Aeonmed Aeon7800A Service Manual
  1. Manuals
  2. Brands
  3. Aeonmed Manuals
  4. Medical Equipment
  5. Aeon7800A
  6. Service manual
Aeonmed Aeon7800A Service Manual

Aeonmed Aeon7800A Service Manual

Anesthetic machine
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Aeon7800A Anesthetic Machine Service Manual
Foreword
This Service Manual is intended as a guide for technically qualified personnel performing repair,
calibration and period maintenance procedures for Aeon7800A Anesthetic machine.
Warnings, Cautions and Notes
The following list of warnings, cautions and notes apply to general servicing and maintenance of
Aeon7800A Anesthetic Machine. Please read and adhere to all warnings, cautions and notes listed
here and in the appropriate areas throughout this service manual.
Warnings
statement gives important information that, if ignored, could lead directly to
personal injury.
Cautions
statement gives important information that, if ignored, could lead directly to
equipment damage and indirectly to personal injury.
Notes
statement gives important information when additional general information is
applicable.
Warnings
Warnings
Whenever using anesthetic gases, nitrous oxide, oxygen, or any hospital gas always
follow the appropriate agent evacuation/connection procedures.
Warnings
For continued protection against fire hazard, replace all fuses with the specified
type and rating.
Warnings
In order to prevent on electric shock, the machine (protection classⅠ) may only be
connected to a correctly grounded mains connection (socket outlet with grounding contact).
Warnings
Remove all accessory equipment from the shelf before moving the anesthetic
machine over bumps or on any inclined surface. Heavy top loading can cause the machine to tip
over causing injury.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Aeon7800A and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Aeonmed Aeon7800A

Summary of Contents for Aeonmed Aeon7800A

  • Page 1 Warnings, Cautions and Notes The following list of warnings, cautions and notes apply to general servicing and maintenance of Aeon7800A Anesthetic Machine. Please read and adhere to all warnings, cautions and notes listed here and in the appropriate areas throughout this service manual.
  • Page 2 Cautions This device uses high pressure compressed gas. When attaching or disconnecting backup gas cylinders, always turn the cylinder valves slowly. Use Aeon7800A flow meters to bleed down the pressure, watching the cylinder gauge indicate the depleting cylinder pressure, before disconnecting the cylinder from the yoke. Always open and close cylinder valves fully.
  • Page 3 Aeon7800A Anesthetic Machine Service Manual Cautions This machine must only be operated by trained, skilled medical staff. Cautions Perform the electrical safety inspection as the last step after completing a repair or after routine maintenance. Perform this inspection with all covers, panels and screws installed.

  • Page 4: Warranty

    Foreward Recommendations Because of the sophisticated nature of Aeon7800A Anesthetic Machine and its critical importance in the operating room, it is highly recommended that only appropriately trained and experienced professionals, using authentic spare parts, be permitted to service and maintain this machine.

  • Page 5: Basic Principle

    1.1 Aeon7800A Anesthetic Machine Theory of Operation 1.2 Introduction about Aeon7800A Anesthetic Machine The Aeon7800A is a continuous flow anesthetic system which offers manual or automatic ventilation, easily adjustable fresh gas delivery, anesthetic agent delivery, ventilation monitoring, convenient ergonomics, and state-of-the-art safety system.
  • Page 6 Theory of Operation FIGURE 1-1 Aeon7800A Anesthetic Machine Airway Theory Chart （ The Old Edition ） V01.00...
  • Page 7 Aeon7800A Anesthetic Machine Service Manual FIGURE 1-2 Aeon7800A Anesthetic Machine Airway Theory Chart （ The New Edition ） Cautions Because the product needs to upgrade, there are some changes on the Aeon7800A Theory Chart, and now the new and old edition of the Airway Theory Charts are listed, please see the corresponding theory chart upon the machine actual statue.
  • Page 8 Theory of Operation 1.4 Anesthetic Machine System Component 1.4.1 Front View FIGURE 1-3 Aeon7800A Front View V01.00...
  • Page 9 Aeon7800A Anesthetic Machine Service Manual Part Name Part No. Monitor Arm 121000206 User Interface 122002625 UI Arm 121000126 Oxygen Sensor Assembly 122003526 AC142 Breathing System 121000244 Common Gas Outlet(CGO) Subassembly 122001693 Flush Valve Assembly 122002621 Anesthetic Gas Scavenging System(AGSS) 122002920...
  • Page 10 Theory of Operation 1.4.2 Side View FIGURE 1-4 Aeon7800A Side View V01.00...
  • Page 11 Aeon7800A Anesthetic Machine Service Manual Part Name Part No. Upper Mainframe Assembly 122002623 User Interface Cable 122001625 Auxiliary Gas Outlet 122002626 Breathing System Pneumatics Interface Breathing System Pneumatics Hose 122002159 Sensor Cable 122001766 Interface Module Assembly 122001692 Breathing System Support Arm...

