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SQVEx 05.2
SQVEx 14.2/ SQRVEx 05.2
ACVExC 01.2 Modbus RTU
13.
Servicing and maintenance
AUMA
Service & Support
13.1.
Preventive measures for servicing and safe operation
13.2.
Disconnection from the mains
SQRVEx 14.2 Control unit: electronic (MWG)
Damage caused by inappropriate maintenance!
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.
Only perform servicing and maintenance tasks when the device is switched off.
AUMA offers extensive service such as servicing and maintenance as well as
customer product training. For the contact addresses, refer to our website
(www.auma.com).
The following actions are required to ensure safe device operation:
6 months after commissioning and then once a year
Carry out visual inspection:
Cable entries, cable glands, blanking plugs, etc. have to be checked for correct
fit and sealing. If required, tighten cable glands and blanking plugs with torque
in compliance with the manufacturer's specifications.
Check actuator for damage as well as for grease or oil leakage.
When deployed in areas where dust formation represents a potential explosion
hazard, perform visual inspection for deposit of dirt or dust on a regular basis.
Clean devices if required.
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.
At the latest every 3 years
Check functionality of motor protection. Refer to chapter <Motor protection
(thermal monitoring)>.
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.
Servicing and maintenance
83
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