● Type of repair
● Reference number of the repair technician regarding repair work
Testing after repair shall be carried out in accordance with EU directives.
WARNING
Risk of explosion when altering the ignition gap geometry
Changing ignition gap geometries (gap dimensions) as part of repair work according to the
minimum specifications of IEC / EN 60079–1 is not permissible.
This can result in death, serious injury or material damage.
● Obtain the gap dimensions of the electrical machine from the manufacturer for the repair
or restoration of ignition gap geometries.
Through careful and regular maintenance, inspections, and overhauls you can detect faults at
an early stage and resolve them. This means that you can avoid consequential damage.
Operating conditions and characteristics can vary widely. For this reason, only general
maintenance intervals can be specified here. Maintenance intervals should therefore be
scheduled to suit the local conditions (dirt, starting frequency, load, etc.).
Note
Please contact the service center (Page 111), if you require support with service, maintenance
or repair.
9.3 Inspection and maintenance
9.3.1 Safety instructions
WARNING
Rotating and live parts
Electric machines contain live and rotating parts. Fatal or serious injuries and substantial
material damage can occur if maintenance work is performed on the machine when it is not
stopped or not de-energized.
● Perform maintenance work on the machine only when it is stopped. The only operation
permissible while the machine is rotating is regreasing the rolling bearings.
● When performing maintenance work, comply with the five safety rules (Page 14).
Maintenance
9.3 Inspection and maintenance
SIMOTICS HV C 1NB1402-2AA84-4CA0-Z
86 Operating Instructions 06/2018
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