  • Page 12: Rear View

    Theory of Operation 1.4.3 Rear View FIGURE 1-5 Aeon7800A Rear View Part Name Part No. Top Shelf Assembly 122002316 Gas Input Module Assembly 122002928 Mains Supply Assembly 122002622 Electronic Flow Meter Assembly 122001704 Gas Box Assembly 122001697 V01.00...
  • Page 13 Aeon7800A Anesthetic Machine Service Manual YOKE Assembly 122001718 AMP Cables Electric Box Assembly 122001690 Rear Panel Assembly 122001685 Caster(without brake) 240000035 V01.00...
  • Page 14 Flush Valve The O Flush Valve is located on the front of Aeon7800A. The supplied gas does not pass the flow meter of 35 ～ 50L/min. and vaporizer. It is directly sent to the fresh gas outlet. Press this button to supply O Release this button to automatically close the O flush supply.
  • Page 15 35 ～ 50L/min. Drawers Subassembly Aeon7800A has three same size drawers for storage which can be locked and fixed through the uppermost drawer lock simultaneously.The key can open the draws of any machine. 10 Vaporizer Mounting Manifold The Vaporizer Mounting Manifold provides support for up to two Selectatec compatible vaporizers.
  • Page 16 Theory of Operation 13 User Interface Cable The User Interface Cable provides signal transmission between the User Interface and the main unit, at the same time including power supply of the screen. FIGURE 1-6 Anesthetic Machine Cable Interface Anesthetic machine cable interface each pin defines as follows: Name Function ENPW...
  • Page 17 Aeon7800A Anesthetic Machine Service Manual /MUTE No used, reserved Ground TTLTX TTL Transmit, reserved 232ATX RS232A Transmit, reserved 232BTX RS232B Transmit, 104-BDU communication Ground PWBUS Power Bus PWBUS Power Bus Ground V01.00...
  • Page 18 Theory of Operation 14 Auxiliary Gas Outlet Assembly The Auxiliary Gas Outlet Assembly provides the patient with auxiliary O and mixtures of different concentration. It also contains an O connection for use with other equipment.The outlet could provide the patient function of inhaling O .That give effective assistance for surgical recovery or relevant external O demand of the patient.
  • Page 19 Aeon7800A Anesthetic Machine Service Manual 17 O Sensor Cable The O Sensor Cable provides a connection between the oxygen sensor component in the Breathing System and the oxygen concentration signal acquisition port on outlet module of the mainframe. FIGURE 1-8 O...
  • Page 20 25kg. 25 Gas Input Assembly The Gas Input Assembly allows gas in the pipeline and backup gas cylinder to enter Aeon7800A for regulation. The pressure regulator reduces pressure to 36psi (250kPa). The O...
  • Page 21 36 Bellows Assembly Aeon7800A employs ascending ventilation bellows, in which mixed gas is stored. Drive gas supplied by the ventilator forces the bellows to descend sending mixed gas into the inspiration passage of patient’s airway. If a patient’s airway suffers from gas leakage, the bellows will collapse, informing the operator of a possible problem.
  • Page 22 Theory of Operation 37 Pressure-relief Valve The Pressure-relief Valve is located at the base of the bellows. When end-expiration airway pressure reaches 1 ～ 3cmH O,the pressure-relief valve opens and redundant gas is expelled.The resistance of breathing meets the request of less than 0.6kPa@60L/min. 38 Exhaust Gas Outlet The Exhaust Gas Outlet is located on the lower part of the Breathing System.

