21. Maintenance After commissioning, check multi-turn actuator for damage to paint finish.
Do a thorough touch-up to prevent corrosion. Original paint in small
quantities can be supplied by AUMA.
AUMA multi-turn actuators require very little maintenance.
Precondition for reliable service is correct commissioning.
Seals made of elastomers are subject to aging and must therefore regularly
be checked and, if necessary, exchanged.
It is also very important that the O-rings at the covers are placed correctly
and cable glands fastened firmly to prevent ingress of dirt or water.
We recommend additionally:
.
If operated seldom, perform a test run about every 6 months. This ensures
that the actuator is always ready to operate.
.
Approximately six months after commissioning and then every year check
bolts between actuator and valve/gearbox for tightness. If required, tighten
applying the torques given in table 3, page 8.
.
For multi-turn actuators with output drive type A: at intervals of approx. 6
months from commissioning press in Lithium soap EP multi-purpose
grease on mineral oil base at the grease nipple with grease gun (quantity
see table 4, page 9).
22. Lubrication
.
The gear housing is filled with lubricant in the factory.
.
A grease change is recommended after the following operation time:
.
If operated seldom after 10 – 12 years
.
If operated frequently after 6 – 8 years
Lubrication of the valve stem must be done separately.
23. Disposal and recycling
AUMA actuators have an extremely long lifetime. However, there will come a
time when you have to replace them.
Our actuators have a modular design and may therefore easily be
disassembled, separated and sorted according to materials, i.e.:
.
electronic scrap
.
various metals
.
plastics
.
greases and oils
The following generally applies:
.
Collect greases and oils during disassembly. As a rule, these substances
are hazardous to water and must not be released into the environment.
.
See disassembled material to a sound disposal or to separate recycling
according to materials.
.
Observe the national regulations for waste disposal.
24. Service AUMA offers extensive services such as maintenance and inspection for
actuators. Addresses of AUMA offices and representatives can be found on
page 36 and on the Internet (www.auma.com).
27
Multi-turn actuators SA 07.1 – SA 16.1
Operation instructions with actuator controls AMB 01.1/AMB 02.1
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