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INSTRUCTION HANDBOOK
6.13 PHASE 13 – ARCHING CHAMBERS
Actions to be performed
Tools
Torx key
No. 30
Cross screwdriver
Flat screwdriver
213
By means of the torx key unscrew the 2 screws
fixing the arching chamber to the pole.
216
Manually remove the arc quenching and
the plate from the arching chamber main
structure; operation to be repeated on the
other side of the arching chamber main
structure.
215
By means of the flat screwdriver unhook the 2
appendices fixing the arc quenching and the
plate to the arching chamber main structure.
214
Manually remove the arching chamber.