  • Page 23: Breathing System

    Aeon7800A Anesthetic Machine Service Manual 1.4.5 Breathing System The Breathing System is integrated into a compact aluminum block. This block is heated to body temperature to prevent condensing of humidified gases within the Breathing System, thus improving airway climate for the patient's breathing of respiratory gases. The heated Breathing System contains: an...
  • Page 24 Theory of Operation Adjustable Pressure Limiting (APL) Valve 240000171 5 ． Absorber Canister 122003216 6 ． V01.00...
  • Page 25 Aeon7800A Anesthetic Machine Service Manual FIGURE 1-11 Breathing System Bottom View Part Name Part No. Breathing System Pneumatic Hose 122002159 1 ． Breathing System Support Arm 122001733 2 ． Sensor Cable 122001766 3 ． Heater Cable 122001774 4 ． Drive Gas Hose 5 ．...
  • Page 26 Theory of Operation FIGURE 1-10 Breathing System Explosion Chart-Top View V01.00...
  • Page 27 Aeon7800A Anesthetic Machine Service Manual Part Name Part No. Bellows Dome 130004086 1 ． Bag Arm 122002573 2 ． Bellows Subassembly 122003343 3 ． Airway Pressure Gauge 122001736 4 ． Bellows Plate 130007001 5 ． U-ring 130004091 6 ． Bellows Fixing Plate 130007000 7 ．...
  • Page 28 Theory of Operation Oxygen Sensor Plug 122001748 14 ． Pressure Gauge Base 130004029 15 ． O-ring Φ29×1.8 304000105 16 ． Teflon U-ring 22 230000430 17 ． Bag Arm Friction Base 130004024 18 ． Valve Retaining Ring 130006265 19 ． O-ringΦ4×1.8 304000093 20 ．...
  • Page 29 Aeon7800A Anesthetic Machine Service Manual FIGURE 1-11 Breathing System Explosion Chart-Bottom View V01.00...
  • Page 30 Theory of Operation Part Name Part No. 1． Top Cover Component 122003219 2． Boom Nut 130004087 3． Corrugated Pipe 130004092 4． Circuit Boom 130006437 5． Elastic Gasket 130006258 6． Absorber Canister 130003231 7． Guide Bushing 130004055 8． Halftone 130004098 9． Elastic Ferrol 130006417 10．...
  • Page 31 Aeon7800A Anesthetic Machine Service Manual FIGURE 1-12 Breathing Module Explosion Chart-Top View Part Name Part No. 1． Bag Arm Component 122002573 2． Pressure Gauge Component 122001736 3． Bellows Fixing Plate 130006800 4． APL Valve 240000171 5． Inspiration/Expiration Dome 122001762 6．...
  • Page 32 Theory of Operation FIGURE 1-13 Breathing Module Explosion Chart-Bottom View V01.00...
  • Page 33 Aeon7800A Anesthetic Machine Service Manual Part Name Part No. 1． AC Integrated Module 122003213 2． Inspiration/Expiration Dome Component 122001738 3． Heating Component 122001741 4． APL Check Valve Component 122001739 5． Check Valve Component 122001740 6． Inhale Probe Component 122001742 7．...

