Siemens SKB60 Handbuch - Seite 14
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Notes
Safety
National safety regulations
Failure to comply with national safety regulations may result in personal injury and property
damage.
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Observe national provisions and comply with the appropriate safety regulations.
Tensioned spring return
Opening the actuator housing can release the highly tensioned return spring, which can
cause flying parts and injuries.
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Risk of injury through broken housing or cover
Dismounting the actuator with broken housing from the valve can release the highly
tensioned spring return, which can cause flying parts and injury.
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Risk of burns from hot actuator brackets
The actuator brackets on heating plants can also become hot from the contact with the hot
valve during operation. The temperature of the actuator bracket can reach 100 °C.
When servicing the actuator:
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Siemens
Smart Infrastructure
CAUTION
WARNING
Do not open the actuator housing.
WARNING
NEVER dismount actuator from valve.
Dismount valve-actuator combination (control device) as complete unit.
Disassembly only by qualified personnel.
Send the control device along with an error report to the local Siemens office for
analysis and disposal.
Mount new control device (valve and actuator) properly.
WARNING
Switch off both pump and operating voltage.
Close the main shutoff valve in the piping.
Release pressure in the pipes and allow them to cool off completely.
CM1N4564en
2023-10-17