Maintenance and service 
  11.1 Removing and installing hardware components 
SIMATIC Box PC 627 
Operating Instructions, Release 05/2006, A5E00362052-03 
11-5 
11.1.3  Removing/Installing the Power Supply 
 
 
Warning 
Only qualified personnel is authorized to exchange the power supply module. 
Preparations 
1.  Disconnect the device from mains and unplug all cables. 
2.  Open the device. 
Removing the power supply module 
 
How to remove the power supply module 
1  Remove the hard disk,  
DVD-ROM/CD-RW drive bay 
module. 
 
2  Unscrew 5 screws (1) and remove 
the power supply module cover.