ABB PSTX 30***105, Service Manual

Page: 47 / 60

1SFC13105M0201 | Service Manual | Service PSTX720...840 47
5. Place bottom side bar holder
1
Place the bar holder (with phase bars mounted)
to the unit and fasten
(2x) Torx 30 M6x16
(8Nm) to the lower corners of the bar holder.
2
Fasten the phase screws,
(3x) Hexagon no.
10 M12x40 (45Nm) .
6. Fasten screw-nuts to cooling tower
1
Fasten
(2x) Hexagon no. 16 M10 Screw-
nut by hand until clamps are tightened.
2
Fasten each nut additionally by half a turn
alternately until the spring gap indicators are just
trapped, then tighten 1/4 turn.
The slope may not be more than 2 mm.
See figure below:
7. Place side- and front covers
Make sure to position side covers with dual locking
rails facing upwards prior to assembly.
1
Interlock the side covers to rails and slide
them sideways into position. Attach side covers to
support brackets mounted on cooling towers.
2
Place the front cover on the unit and interlock
to rails.
3
Thread the cables through the cable inlets
opening in the front cover.
8. Place fan cover
1
Thread the fan cables through the cable inlets.
2
Fasten the fan cover to the unit with (10x)
Torx 20 M4x8 (2,9Nm) .
Hexagon n. 10
M12x40
(45Nm)
Tx 30
M6 x 16
(8Nm)
1
2
3.7.2_5
5
Hexagon no. 16
M10
1/4
6
3.7.2_6
1
2
Max 2m
m
7
3.7.2_7
1
2
3
Tx 20
M4 x 8
(2,9 Nm)
8
3.7.2_8
1
2
3