Maintenance and service
12.4 Removing and installing hardware components
SIMATIC Panel PC 677B
Operating Instructions, 05/2007, A5E01035609-01
137
Installing the processor
Note
When you insert the processor, make sure the markings on the processor and on the socket
match up.
Notice
The processor may overheat when the system is in operation! Apply the heat-conductive
paste very evenly, as a thin film!
How to install the processor
1 Insert the processor.
2 Close the processor latch.
3 Apply the heat-conductive paste on the processor.
4 Secure the processor heat sink with the four screws.
To do so, insert the screws diagonally and tighten them evenly, working diagonally in order to
avoid tilting of the fan unit..
Tighten the screws down to the mechanical stop.
Required tools
You need a Torx 10 screw driver for removing the processor.
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