ABB GSBK Series Installation And Maintenance Manual page 35

Transformer bushing
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4.
Install the bolts and washers. Tighten the bolts in
a crosswise sequence.
When installing the bushing at site, make
sure that the marking (16) on the bushing
flange lines up with the marking on the
transformer turret.
5.
Install the draw-rod nut (10):
1.
Apply a generous quantity of Molykote to the
nut (10), and the threads of the draw rod.
2.
Install the washer (11) and nut (10) on the
draw rod, tighten with your fingers.
3.
Remove excess Molykote with a rag.
6.
Tighten the draw-rod nut (10).
7.
Remove the pull-through cord (12).
Installation and maintenance guide
1ZSC000563-AAB EN, REV. 6, 2019-09-12
CAUTION!
If the nut (10) is not lubricated correctly,
it will not be tighten to the correct
torque. This can cause the bushing to
fail.
Torque
Refer to the transformer manufacturers
documentation.
Torque
10 Nm
35

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This manual is also suitable for:

Gsbk 170Gsbk 245Gsbk 362Gsbk 420Gsbk 550

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