Siemens Simatic IPC647C Operating Instructions Manual page 108

Service and maintenance
11.1 Removing and installing hardware components
Removing the CPU cooler
How to replace the CPU cooler
1. Remove the bus frame. See
2. Loosen the two screws on the heat
3. Loosen the four screws on the CPU
4. Remove the CPU cooler with heat
5. Verify that there is no residue on
108
section I nstallation and removal of
7
the bus frame (Page 7 1).
3
exchanger.
cooler.
pipes and heat exchanger from the
device.
the processor chip from the CPU
cooler's heat sink pad. If there is,
clean the processor surface and
replace the CPU cooler.
Operating Instructions, 12/2010, A5E02669337-02
SIMATIC IPC647C