MR VACUTAP - Page 53

6 Fault elimination
Maschinenfabrik Reinhausen GmbH 2020 535788897/03 EN VACUTAP
®
VVS
®
5. Push the selector switch insert toward the adjustment marking on the on-
load tap-changer head until the upper contact fingers [1] are above the
neutral point ring [2]. Hold the selector switch insert in this position.
Figure37: Adjustment marking on the selector switch insert
6. Press oil suction pipe down.
Figure38: Pressing the oil suction pipe down
ð The tapers in the bottom bearing are used to push the selector switch
insert toward the switching segment until the remaining contact fingers
are also above the neutral point ring (clicking noise).