7 Commissioning
Maschinenfabrik Reinhausen GmbH 2020
90
6385142/08 EN
ETOS
®
ED
7.2 Tests on motor-drive unit
WARNING
Electric shock!
Risk of death or severe injury due to electrical voltage!
► Make sure that the motor-drive unit is correctly connected as shown in
the connection diagrams provided.
► Make sure that the supply voltage is matched to the technical data of the
motor-drive unit.
► Ensure contact safety before performing the checks and tests. The trans-
mission gear cover plate must be fitted and the motor and swing frame
closed.
► Ensure that the motor-drive unit and on-load tap-changer/de-energized
tap-changer are correctly coupled and that they are in the same tap posi-
tion for each operating position.
Please contact Maschinenfabrik Reinhausen GmbH (MR) if any aspect of
the tests is not clear.
7.2.1 Checking correct electric switch-off
1. Change over motor-drive unit by moving control switch S3.
2. Check that the pointer of the tap-change indicator stops within the gray
field after completing a tap-change operation.
3. Carry out this test in both directions.