Change The Fans - ABB PSTX 30***105 Service Manual

3.5.1

Change the Fans

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 HMI cover and PCBA
Dismantle the HMI cover, all cables and the PCBA
as described in chapter 3.4.1, step 1-5.
1. Remove fan cover
3
1
Loosen (10x)
cover.
2
Pull the fan cover outwards from unit with the
fans still mounted to fan cover.
2. Remove fans from fan cover
1
Loosen (8x)
four fans from the fan cover. Screws are placed
diagonally with two screws per fan. Dispose of
expended fans.
3. Fasten new fans to fan cover
Note that fans are to be mounted with regards to
air-flow directions.
1
Fasten (8x)
attach the four fans on the fan cover. Screws are to
be mounted diagonally with two screws per fan.
4. 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).
REASSEMBLE THE SOFTSTARTER
Place PCBA, cables and HMI cover
Place the PCBA, connect all cables and install the
HMI cover as described in chapter 3.4.1, step
6-11.
Connect main power cables and control
cables
Connect the main power cables and the control
cables as described in chapter 3.3.4, step 1-2.
Service PSTX720...840 | Service Manual |
30
Torx 20 M4x8 from the fan
Torx 20 M4x12 to separate the
Torx 20 M4x12 (1,3Nm) to
1SFC13105M0201
1
2
2
3
1
4
1
Tx 20
M4 x 8
1
3.5.1_1
Tx 20
M4 x 12
1
3.5.1_2
Tx 20
M4 x 12
(1,3Nm)
3.5.1_3
Tx 20
M4 x 8
(2,9 Nm)
2
3.5.1_4