  • Page 34: Alarm Set

    When bypassing the compliance test, the default settings are used. In Aeon7800A Compliance Compensation the VT (Tidal Volume) set is delivered during the first breath. ∆P is calculated from end-expiratory pressure P1 and end-inspiratory pressure P2.
  • Page 35 Aeon7800A Anesthetic Machine Service Manual Use these values to calculate the total compliance: This results in the following patient compliance: The patient is supplied with a volume of 480 mL. Verror1 (deviation from the set value) is calculated as follows: In order to correct this error, increase the volume supplied by the slot valve by Verror 1.
  • Page 36 Theory of Operation 1.4.9 Explosion Chart of Anesthtic Machine Other Parts 1.4.9.1 Electric Box Assembly FIGURE 1-14 Electrical Box Explosion Chart V01.00...
  • Page 37 Aeon7800A Anesthetic Machine Service Manual Part Name Part No. Positioning Board of Power Supply 130003870 1 ． Power Board 122001401 2 ． Electric Box 130003873 3 ． Amplifier Board Fixing 130003872 4 ． Amplifier Board 122001402 5 ． BDU Control Board 122001404 6 ．...
  • Page 38 Theory of Operation Stainless Steel Rivet in Tension Φ4×8 305000005 14 ． Battery Fixing Board-1 130003874 15 ． Electric Box Label 16 ． O-silica gel Seal Ring Φ89×3.55 304000088 17 ． Stainless Steel Countersunk Pull Nut M4 220000252 18 ． Battery Component SLA-5AH24V-3 122001627 19 ．...
  • Page 39 Aeon7800A Anesthetic Machine Service Manual 1.4.9.2 Pneumatic Box Assembly FIGURE 1-15 Pneumatic Box Assembly Explosion Chart V01.00...
  • Page 40 Theory of Operation Part Name Part No. 1． Sensor Board 122001406 2． Plug Pan Head Screw M3×8 301000323 3． Internal Tooth-lock Washer 3 303000052 4． Squeeze Nut Cylinder S00S-M3-7 220000254 5． Gas Box Module Assembly 122001698 6． IP Valve Component 122002026 7．...
  • Page 41 Aeon7800A Anesthetic Machine Service Manual 1.4.9.3 Gas Module FIGURE 1-16 Gas Module Explosion Chart-Top View Part Name Part No. 1． Proportional Valve 1350-5083 240000129 2． Pair Board 122001410 3． Plug Pan Head Screw M3×5 301000355 4． PAW Board 122001409 5．...
  • Page 42 Theory of Operation FIGURE 1-17 Gas Module Explosion Chart-Bottom View Part Name Part No. 1． AMISCO24V Magnetic Valve Component 122001791 2． Plug Pan Head Screw M3×25 301000324 3． Inhale Entrance 130003914 4． O-ring Φ14×1.8 304000119 5． Plug Pan Head Screw M3×8 301000323 6．...
  • Page 43 Aeon7800A Anesthetic Machine Service Manual 1.4.9.4 Gas Inlet Module FIGURE 1-18 Gas Inlet Module Explosion Chart-Top View Part Name Part No. 1． Pressure Regulator Component 122002923 2． Air Pressure Regulator Component 122002924 3． Nylon Tube 6/4（Green） 230000420 4． O Block Valve Component 122002922 5．...
