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Maintenance and service
11.1 Removing and installing hardware components
Replacing drive fans
How to remove the drive fan
1.
2.
3.
Install the fan in reverse order. Observe the direction of the arrow on the fan; the arrow points
towards the fan rack. The drive fan extracts hot air from the enclosure.
80
Remove the four screws (1) and
swivel the fan rack (2) out of the
enclosure
Disconnect the fan cable
Remove the two screws (1) of
the fan (2)
SIMATIC Rack PC 847B
Operating Instructions, 06/2008, A5E02203168-01
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