Cardinal Health Vela Ventilator Flow Sensor Receptacle Replacement

Inleiding

This guide provides step-by-step information on how to replace the Flow Sensor Receptacle for the Cardinal Health Vela Ventilator.

The flow sensor is used for measuring the flow rate of the gas passing through the ventilator. It is a crucial component of the ventilator, and must receive periodic sterilization.

The Flow Sensor may need to be removed/replaced for the following reasons:

The Flow Sensor must be sterilized in an autoclave.
The Flow Sensor may need to be replaced if monitored volumes are out of the 20% specification.

Viasys’ replacement guide for the Flow Sensor can be found on page 37 of the service manual attached.

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Stap 1 Flow Sensor Receptacle

Cardinal Health Vela Ventilator Flow Sensor Receptacle Replacement, Flow Sensor Receptacle: stap 1, afbeelding 1 van 1

Use a screwdriver to remove the two Phillips pan-head screws at the top of the plug guard.

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Stap 2

Remove the plug guard and unplug the ventilator.

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Stap 3

Remove the 4 Phillips pan-head screws on the back side of the ventilator.

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Stap 4

Remove all six small side panel screws along the bottom of each side of the top cover.

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Stap 5

Slide the top cover towards the back side of the ventilator to remove it.

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Stap 6

Use your Phillips screwdriver to unscrew the 4 Phillips pan head screws positioned on each side of the battery tray.

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Stap 7

Lift the battery tray out of the ventilator.
Caution: The wires connecting the batteries to the ventilator will still be connected so lift the battery tray carefully.

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Stap 8

Disconnect the batteries from the ventilator by pulling apart the Battery Connector.

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Stap 9

Remove the 2 Phillips countersink screws from the right side of the rear panel.

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Stap 10

Remove the 1 Phillips countersink screw in the upper front of the right panel.

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Stap 11

Remove the 1 Phillips pan-head screw in the lower center of the right panel.

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Stap 12

Gently lift out the panel and the power PCB. Lay the panel flat and make the following disconnections:

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Stap 13

Remove the 2 Phillips countersink screws at the rear of the left panel.
Remove the 1 Phillips countersink screw in the upper front of the left panel.
Lift out the left panel.

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Stap 14

Disconnect the following from the main PCB:
JP2 40-pin ribbon cable to JP1 on the SVGA out PCB
J301 12-pin to J301 on the blender PCB

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Stap 15

Disconnect the green oxygen nebulizer tube
Remove the 2 Phillips pan-head screws behind the front panel at the lower left and right.
Disconnect the 1/8” silicone tube #4 from P2 on the exhalation differential transducer
Disconnect the 1/8” silicone tube #5 from P1 on the exhalation differential transducer
Disconnect the 1/8” silicone tube #1 from the turbine

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Stap 16

Disconnect the 1/16” silicone tube from the front ports of the turbine outlet auto-zero solenoid that goes to the main tubing harness.
Disconnect the 1/16” silicone tube from the turbine inlet auto-zero solenoid that goes to the turbine.
Disconnect the 1/16” silicone tube from the airway pressure auto-zero solenoid that goes to the exhalation valve receptacle.