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Here are the methods for maintaining and
troubleshooting 3 - position pneumatic actuators:
Maintenance
Regular cleaning: Wipe the surface of the
actuator regularly to remove dust, oil stains and other dirt to prevent them
from entering the interior of the actuator and affecting its performance.
Lubrication: Lubricate the moving parts of
the actuator according to the manufacturer's instructions. Usually, a suitable
lubricating oil is injected into the oil injection port to reduce friction and
wear.
Inspection of seals: Check the seals of the
actuator regularly. If there is any sign of leakage, replace the seals in a
timely manner to ensure the normal operation of the actuator.
Air supply system check: Regularly check
the air supply system to ensure that the air pressure is stable and the air
quality is good. Filter the compressed air to remove moisture and impurities.
Troubleshooting
Actuator does not move: First, check if
there is air supply and whether the air pressure is sufficient. Then check if
the control valve is working properly and whether the actuator piston is stuck
due to dirt or wear.
Slow movement of the actuator: This may be
due to insufficient air supply, a leak in the air circuit, or excessive
friction in the moving parts. Check the air supply system and the seals, and
lubricate the moving parts.
Inaccurate positioning: Check if the
position sensor is working properly and if there is any interference in the
control signal. Also, check if the mechanical connection of the actuator is
loose.
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