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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 authorized 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-usa.com)
12.1.
Preventive measures for servicing and safe operation
The following measures are required to ensure safe device operation:
Every 6 months after commissioning and then every year
●
Carry out visual inspection:
Check cable entries, cable glands, threaded plugs, blanking plugs, etc. for
correct tightness 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 fastening torques as indicated in
chapter <Assembly>.
●
When rarely operated: Perform test run.
●
For devices with output drive A: Press in Lithium soap EP multi-purpose grease
on mineral oil base at the grease nipple with a grease gun.
Figure 52: Output drive A
[1]
Output drive 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 22:
Grease quantities for bearing of output drive type A
A 35.2
A 30.2
A 25.2
Output drive
50
40
30
Quantity [g]
1)
For grease at density r = 0.9 kg/dm³
1)
For protection type NEMA 4/6
After continuous immersion:
●
Check actuator.
●
In case of ingress of water, locate leaks and repair, dry device correctly and
check for proper function.
57
SAEx 25.1 – SAEx 35.1 / SAREx 25.1 – SAREx 30.1
NORM (without controls)
Servicing and maintenance