2 preventive maintenance – Siemens Simatic Industrial PC IPC427C User Manual

Page 68

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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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