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10 Disassembly
Maschinenfabrik Reinhausen GmbH 2020
53
1800138/08 EN
TAPMOTION
®
ED
Disassembly
The safe disassembly of the motor-drive unit is described below.
WARNING
Danger of death or severe injury!
An energized transformer and energized on-load tap-changer/de-energized
tap-changer/ARS and motor-drive unit components can cause death or seri-
ous injuries during disassembly!
► Switch off the voltage supply.
► Secure the voltage supply to prevent an unintentional restart.
► Ensure that everything is de-energized.
► Cover or cordon off adjacent energized parts.
To disassemble the motor-drive unit, proceed as follows:
1. Remove the vertical drive shaft and protective tube between bevel gear
and motor-drive unit.
Figure 21: Removing the protective tube and horizontal drive shaft
2. Connect lifting gear to fixing lugs on motor-drive unit.
3. Remove the nuts for fastening the motor-drive unit.
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