Breas_PV501_Service_Manual维修参考说明书手册

Service Manual PV 501/501-2Table of contents1INTRODUCTION1.1The scope of this manual1.2Intended use of the ventilator..1.3Design and function of the ventilator...11.4Intended audience...........1.5Service personnel's training requirements.2OPERATING MANUAL3MAINTENANCE SERVICE INSTRUCTIONS.13.1Verifying the components and software installed13.2Maintenance Service Schedule...........13.3Special safety precautions3.4Equipment required33.5Replacement parts required..33.6Maintenance instructions.33.6.13.6.2Information from the user.33.6.3Validity of documentation .....33.7External checks.￥3.7.1External damage and wear.43.7.2Power cables and plugs.43.7.3Minimum function check....g3.8Intemal Checks.43.8.1Open hood and rear panel.43.8.2Cleaning.…43.8.3Cables and connectors..43.8.4Component fastening…43.8.5Mains supply.…3.8.6Remove and check replace the motor unit......................53.8.7Grease the ball3.8.8Replace the membranes in the check valves...........................3.8.9Leakage check of hoses and bellows53.8.10Reassemble the motor unit...53.8.11Checking the offset and gain of the pressure transducer...........53.8.12Checking the instrument accuracy...53.8.13Internal battery test..53.8.14Reassemble the casing63.9Electrical safety…63.10Final checks before delivery.63.10.1Function check/leakage63.10.2Check the tidal volume/frequency ..63.10.3Calculating the tidal volume/patient pressure .......................73.10.4Checking the pressure limit3.10.5Checking low pressure alam/alarm mute83.10.6gge.....................................................................................Doc.No.:1523EN Issue:N-1BREAS MEDICAL1-0