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General| Brand | DeVilbiss |
|---|---|
| Model | DeVO/MC44-90 |
| Category | Medical Equipment |
| Language | English |
Check unit for damage upon receipt and perform initial operation test.
Guidelines for routine servicing and proper maintenance by qualified personnel.
Safety precautions regarding oxygen use, fire hazards, and electrical shock.
Overview of the oxygen concentrator's purpose, function, and basic components.
Steps for positioning the unit and connecting power, considering environmental factors.
Instructions for powering on, setting flow rate, and connecting humidifiers or tubing.
Procedures for verifying oxygen output concentration at various flow rates.
Daily and weekly maintenance tasks for humidifiers and filters.
Describes visible and audible alarms that indicate unit malfunctions or low oxygen.
Details the MC board's role in monitoring, control, and alarm activation.
Guidelines for component servicing, tool usage, and safety precautions.
Instructions on how to open and remove the unit's front and back covers.
Procedure for replacing the non-repairable flow meter and checking its accuracy.
Instructions for testing and replacing the pressure regulator, and its function.
Explanation of check valve function and procedure for replacing a faulty manifold.
How to test sieve bed pressures and replace the molecular sieve beds.
Procedure for testing, cleaning, and replacing the four-way valve.
Procedure for testing, cleaning, and replacing the pneumatically operated purge valve.
Information on testing compressor voltage, output, and replacing internal components or the unit.
Details on the pilot pressure system and troubleshooting low pressure issues.
Instructions for removing and replacing the manifold assembly and its components.
Steps to replace the capacitor, including disconnection and securing.
Procedure for replacing the cooling fan to prevent compressor overheating.
Instructions for replacing the MC board responsible for system monitoring and control.
Describes the expected sequence of valve and pressure changes during normal operation.
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