  • Page 44 Theory of Operation FIGURE 1-19 Gas Inlet Module Explosion Chart-Bottom View Part Name Part No. 1． Supporting Plug 130006147 2． O-ring Φ12.5×1.8 304000118 3． Spool 130000075 4． Hexagon Pattern Countersunk Nut M8×10 301000352 5． O-ring Φ16×1.8 304000099 6． Filter 130003930 7．...
  • Page 45 Aeon7800A Anesthetic Machine Service Manual 11． Sprint Flash Plug-in Connector 220000348 V01.00...
  • Page 46 Theory of Operation 1.4.9.5 Display Screen Assembly FIGURE 1-20 Display Screen Assembly Explosion Chart Part Name Part No. 1． Front-shell 130001228 2． Isolated Board Assembly 122001808 3． Electric Cloth 4． Plug Countersunk Nut M3×12 301000328 5． Rear-shell Assembly 122001807 6． Socket Cap Screw M4×12 V01.00...
  • Page 47 Aeon7800A Anesthetic Machine Service Manual 1.4.9.6 Isolated Board FIGURE 1-21 Isolated Board Front View Part Name Part No. 1． LCD LB104V03 210000138 2． Plug Pan Head Screw M3×8 301000323 3． Internal Tooth-lock Washer 3 303000052 4． Positioning Strip 130003918 5．...
  • Page 48 Theory of Operation FIGURE 1-22 Isolated Board Rear View V01.00...
  • Page 49 Aeon7800A Anesthetic Machine Service Manual Part Name Part No. 1． PC104 210002146 2． R-wire Clap 210001242 3． W7 Cable 122000598 4． Communication Board 122001403 5． Plug Pan Head Screw M3×8 301000323 6． Internal Tooth-lock Washer 3 303000052 7． Inverter TPI-02-0246-K 210000139 8．...
  • Page 50 Theory of Operation 1.4.9.7 Flow Meter FIGURE 1-23 Flow Meter Explosion Chart Part Name Part No. Flow Meter FM410(C) Assembly 121000272 1 ． Flow Meter N O Label 130000054 2 ． O Knob 130003962 3 ． Flow Meter AIR Label 130000056 4 ．...
  • Page 51 Aeon7800A Anesthetic Machine Service Manual Flow Meter O Label 130000050 6 ． Knob 130003960 7 ． V01.00...
  • Page 52 Theory of Operation 1.4.9.8 Main Outlet Assembly FIGURE 1-24 Main Outlet Assembly Explosion Chart V01.00...
  • Page 53 Aeon7800A Anesthetic Machine Service Manual Part Name Part No. 1． Hexagonal Nut M3 302000030 2． Internal Tooth-lock Washer 3 303000052 3． Filter Cover Plate 130003894 4． Power Supply Filter 10SS4A-2DC1-Q 210001787 5． Terminal Fix Board 130003890 6． Socket Fix Board 130005184 7．...
  • Page 54 Theory of Operation 1.4.9.9 YOKE Assembly FIGURE 1-25 YOKE Assembly Explosion Chart Part Name Part No. 1． High Pressure Pipe 130003989 2． Air High Pressure Pipe 130003990 3． O High Pressure Pipe 130003991 4． Reducer Component 122001722 5． Air Reducer Component 122001723 6．...
  • Page 55 Aeon7800A Anesthetic Machine Service Manual 1.5 Electrical Supply 1.5.1 Electrical Components FIGURE 1-26 Electrical Theory Chart V01.00...

