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:
Cable entries, cable glands, screw plugs, 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 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 94: 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 38:
Grease quantities for bearing of output drive type A
A 40.2
A 35.2
A 30.2
A 25.2
Output drive type
60
50
40
30
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.
85
SAEx 25.1 – SAEx 40.1 / SAREx 25.1 – SAREx 30.1
ACExC 01.2
Servicing and maintenance
