Siemens Simatic IPC647C Operating Instructions Manual page 106

Service and maintenance
11.1 Removing and installing hardware components
Removing the motherboard
How to remove the motherboard
1.
2.
3.
4.
5.
The motherboard is supplied as spare part with processor (soldered to the motherboard), but
without a CPU cooler, memory modules and bus board.
106
Remove the bus frame. See section
Disconnect all cables from the motherboard, noting down their positions while doing so.
Remove the CPU cooler as described in the section
Remove all mounting screws on the motherboard. The locations of the screws are shown in the
picture below.
Use 4.5-mm hex key to remove the indicated hex bolts.
I nstallation and removal of the bus frame (Page
7
R eplacing the CPU cooler (Page
7
Operating Instructions, 12/2010, A5E02669337-02
7 1).
3
1 07).
3
SIMATIC IPC647C