Minimum Oil-Level In Transformer; Installation Of The Outer Terminal - ABB GOE Series Installation And Commissioning Manual

4.10 Minimum oil-level in transformer

Procedure
1. Make sure that the transformer oil-level is
maximum 30 mm from the lower side of the
bushing flange.
End of instruction

4.11 Installation of the outer terminal

Procedure
1. Prepare the contact surface (47) and gasket
surface (87):
1. Carefully clean the contact surface and
gasket surface with a soft cloth.
2. Apply Vaseline to the contact surface.
3. Apply Mobilgrease 28 to the gasket surface.
Installation and commissioning guide
2750 515-1 EN, REV. 14, 2020-06-26
CAUTION!
A lower oil-level will reduce the
electrical insulation.
CAUTION!
Do not use a wire brush on the tin/zinc
coating (47).
55