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 threaded plugs, 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 devices with output drive type A: Press in Lithium soap EP multi-purpose
grease on mineral oil base at the grease nipple with a grease gun.
Figure 76: Output drive type A
[1] Output drive type A
[2] Grease nipple
●
Lubrication of the valve stem must be done separately.
Exception: For output drive type A in version with stem lubrication (option), the
stem is lubricated together with the output drive.
Table 28:
Grease quantities for bearing of output drive type A
A 16.2A 14.2A 10.2A 07.2Output drive type
10531.5Quantity [g]
1)
For grease with density r = 0.9 kg/dm³1)
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.
72
SAV 07.2 – SAV 16.2 / SARV 07.2 – SARV 16.2 Control unit: electronic (MWG)
Servicing and maintenance ACV 01.2 Modbus TCP/IP
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