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SIMATIC Box PC 840 Expansions
4.6
Removal and Installation of the Power Supply Unit
1. Open the system housing as described in Section 4.1.
2. Remove the drive holder as described in Section 4.5.1.
3. Note the cable assignment and remove them from the motherboard and the
drives.
4. Undo and remove the six screws of the cover of the power supply unit from the
housing.
5. Undo the three fixing screws (TORX T10) on the mounting plate of the power
supply unit.
6. From the side, pull out the power supply unit from the housing.
7. Proceed in the reverse order to fit the new power supply unit.
Figure 4-15 Removal and Installation of the Power Supply Unit
4-20
Screws of
power supply unit cover
Power supply unit
Screws on
mounting plate
SIMATIC Box PC 840 Manual
A5E00085984-04
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