7 Maintenance
Maschinenfabrik Reinhausen GmbH 202066 5788897/03 ENVACUTAP
®
VVS
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2. Depending on version, loosen 4 or 6 screws on coupling brackets to upper
gear unit and bevel gear.
Figure54: Loosening coupling brackets
3. Remove horizontal drive shaft. Be sure not to lose the coupling bolts.
Figure55: Removing drive shaft
7.3.3 Emptying the oil compartment and oil conservator
1. Ensure that the stop-cock between oil conservator and on-load tap-
changer is open.