Maintenance and Service
11.1 Removing and Installing Hardware Components
SIMATIC IPC427C
68 Operating Instructions, 04/2009, A5E02414743-01
Tools
● Torx T8 (cover and upper sheet metal cover)
● Torx T10 (hard disk mounting)
● Torx T20 (Protective earth terminal)
● Hexagon head 5mm (spacing bolts PC/104)
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.
Component Exchange interval:
Hard disk 3 years
CMOS backup battery 5 years
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