MR COMTAP ARS, Operating Instructions Manual

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6 Maintenance
Maschinenfabrik Reinhausen GmbH 2016 27 4434052/01 EN COMTAP® ARS
Maintenance
Safety precautions
WARNING
Danger of death and severe injury!
An energized transformer and energized COMTAP® ARS components
could cause death or serious injuries during maintenance work!
► Adherence to the following safety precautions is mandatory.
1. Switch off transformer on high and low-voltage side.
2. Lock transformer to prevent unintentional restart.
3. Make sure everything is de-energized.
4. Visibly connect all transformer terminals to ground (grounding leads,
grounding disconnectors) and short circuit them.
5. Cover or cordon off adjacent energized parts.
Maintenance
The COMTAP® ARS is basically maintenance-free. The COMTAP® ARS
has a mechanical service life of 100,000 tap-change operations. The contact
life depends on the specific application and may vary (verification by Maschi-
nenfabrik Reinhausen GmbH at the order stage). The specific contact life is
shown on the label in the TAPMOTION® ED motor-drive unit.
We strongly recommend having maintenance carried out by our Technical
Service department. If this route is taken, in addition to the correct perform-
ance of all work, certain components will be upgraded to the latest state of
technology and manufacturing status.
If maintenance is not carried out by our Technical Service department,
please ensure that the personnel who carry out the maintenance are trained
by Maschinenfabrik Reinhausen GmbH or are otherwise suitably qualified to
carry out the work. In such cases, we would ask you to forward to us a report
on the maintenance performed so we can update our maintenance files. For
inquiries about spare parts, please provide the serial number (see name
plate on COMTAP® ARS and motor-drive unit) and the number of tap-
change operations.
Re-commissioning after maintenance
Proceed as follows to re-commission the transformer after maintenance:
1.
Ensure that the COMTAP® ARS and motor-drive unit are correctly cen-
tered (see page).
2.
DANGER!
Ensure that COMTAP® ARS and motor-drive unit are in
the same operating position. Check that all safety measures are effec-
tive. Failure to do so will result in danger of death and damage to prop-
erty when commissioning the transformer.
6
6.1
6.2