38 Service PSTX720...840 | Service Manual | 1SFC13105M0201
4. Remove phase screws
1
Loosen (6x) Hexagon no. 10 M12x40 from
the phases of the bypass contactor. Removing the
screws will also loosen the square nuts located
under each phase bar.
2
Loosen (4x) Hexagon no. 5 M5x100 from
the bypass contactor.
5. Remove top and bottom bar holders
1
Loosen in total (4x) Torx 30 M6x16 from the
lower corners of the bar holders.
2
Pull the bar holders (including phase bars)
outwards from unit and remove the square nuts.
6. Remove screws from cooling towers
1
Loosen (6x) Torx 25 M5x16 to disengage
the cooling towers from base plate.
7. Remove cooling towers
1
Lift off all three cooling towers from base plate.
Hexagon n.10
M12x40
Hexagon n.5
M5x100
4
3.6.1_4
1
2
Tx 30
M6 x 16
5
3.6.1_5
1
2
Tx 25
M5x16
6
3.6.1_6
1
7
3.6.1_7
1
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