Breas_PV401_Service_manual维修参考说明书手册

TABLE OF CONTENTSService Manual PV401TABLE OF CONTENTS1.INTRODUCTION.11.1Intended use of the ventilator...712Design and function of the ventilator.....1.3The scope of this manual.114Intended audience.....011.5Service personnel's training requirements2OPERATING MANUAL (Reference copy)3.MAINTENANCE SERVICE INSTRUCTIONS3.1….1Verifying the components and software installed..132Special safety precautions3.3Equipment and tools required.......3.4Replacement parts required..3.5Servicing instructions..23.6Service schedule23.7External checks.3.8Intemal checks....43.9Final checks before handing over.....64.REPLACEMENT PARTS........................14.1General view.…42…1Casings and decals....................…24.3Drive unit......34.4Exploded view A,Motor and Transformer44.5Exploded view B,Casing and Base Plate4.6Exploded view C,Circuit Boards and Connectors.........64.7Exploded view D,.Bellows and Drive Screw........74.8Part No.5FUNCTIONAL DIAGRAMS5.1Pneumatic Diagram.52Functional Block Diagram...................26.DISMANTLING AND ASSEMBLING THE PV 401..................................................1.6.1Tools required62Removing the upper casing16.3Replacing the LCD board....26.4Removing the motor unit from the lower casing..............,36.5Replacing the complete motor unit6.6Assembling the motor unit in the casing..67MOTOR UNIT..........17.1Construction...721Inspecting/Replacing the drive belts..27.3Lubricating the drive screw.............7.4Replacing the membranes in the check valves...37.5Tubes and bellows,leakage check67.6Replacing the drive screw assembly...............7Doc.No.1525En Issue:K-2BREAS MEDICALPage 1