Maintenance and service
11.1 Removing and installing hardware components
SIMATIC Rack PC 847B
80
Operating Instructions, 06/2008, A5E02203168-01
Replacing drive fans
How to remove the drive fan
1.
Remove the four screws (1) and
swivel the fan rack (2) out of the
enclosure
2.
Disconnect the fan cable
3.
Remove the two screws (1) of
the fan (2)
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.