  • Page 56: Ventilator Control And Drive

    Theory of Operation 1.6 Ventilator Control and Drive 1.6.1 Basic Data Unit (BDU) The BDU serves as the active ventilator control. The BDU controls the actions of the PEEP, data of the sensors, and proportional valves, and reads the signal flow, and pressure sensors and valves.Please note that the BDU needs to match the version of its software.
  • Page 57 Aeon7800A Anesthetic Machine Service Manual FIGURE 1-28 BDU Control Board Bottom View V01.00...
  • Page 58 Theory of Operation 1.6.1.1 Amplifier Board Part No.:122001402 FIGURE 1-29 Amplifier Board Top View (Optimized Version) V01.00...
  • Page 59 Aeon7800A Anesthetic Machine Service Manual Part No.:122002547, the optimized edition compatible with 22001402 FIGURE 1-30 Amplifier Board Top View V01.00...
  • Page 60 Theory of Operation FIGURE 1-31 Amplifier Board Bottom View V01.00...
  • Page 61 Aeon7800A Anesthetic Machine Service Manual Amplifier Board Interface Define: Sensor Input, S4 Name Function Sensor Input - Sensor Input - Sensor Input + Sensor Input + DC Power Input, J7 Name Function Power Ground BDU Logic Power P12V Power 12V...
  • Page 62 Theory of Operation PWEN Power On Enanble, High active 5VAUX 5V Auxiliary DC＿M AC/DC Monitor signal PWBUS Power bus, No connection BAT＿M Battery Monitor signal Auxiliary Power Enable, optional CHAR ＿ Charge Status, No connection SIGNAL /MUTE Mute, Not used V01.00...
  • Page 63 Aeon7800A Anesthetic Machine Service Manual Signals and Power to Keyboard, J5 Name Function ENPW Power Enable, High active /PWON /Power on Enable, Low active 5VAUX 5V Auxiliary Auxiliary Power Enable, optional Ground TTLRX TTL Receive, reserved 232AR RS232A Receive, reserved...
  • Page 64 Theory of Operation Ground TTLTX TTL Transmit, reserved 232AT RS232A Transmit, reserved 232BT RS232B Transmit 104-BDU communication Ground PWBU Power Bus PWBU Power Bus Ground V01.00...
  • Page 65 Aeon7800A Anesthetic Machine Service Manual Signals and Power to Sensor Board, J30 Name Function A+12V Analogue+12V FL_INS inspire flow signal FL_EXP export flow signal FM_FLO Flow meter flow signal Pair Absolute Pressure of air way Relative Pressure of air way...
  • Page 66 Theory of Operation Exhale Expire Valve drive Exhale Expire Valve drive AGND Analogue Ground AGND Analogue Ground AGND Analogue Ground AGND Analogue Ground V01.00...
  • Page 67 Aeon7800A Anesthetic Machine Service Manual Bus to BDU, J96 Name Function 5V Power Ground No connection DSP_RXDA DSP UART A RXD DSP_TXDA DSP UART A TXD DSP_RXDB DSP UART B RXD DSP_TXDB DSP UART B TXD 232ARX RS232A Receive 232ATX...
  • Page 68 Theory of Operation dADC-A2 Pressure of air way sampling dADC-A1 No connection dADC-A0 No connection dADC-B0 Inhale-STATE sampling dADC-B1 Exhale-STATE sampling dADC-B2 Mass-FLOW sampling dADC-B3 Manual-STATE sampling dADC-B4 Volt-STATE sampling dADC-B5 No connection AGND Analogue Ground GPIO-B1 No connection GPIO-B2 No connection GPIO-B3 No connection...
  • Page 69 Aeon7800A Anesthetic Machine Service Manual GPIO-B14 No connection GPIO-B15 No connection GPIO-B11 IIC Input No using GPIO-B12 IIC Input No using DSP_GPIOD5 No connection ADCINA1_IN No connection ADCINA0_IN No connection DAC2 Exhale DA DAC1 Inhale DA DAC4OUT No connection DAC3OUT...
  • Page 70 Theory of Operation DSP_GPIOD1 No connection DSP_GPIOA1 No connection DSP_GPIOA1 Logic signal Input, reserved DSP_GPIOA1 No connection DSP_GPIOF1 No connection DSP_GPIOE2 Pressure gas supply status Output AIN1 No connection AIN3 No connection AIN2 No connection AIN0 No connection AGND Analogue Ground AGND Analogue Ground AGND...
  • Page 71 Aeon7800A Anesthetic Machine Service Manual Test Point Definition Designator Name Function Range FI O ADC input of O Sensor 0-2.5V Pgas Pressure switch of gas supply, low active Digital:0，1 FL_INSP Inspire Flow signal ―― 0.23 Pair Absolute Pressure of air way 1.95V...
  • Page 72 Theory of Operation Manual/Auto mode select Digital:0，1 V-EN Valves enable Input Digital:0，1 EX-DA Exhale DA output 0-2.5V In-DA Inhale DA output 0-2.5V GS_ST gas supply status, high active Digital:0，1 Exhale-Valve current feedback 0-300mV Inhale-Valve current feedback 0-90mV Manual-Valve current feedback 0，40-50mV Inhale-Valve given 0-90mV...
