10 Maintenance, inspection and care
93BA6820378-03 EN
CAUTION
Risk of burns!
Danger of bodily injuries due to heat!
► During regeneration (yellow LED lights up continuously), do not
touch the glass cylinder of the desiccant container.
10.1 Maintenance
The MTRAB dehydrating breather does not require maintenance.
10.2 Inspection
Depending on the conditions of use of the device and the national character-
istics in the respective country of use, the transformer manufacturers can
specify different inspection intervals.
► Observe the inspection intervals defined in CIGRE Publication No. 445
"Guide for Transformer Maintenance" or the inspection intervals specified
by the transformer manufacturer.
The following checks are necessary for each transformer inspection:
▪ Check the external condition of the device for contamination, damage and
corrosion.
▪ Also carefully clear contamination from the dust protection tube. Do not
used any sharp-edged or pointed tools for this.
▪ If the device is opened for inspection purposes (e.g. for repeated insula-
tion or ground testing or for reading off log data), the housing screws are
to be inspected for corrosion and, if necessary, regreased.
▪ Check the display of the LEDs.
▪ Use the test button for checking the signaling paths (see next section).
▪ In the event of questions and discrepancies, contact:
Maschinenfabrik Reinhausen GmbH
MR Service & Complaint
Falkensteinstrasse 8
93059 Regensburg
Germany
E-mail: service@reinhausen.com or complaint@reinhausen.com
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