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9. Maintenance
To clean case holes periodically. To clean contact paths and carbon
brushes of autotransformer not less than one time per month. Only experienced
personnel of service center can make cleaning. The purpose of cleaning – to
provide a good electrical contact.
In case of absence or constance of output voltage during regulation,
in case of raised noise, a smell of burning, please immediately disconnect the
device and call to the service centre.
10. Transport and storage regulations
Transportation should be made in the package of the manufacturer.
It is possible to transport by any kind of land (in the closed compartments),
river, sea, air (in closed hermetic compartments) transport without distance
and speed restriction for this kind of transport.
The devices should be stored in the manufacturer packing, with
temperature -10…+45°C, relative humidity 80 %.
There is should not be a dust, acids and alkalis vapors in the stowers.