简介
This guide provides step-by-step information on how to replace the Exhalation Valve Body for the Cardinal Health Vela Ventilator.
The exhalation valve is a critical component of any ventilator, designed to mitigate inward leakage of air contaminants during inhalation without inhibiting exhalation.
The Exhalation Valve Body may need to be removed for cleaning and sterilization, or to replace the exhalation valve diaphragm.
Viasys’ replacement guide for the Flow Sensor can be found on page 38 of the service manual attached.
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Use a screwdriver to remove the two Phillips #0 screws at the top of the plug guard.
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Disconnect the green oxygen nebulizer tube
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Remove the 2 Phillips pan-head screws behind the front panel at the lower left and right.
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Disconnect the 1/8” silicone tube #4 from P2 on the exhalation differential transducer.
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Disconnect the 1/8” silicone tube #5 from P1 on the exhalation differential transducer.
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Disconnect the 1/8” silicone tube #1 from the turbine.
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Disconnect the 1/16” silicone tube from the front ports of the turbine outlet auto-zero solenoid that goes to the main tubing harness.
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Disconnect the 1/16” silicone tube from the turbine inlet auto-zero solenoid that goes to the turbine.
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Disconnect the 1/16” silicone tube from the airway pressure auto-zero solenoid that goes to the exhalation valve receptacle.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.