EA01018D
6 Endress+Hauser
4 Safety instructions
• Check whether the spare part matches the labeling on the measuring device as described on
the cover page.
• The spare part sets and Installation Instructions are used to replace a faulty unit with a
functioning unit of the same type.
Only use original parts from Endress+Hauser.
• Comply with national regulations governing mounting, electrical installation,
commissioning, maintenance and repair procedures.
• The following requirements must be met with regard to specialized technical staff for the
mounting, electrical installation, commissioning, maintenance and repair of the measuring
devices:
• Specialized technical staff must be trained in instrument safety.
• They must be familiar with the individual operating conditions of the devices.
• In the case of Ex-certified measuring devices, they must also be trained in explosion
protection.
• The measuring device is energized! Risk of fatal injury from electric shock. Open the
measuring device only when the device is de-energized.
• For measuring devices intended for use in hazardous locations, please observe the
guidelines in the Ex documentation (XA).
• In the case of measuring devices in safety-related applications in accordance with
IEC 61508 or IEC 61511: Commission in accordance with Operating Instructions after
repair. Document the repair procedure.
• Before removing the device: set the process to a safe state and purge the pipe of dangerous
process substances.
• Hot surfaces! Risk of injury! Before commencing work: allow the system and measuring
device to cool down to a touchable temperature.
• In the case of devices in custody transfer, the custody transfer status no longer applies once
the seal has been removed.
• The Operating Instructions for the device must be followed.
• Risk of damaging the electronic components! Ensure you have a working environment
protected from electrostatic discharge.
• After removing the electronics compartment cover: risk of electrical shock due to missing
touch protection!
Turn the measuring device off before removing internal covers.
• Modifications to the measuring device are not permitted.
• Only open the housing for a brief period. Avoid the penetration of foreign bodies, moisture
or contaminants.
• Replace defective seals only with original seals from Endress+Hauser.
• If threads are damaged or defective, the measuring device must be repaired.
• Threads (e.g. of the electronics compartment cover and connection compartment cover)
must be lubricated if an abrasion-proof dry lubricant is not available. Use acid-free, non-
hardening lubricant.
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