Endress+Hauser Smartec CLD18, Руководство по эксплуатации

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Maintenance Smartec CLD18
38 Hauser
10 Maintenance
L
WARNING
Risk of injury if medium escapes!
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Before each maintenance task, ensure that the process pipe is unpressurized, empty and
rinsed.
The electronics box does not contain any parts that the user must maintain.
• The cover on the electronics box may be opened only by Hauser Service staff.
• The electronics box may be removed only by Hauser Service staff.
10.1 Maintenance tasks
10.1.1 Cleaning the housing
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Clean the front of the housing using commercially available cleaning agents only.
The front of the housing is resistant to the following in accordance with DIN 42 115:
• Ethanol (for a short time)
• Diluted acids (max. 2% HCl)
• Diluted bases (max. 3% NaOH)
• Soap-based household cleaning agents
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When performing any work on the device, bear in mind any potential impact this may have
on the process control system or on the process itself.
NOTICE
Prohibited cleaning agents!
Damage to the housing surface or housing seal
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Never use concentrated mineral acids or alkaline solutions for cleaning.
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Never use organic cleaners such as benzyl alcohol, methanol, methylene chloride, xylene or
concentrated glycerol cleaner.
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Never use high-pressure steam for cleaning.