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Lubricating before recommissioning
NOTICE
Dry running bearings
Bearings can be damaged if they do not have sufficient grease.
• Re-grease the bearings if they have been out of service for more than one year. The shaft
Chapter Rolling bearings (Page 100).
8.6.1
Avoidance of damage to rolling bearings during stoppages
Extended stoppages at the identical or almost identical resting position of the rotor in the rolling
bearings can result in damage, such as brinelling or corrosion.
• During stoppages, regularly start up the machine for a brief period once a month. As a
minimum, turn the rotor several times.
If you have uncoupled the machine from the driven machine and secured the rotor with a
rotor shipping brace, then remove this before turning the rotor over or starting up the
machine.
Make sure that the resting position of the rotor after the rotor has been turned over is
different from its previous position. Use the fitted key or the coupling halves as reference
markers.
• When recommissioning, carefully comply with the information in Chapter "Commissioning".
8.6.2
Decommissioning the machine
• Record the decommissioning steps. This log will be useful upon recommissioning.
• If the machine is going to be out of service for longer than six months, then take the
necessary measures for preservation and storage. Otherwise, the machine could be
damaged as a result of not being operated.
8.6.3
Re-commissioning the machine
When you re-commission the machine, proceed as follows:
• Study the record made when the machine was decommissioned, and reverse the measures
that were taken for conservation and storage.
• Perform the measures listed in Chapter "Commissioning".
1FU9
Operating Instructions, 07/2020, A5E46712792A
must rotate so that the grease can be distributed in the bearings. Observe the data on the
lubricant plate.
Operation
8.6 Stoppages
85
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