ABB PSTX210 Service Manual - page 66
66
Service PSTX470...570
| Service Manual | 1SFC13105M0201
4.
Remove first internal phase bar
1
Loosen
(2x)
Torx 30
M6x25
and remove
the first internal phase bar. Note that one screw is
mounted on cooling tower.
5.
Remove angle brackets
1
Loosen
(4x)
Torx 30 M6x25
and remove the
two angle brackets. Note that outer screws of each
bracket are mounted to cooling towers.
6.
Remove bottom bar holder
1
Slightly untighten screw from the middle phase
Hexagon no. 8 M10x40
.
2
Loosen
(2x)
Torx 30 M6x16
and pull the bar
holder outwards from unit.
7.
Loosen screws from bypass contactor
1
Loosen
(6x)
Hexagon no. 8
M10x40
from
the phases on the bypass contactor.
2
Remove phase rails by pulling them outwards
from bypass contactor.
3
Loosen
(4x)
Hexagon no. 4 M5x100
from
the bypass contactor.
Tx 30
M6 x 25
4
4.6.1_4
1
Tx 30
M6 x 25
5
4.6.1_5
1
Tx 30
M6 x 16
Hexagon n. 8
M10x40
6
4.6.1_6
1
2
Hexagon n.8
M10x40
Hexagon n.4
M5x100
7
4.6.1_7
1
2
3
4