  • Page 73 Aeon7800A Anesthetic Machine Service Manual Power 24V 22-24V P12V Power 12V 11.5-13V -10V Negative Voltage -10V -9.7 to -9 A12V Analogue 12V 11-12.5V Power 5V 5.00-5.2V 5VAUX 5V Auxiliary 4.9-5.1V Analogue +10V 9-9.8V？？ AD-Inhale Inhale-STATE feedback 0-3V AGND Analogue Ground...
  • Page 74 Theory of Operation Manual/Auto Valve feedback 2.2-2.7V V01.00...
  • Page 75 Aeon7800A Anesthetic Machine Service Manual Indicator Designator Status Function GREE Auto/Manual indicator Only for factory calibration or maintenance engineers calibrate on site when the type of sensor changes. Only Adjustment Method: Conect the O sensor, put it in air for 3 minute, adjusting R37 to make the signal of O sensor under SERVICE menu’s A/D monitoring page is0.450V, do O...
  • Page 76 Theory of Operation 1.6.1.2 Drive Gas Pressure Sensor Board Part No.:122001410 FIGURE 1-32 Drive Gas Pressure Sensor Board Top View FIGURE 1-33 Drive Gas Pressure Sensor Board Bottom View Drive Gas Pressure Sensor, J1 Name Function Analog Ground Pair Pressure of air No connection V01.00...
  • Page 77 Aeon7800A Anesthetic Machine Service Manual AR10 No connection V01.00...
  • Page 78 Theory of Operation 1.6.1.3 PAW Pressure Sensor Board Part No.:122001409 FIGURE 1-34 Paw Pressure Sensor Board Top View FIGURE 1-35 Paw Pressure Sensor Board Bottom View PAW Pressure Sensor, J2 Name Function AGND Analog Ground Pressure inside airway AR5V No connection No connection V01.00...
  • Page 79 Aeon7800A Anesthetic Machine Service Manual V01.00...
  • Page 80 Theory of Operation 1.5.1.4 Breathing System Heater Cautions This When replacing the board, don’t connect the AC power.The main switch don’t control this board. Part No.:122001405 Compatible Software: 140000058 FIGURE 1-36 Breathing System Heater Top View V01.00...
  • Page 81 Aeon7800A Anesthetic Machine Service Manual FIGURE 1-37 Breathing System Heater Bottom View V01.00...
  • Page 82 Theory of Operation Power Input, J2 Ground Controller Power, Heating Heater Power Supply No Connection Heater Output, J3 Function Heater Power Return Sensor 1 signal Heater Output Test Point Definition Designato Name Function Qualified Range Controller Power, 5V 5.0-5.25V Power Ground Heater Power input, 24V 23.5-24.5V Sensor 1 Data...
  • Page 83 Aeon7800A Anesthetic Machine Service Manual Status GREEN Heater Status Ready Blink Heater or sensor not ready Other defects V01.00...
  • Page 84 Theory of Operation 1.5.1.5 Sensor Board Part No.: 122001406 FIGURE 1-38 Sensor Board Top View FIGURE 1-39 Sensor Board Bottom View Pair, J1 （ This applies to 22001406 ） V01.00...
  • Page 85 Aeon7800A Anesthetic Machine Service Manual Name Function Function Analogue Analogue GND Ground Pair Pressure of air Environment Pressure Signal No connection No Connection AR10 Analog 10V Supply Voltage of Environment Pressure Sensor No connection No Connection V01.00...
  • Page 86 Theory of Operation Paw, J2 （ This applies to 122001406 ） Function Function Analogue Ground Analogue GND Pressure inside airway Airway Pressure Signal Supply Voltage of Airway Pressure Sensor No connection No Connection No connection No Connection Work Light Power, J11 Name Function Function...
  • Page 87 Aeon7800A Anesthetic Machine Service Manual Name Function Function Ground No connection No Connection Pgas Switch input Signal Input of Gas Supply Pressure Expiration Valve, J14 Name Function Function 4.8V 4.8V P4.8V Valexp Expire Valve Drive Feedback Value of Expiratory Valve...
  • Page 88 Theory of Operation Manual/Auto Valve, J4 Name Function Function P24V Valman Manual/Auto Valve Drive Feedback Value of Manual/Auto Valve Signals and Power of Sensor Board, J13 Name Function Function A+12V Analgue +12V Analogue12V FL_INS inport flowence Feedback Signal of Inspiratory Flow Seonsor FL_EXP export flowence Feedback Signal of Expiratory Flow Seonsor...
  • Page 89 Aeon7800A Anesthetic Machine Service Manual Power 5V Inhale Inspire Valve Feedback Value of Inspiratory Valve Manue/AUTO Valve Feedback Value of Manual/Auto Control Valve Exhale Expire Valve Feedback Signal of Expiratory Exhale Expire Valve Feedback Signal of Expiratory AGND Analogue Ground...
  • Page 90 Theory of Operation Test point Definition Designato Name Function Function AN10V Negative Voltage 10V -10 Power Test Point AR5V Reference Voltage 5V Basic 5V Test Point AR10V Reference Voltage 10V Basic 10V Test Point AP10V Power 10V 10V Power Supply AGND Analogue Ground AnalogueGND...

