7 Maintenance
Maschinenfabrik Reinhausen GmbH 2020
69
5788897/03 EN
VACUTAP
®
VVS
®
7.3.4 Filling the oil compartment and oil conservator with fresh
insulating fluid
NOTICE
Damage to the on-load tap-changer!
Unsuitable insulating fluids cause damage to the on-load tap-changer.
► Only use insulating fluids that meet the requirements in accordance with
IEC 60296.
► Ensure that the new insulating fluid has the same chemical, mechanical,
thermal and electrical properties. Otherwise contact Maschinenfabrik
Reinhausen GmbH's Technical Service department.
1. Fill the oil compartment of the on-load tap-changer with fresh insulating
fluid via the pipe connection S up to the level of the upper edge of the
coupling shaft.
2. Insert the new O-ring untwisted in the on-load tap-changer head cover.
3. Move the on-load tap-changer head cover over the on-load tap-changer
and align it such that the red triangular marks on the on-load tap-changer
head and on-load tap-changer head cover are in alignment and that the
position of the output shaft on the upper gear unit is aligned with the cor-
responding hollow shaft in the on-load tap-changer head.
Figure 60: Aligning on-load tap-changer head cover
Содержание VACUTAP
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