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Start-up
7.2 Switching on
• If it runs perfectly, connect a load. Check that it runs smoothly.
Read off and document the values for voltage, current, and power.
Where possible, read off corresponding values for the driven machine and document them
as well.
• Monitor the bearing temperature, winding temperature, etc. until the system reaches a
steady state.
Document these, provided this is possible with existing measuring instruments.
NOTICE
Destruction of the machine
The machine can be destroyed if the vibration values are not strictly complied with.
• In operation, maintain vibration values in accordance with DIN ISO 10816‑3.
• Start the machine without a load; to do this, close the motor starter protector and do not
switch the machine off prematurely.
• You should limit how often you switch the machine off while it is starting up and still running
at a slow speed, for checking the direction of rotation or the required dimensions, for
example.
• Allow machines to reach a standstill before switching them back on.
7.2.1
Test run
After installation or inspection, carry out a test run:
1. Start the machine without a load. To do this, close the circuit breaker and do not switch off
prematurely. Check whether it is running smoothly.
Switching the machine off again while it is starting and still running at slow speed should only
be done to the extent necessary, for example for checking the direction of rotation or for
checking in general.
Allow the machine to run down before switching it on again.
2. If the machine is running smoothly and evenly, switch on the cooling equipment. Continue
to observe the machine for a while in no-load operation.
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1MB..5/6 shaft height 71 ... 355
Operating Instructions, 11/2023, A5E52779956A
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