12. Servicing and maintenance
Damage caused by inappropriate maintenance!
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Servicing and maintenance must be carried out exclusively by suitably qualified
personnel having been authorised by the end user or the contractor of the plant.
Therefore, we recommend contacting our service.
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Only perform servicing and maintenance tasks when the device is switched off.
AUMA
Service & Support
AUMA offers extensive service such as servicing and maintenance as well as
customer product training. For the relevant contact addresses, please refer to
<Addresses> in this document or to the Internet (www.auma.com)
12.1. Preventive measures for servicing and safe operation
The following actions are required to ensure safe device operation:
6 months after commissioning and then once a year
●
Carry out visual inspection:
Check cable entries, cable glands, blanking plugs, etc. for correct tightness and
sealing.
Consider torques according to manufacturer's details.
●
Check fastening screws between actuator and gearbox/valve for tightness. If
required, fasten screws while applying the tightening torques as indicated in
chapter <Assembly>.
●
When rarely operated: Perform test run.
For enclosure protection IP68
After submersion:
●
Check actuator.
●
In case of ingress of water, locate leaks and repair. Dry device correctly and
check for proper function.
12.2. Disconnection from the mains
If the device must be dismantled, e.g. for service purposes, it can be isolated from
the mains without having to remove the wiring at the electrical connection.
12.2.1. Disconnection from the mains with KP/KPH and KES electrical connection
Flameproof enclosure, danger of explosion!
Risk of death or serious injury.
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Before opening, ensure that there is no explosive gas and no voltage.
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Handle cover and housing parts with care.
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Joint surfaces must not be damaged or soiled in any way.
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Do not jam cover during fitting.
68
SQEx 05.2 – SQEx 14.2 / SQREx 05.2 – SQREx 14.2 Control unit: electronic (MWG)
Servicing and maintenance ACExC 01.2 Non-Intrusive Modbus TCP/IP
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