WARNING
Explosion hazard
If the anti-condensation heating is switched on directly after the machine is switched o, the
temperature class or the maximum surface temperature of the machine can be exceeded.
In an explosive atmosphere, there is a risk of an explosion. This can result in death, serious
injury or material damage.
• Only switch on the anti-condensation heating after the motor has been switched o.
Comply with the data stamped on the plate of the anti-condensation heating, if available.
8.5.1 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
dierent from its previous position. Use the tted key or the coupling halves as reference
markers.
• When recommissioning, carefully comply with the information in Chapter "Commissioning
(Page95)".
8.5.2 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.
8.5.3 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 (Page95)".
Operation
8.5Stoppages
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 11/2023, A5E52779900A 111
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