4. During the test run, check and document the following:
– Check whether it is running smoothly.
– Document the voltage, current and power values. As far as possible, document the
corresponding values of the driven machine.
– If this is possible using the available measuring equipment, check the bearing and stator
winding temperatures until they have reached steady-state values.
– Check mechanical operation for noise or vibration at the bearings or end shields.
5. In case of uneven running or abnormal noise, switch o the machine. As the machine runs
down, identify the cause.
– If the mechanical operation improves immediately after the machine is switched o, then
the cause is magnetic or electrical.
– If the mechanical running does not improve immediately after switching the machine
o, then the cause is mechanical.
- Imbalance of the electrical machine or the driven machine
- The machine set has not been adequately aligned
- The machine is being operated at the system resonance point. System = motor, base
frame, foundation, ...
NOTICE
Destruction of the machine
If the vibration values in operation are not maintained in accordance with ISO 10816-3,
then the machine can be mechanically destroyed.
• In operation, maintain vibration values in accordance with ISO10816‑3.
Commissioning
7.2Switching on
1LE1, 1FP1/3, 1PC1/3 shaft height 63 ... 315
84 Operating Instructions, 11/2023, A5E38483075A
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