NIHON KOHDEN

Ventilators

NKV-550 Series Service Manual Rev B May 2020

Service Manual

148 Pages

  Table of Contents Chapter 1: Intended Uses... 9  Product Intended Function...9 Intended Patient Population...9 Intended Environment of Use...9 Indication for Use...9 Contraindications...9 User Profile...9  Chapter 2: Theory of Operations...11  General Theory... 11 Explanation of Pneumatic Diagram Gas Flow... 11 Gas Delivery Module... 11 Inspiratory Module... 11 Safety Control Module... 11 Expiratory Module... 12 Exhalation Control Module... 12 Auxiliary Pressure Module... 12  Chapter 3: Cleaning, Disinfection and Sterilization...15  General Information... 15 Frequency of Cleaning, Disinfection and Sterilization... 16  Chapter 4: Preventive Maintenance...17  Clinician or Service Personnel To Perform... 17 Service Personnel to Perform... 18 Replacement of the Oxygen Sensor (SEN5503P)...19 Replacement of the Backup Battery (BAT5502P-1)...20 Replacement of the Extended Battery (BAT5500P-1)...21 Installation of Preventative Maintenance Kit (PMK5501A)...22 Replacement of the Fan Filter (FLT5504M)...22 Replacement of the Water Trap Filter (FLT5511P) and Water Trap O-ring (ORG5523P)...23 Replacement of EXH Flow Sensor (SEN5505P), EXH Flow Sensor O-ring (ORG5509P), EXH Valve Screen (SCN5505A), EXH Diaphragm (DIA1006M) and EXH Valve Seal (DIA1004M)...24 Replacement of Safety Valve Diaphragm (DIA5503M), Umbrella Valve (UMV5502M) and Filter/Tube Assembly (TUB5512A)...27  Chapter 5: Service and Utilities Screens...33 Service-Home Screen ... 33 Service-Utilities Screen... 35  Chapter 6: Calibration...37  Calibration/Checks Guidance... 37 Required Calibration/Test Equipment... 38 Disassembly Guidance Table... 38 1.0 Preparing for Calibrations/Checks... 39 1.1 Removal of Top Cover, Breath Delivery Unit (BDU) ... 39 1.2 Attaching Power Switch Assembly and Detaching Electronic Module... 40 NKV-550 Series Ventilator System | 3
File Type: PDF
File Size: 6.1 MB
File Name: NKV-550 Series Service Manual Rev B May 2020.pdf

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