bearing cover if one is being used.
14. Install the sealing elements:
Rotor can fall out
If the motor is in a vertical position, the rotor can fall out while work is being performed on
the locating bearing. This can result in death, serious injury or damage.
• Support or unload the rotor when carrying out work with the machine in a vertical
Explosion hazard due to overheating of the rolling bearings
If the rolling bearings are not regularly regreased, local overheating may be possible, and,
as a consequence, an explosion in an explosive atmosphere. This can result in death,
serious injury, or material damage.
• Regrease the rolling bearings regularly according to the lubrication plate.
• Implement bearing temperature monitoring if not yet in existence.
122
WARNING
position.
WARNING
Operating Instructions, 03/2018, A5E41926185A
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