Servicing And Maintenance; Preventive Measures For Servicing And Safe Operation; Maintenance - AUMA SA 07.2 Operation Instructions Manual

Servicing and maintenance

11. Servicing and maintenance
AUMA
Service & Support
11.1

Preventive measures for servicing and safe operation

11.2

Maintenance

Lubrication
58
SA 07.2 SA 16.2/SAR 07.2
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 offer 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) .
The following measures are required to ensure safe device operation:
6 months after commissioning and then every year
Carry out visual inspection:
Cable entries, cable glands, blanking plugs, etc. have to be checked for correct
tightness and sealing.
Respect 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 A: Press in Lithium soap EP multi-purpose grease
on mineral oil base at the grease nipple with a grease gun.
Lubrication of the valve stem must be done separately.
Figure 78: Output drive type A
[1] Output drive type A
[2] Grease nipple
Table 15: Grease quantities for bearing of output drive type A
Output drive A 07.2
1)
Quantity [g] 1.5
1) For grease at density r = 0.9 kg/dm³
For enclosure protection IP 68
After continuous immersion:
Check actuator.
In case of ingress of water, locate leaks and repair, dry device correctly and
check for proper function.
In the factory, the gear housing is filled with grease.
SAR 16.2 Control unit: electromechanic
A 10.2 A 14.2
2 3
AC 01.2 Intrusive
A 16.2
5