ABB GSBK Series Installation And Maintenance Manual page 42

Transformer bushing
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5.
Apply Mobilgrease 28 to the M10 hex screws (6).
6.
Install the M10 hex screws (6).
7.
Tighten the M10 hex screws (6) in a crosswise
sequence.
8.
Make sure that there is a distance of 2-3 mm
between the outer terminal (5) and the pulling
ring (8).
42
NOTE!
Or use Molykote 1000 as an
alternative.
CAUTION!
Make sure that the outer terminal
moves straight down. Turn each bolt a
little, and then the next bolt, until all
bolts can be tightened to the correct
torque.
NOTE!
The current is conducted through the
center-tube conductor and the outer
terminal, thus it is important that there
is good contact between the mating
surfaces (9).
Torque
40 ±4 Nm
Installation and maintenance guide
1ZSC000563-AAB EN, REV. 6, 2019-09-12

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This manual is also suitable for:

Gsbk 170Gsbk 245Gsbk 362Gsbk 420Gsbk 550

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