23
8.0 M alfun ction s
8.2.3 Check of visual condition
To be performed by qualified personnel.
1. Separate the device from the energy supply.
2. Check the following structural components for visual ex-
ternal damage:
• Check housings for cracks and gaps (1)
• Check profile for cracks, gaps and broken pieces (2)
• Check push tube for scratches and indentations (3)
Fig. 16
Notify processor or actuator manufacturer in case of dam-
age. If there is no damage and the processor/manufacturer
has not communicated any concerns, reconnect the device
to the power supply.
8.3 Measures after
maintenance completed
Upon completion of the maintenance work, the following
steps have to be performed prior to restarting the device:
1. Check all screw connections for a tight fit.
2. Ensure that all used tools, materials and other equipment
have been removed from the work area.
3. Clean work area and remove potential spills such as liq-
uids and processing material.
4. Ensure that all safety measures of the system work with-
out a problem.
5. Check functions.
6. Document completion of the inspections in the service log.
8.2 Maintenance work
8.2.1 Cleaning
To be performed by operator.
NOTICE
Damage due to incorrect cleaning
Therefore:
• Do not use any aggressive cleaning agents. Water used for clean-
ing, including chemical additives, must be pH-neutral.
• Liquids must not touch the actuator during retraction or extension.
• Only use the auxiliary materials.
• No steam jets or pressure washers may be used for cleaning.
• Other cleaning agents or cleaning devices may only be utilized
with the manufacturer’s approval.
Clean line actuator:
1. Clean dirty parts with a damp cloth.
8.2.2 Check sealing function
To be performed by qualified personnel.
Device must be stopped and secured.
1. Check seal for damage
2. Check filter and plug for damage
3. Check gaskets for damage
Check for potential leakage in the actuator. If there is no
damage, you can restart the application.
Fig. 15
NOTICE
Material damage due to damaged or incorrect sealing rings
Damaged or incorrect sealing rings cannot guarantee protection
pursuant to IP54S.
Therefore:
• Ask the manufacturer to replace the damaged sealing rings im-
mediately.
2
1
3
3
2
1
1
1
3
