12.
Servicing and maintenance
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
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: Use grease gun to press in AEROSHELL
GREASE 22 at the grease nipple.
●
Lubrication of the valve stem must be done separately.
Figure 29: Output drive type A
[1]
Output drive type A
[2]
Grease nipple
Table 12:
Grease quantities for bearing of output drive type A
A 16.2
A 14.2
A 10.2
A 07.2
Output drive type
10
5
3
1.5
Quantity [g]
1)
For grease with density r = 0.9 kg/dm³
1)
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.
Maintenance
Lubrication
●
In the factory, the gear housing is filled with grease.
37
SAI 07.2 – SAI 16.2 / SARI 07.2 – SARI 16.2
for use in nuclear power plants
Servicing and maintenance
