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
3
Summary of Contents for PSTX 1050
Page 1: ...Softstarter type PSTX720 840 Service manual Service manual en rev B 1SFC132115M0201 ...
Page 4: ......
Page 6: ......
Page 16: ...16 Description Service Manual 1SFC13105M0201 2 ...
Page 54: ...54 Service PSTX720 840 Service Manual 1SFC13105M0201 3 ...
Page 57: ...1SFC13105M0201 Service Manual Circuit Diagrams 57 4 ...
Page 59: ...1SFC13105M0201 Service Manual Revisions 59 5 ...