3.6.1
Change the SCR
DISMANTLE THE SOFTSTARTER
Remove main power cables and control
cables
Disconnect the main power cables and the control
cables as described in chapter 3.3.3, step 1-3.
Remove cover and PCBA
Dismantle the front cover, all cables and the PCBA
as described in chapter 3.4.1, step 1-5.
1.
Remove PCBA bracket
3
1
Remove the PCBA bracket by lifting it upwards
from unit.
2.
Remove flexible bars
1
Loosen (3x)
phase) to disconnect the flexible bars.
3.
Remove bypass contactor
1
Loosen (4x)
contactor.
2
Loosen (3x)
bypass contactor.
3
Remove the bypass contactor (including cable)
by lifting it upwards from unit.
4.
Remove middle phase bar and current
transformer
1
Loosen (1x)
the middle phase bar. Also remove sleeve and
washer.
2
Loosen (1x)
phase bar.
3
Slide the middle phase bar outwards from
current transformer until unattached; remove phase
bar and current transformer from unit.
Service PSTX210...370 | Service Manual |
36
Torx 30 M6x25 (one screw per
Torx 25 M3x8 from the bypass
Torx 30 M6x25 from the
Hexagon no. 8 M10x60 from
Torx 25 M5x18 from the middle
1SFC13105M0201
1
2
1
3
1
3
4
3
1
3.6.1_1
Tx 30
M6 x 25
3.6.1_2
2
Tx 25
Tx 30
M5 x 18
M6 x 25
3.6.1_3
1
Hex no. 8
Tx 25
M10 x 60
M5 x 18
2
3.6.1_4