Maintenance and Service   
11.1 Removing and Installing Hardware Components 
  SIMATIC IPC427C 
70  Operating Instructions, 04/2009, A5E02414743-01 
How to remove a drive 
2  Remove the four screws holding 
the drive to the back of the 
enclosure. 
 
3  Carefully remove the drive from 
the enclosure. 
 
 
4  Take the drive out of the holder.   
 
 
Installing a drive 
Carry out the described tasks in the reverse order.