Siemens SIMOTICS XP 1MB5 Operating Instructions Manual page 107

Mechanical fault characteristics
X Surges from coupled machine
X X Imbalance originating from gearing
X X Resonance in the overall system (comprising machine
and foundation)
X X Changes in foundation
In addition to the cause of the fault (according to remedial measures), also eliminate any machine damage that might have
1)
occurred.
Note any changes that take place while the temperature is rising.
2)
1MB5 shaft height 400/450
Operating Instructions, 04/2023, A5E52802354A
8.4 Electrical and mechanical faults
Inspect coupled machine
Adjust/repair gearing
Reinforce foundation following consultation
Determine cause of changes; eliminate if necessary;
realign machine
Operation
105