Siemens SIMATIC IPC647E Operating Instructions Manual page 139

6. Remove the four fixing screws that are marked in the figure below.
Single power supply (400 W): Fixing screws
7. Pull the power supply upward and out of the housing.
8. Remove the mounting bracket from the enclosure of the old power supply.
9. Mount the mounting bracket on the enclosure of the new power supply.
10.Install the new power supply.
11.Fasten the power supply with the screws shown.
12.Connect the cables to the drives and the motherboard.
13.Use cable ties to reattach the power supply cables to the enclosure.
14.Close the device.
15.Check the safe state of the device.
16.Switch on the power supply.
SIMATIC IPC647E
Operating Instructions, 09/2022, A5E52254141-AA
Device maintenance and repair
7.3 Removing and installing hardware
139