Service And Maintenance - Siemens SINUMERIK ONE PPU 1740 Series Equipment Manual

Service and maintenance

Cleaning the device
The device is designed for low-maintenance operation. Nevertheless, you must regularly clean
the device.
Note
Switch the device off for cleaning
Clean the device only when it is switched off.
Clean only the front panel surface with e.g. soft cloth moistened with water or mild cleaning
agent. Use dry cloth to clean the backside of the module.
Note
Avoid damage
Do not clean the backside of the module using a cleaning agent.
Cleaning procedure:
Spray the cleaning agent on to a cleaning cloth. Never use caustic solvents or abrasive
cleaners.
Note
Avoid damage
Do not clean the device using compressed air or steam jets because they can damage it.
Checking the device
In order to prevent foreign bodies or liquids entering the device, regularly check the device for
the following:
● Ensure that all the housing screws are in place and tight
● For damage to the housing
● For damage to the cable cover or cable entry
PPU 1740
Equipment Manual, 01/2019, A5E47615272B AA
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