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Maintenance and service
11.1 Removing and installing hardware components
11.1.2
Preventive maintenance
To maintain high system availability, we recommend the preventative exchange of those PC
components that are subject to wear. The table below indicates the intervals for this
exchange.
HDD
3 years
11.1.3
Replacing filters
Preparing for filter replacement
Note
You may only use filters of the same type. Information about original spare parts for
SIMATIC PCs is available on the Internet at http://www.siemens.com/asis
Filter meshes are available under the following order number: A5E01064980.
Replacing filters
How to replace the filter
1. Open the front panel door by
2. Remove the front cover to replace
76
Fan
3 years
approximately 45° to remove the
front panel surround
the filter
CMOS backup battery
5 years
Operating Instructions, 06/2008, A5E02203168-01
Air filter mat
Depending on the degree of
soiling
SIMATIC Rack PC 847B
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