  • Page 91: Power Management

    Aeon7800A Anesthetic Machine Service Manual 1.5.2 Power Management Power management is located behind the Rear Panel Assembly. This module serves as the voltage supply for the ventilator control and drive BDU, the flow meter backlight, the work light, the Breathing System Heater, and the charging/discharging control for the battery.
  • Page 92 Theory of Operation Part No.: 122002546 FIGURE 1-41 Power Board, Top View V01.00...
  • Page 93 Aeon7800A Anesthetic Machine Service Manual FIGURE 1-42 Power Board, Bottom View Battery Input, J4 Name Function Battery Input + Power Ground BATTEST Battery Input + for detecting V01.00...
  • Page 94 Theory of Operation DC24V Power Input, J3 Name Function Power Ground Power Ground Power input Power input DC Power Output, J2 Name Function Ground Control Power 5V P12V Power 12V PWBUS Power Bus 24±2V(battery) Ground A12V Analogue 12V P5V(4.8V) Power 5V(4.8V) Heater Power, J1 （...
  • Page 95 Aeon7800A Anesthetic Machine Service Manual Heater Output, 10+J10X （ This applies to power board 122002546. ） Name Function Heater Ground Temperature Sensor 1 POUT Heater Output Test Signal of Circuit Installation Test Signal of Temperature Gradual Change V01.00...
  • Page 96 Theory of Operation Power Control, J6 Name Function Ground /PWON Power ON enabling signal, low but active PWEN Bus breakover enabling signal, efficient as it is high 5VAUX Auxiliary Power Supply DC_M Monitor signal of Switch Power PWBUS(*1) Power bus monitor signal NC(*2) No connection BAT_M...
  • Page 97 Aeon7800A Anesthetic Machine Service Manual /PWON Control Signal of Main-unit Switch V01.00...
  • Page 98 Theory of Operation Test Point Definition Designator Name Function Qualified Range Switch Power Voltage 23-25V PWBUS Power Bus Voltage 23-24V A12V Analogue12V 11.5-13V P12V P12V 11.5-13V V01.00...
  • Page 99 Aeon7800A Anesthetic Machine Service Manual 5V Logic Power 5.1-5.3V 5V/4.8V P4.8V 4.7-4.9V BAT+ Battery Voltage+ Depends on the battery status Charging Power Voltage 30V 29.5-31V ， only exists as the switch power is supplied 5VAUX Auxiliary Power 5V 4.9-5.1V Charging Current Charging Current Feedback V01.00...
  • Page 100 Theory of Operation 0-260mV ， depends on the battery status Indicator Designato Name Status Function DC24V GREEN Switch Power Output Available PWRON GREEN Power Board Output Available Charge GREEN Charge Indicator LT2*1) Active Heater Output Indicator LT3*1) Status GREEN, Normal Working Status Blink *1) this applies to power board 122002546 Jumper, JP1...

  • Page 101: Power Supply

    The power supply provides power to the machine and relevant controls. 1.6 Anesthetic System Components 1.6.1 Auxiliary Outlet Aeon7800A has four auxiliary outlets feature 100 ～ 240VAC ， 50/60Hz ， 1.5A maximum for each. There are two 2A fuses for each outlet. V01.00...
  • Page 102 Theory of Operation 1.6.2 Absorber Heater Wire Board FIGURE 1-43 Absorber Heater Wire Board Top View FIGURE 1-44 Absorber Heater Wire Board Bottom View V01.00...

  • Page 103: Work Light Board

    Aeon7800A Anesthetic Machine Service Manual 1.6.3 Work Light Board Part No.:122001408 FIGURE 1-45 Work Light Board Top View FIGURE 1-46 Work Light Board Bottom View Work Light Power, J11 NAME FUNCTION Power No Connection Power Ground Work Light Switch, J11...
  • Page 104 Theory of Operation 1.6.4 User Interface 1.6.4.1 Keyboard Board Part No.:122001405 FIGURE 1-47 Keyboard Board Top View V01.00...
  • Page 105 Aeon7800A Anesthetic Machine Service Manual FIGURE 1-48 Keyboard Board Bottom View V01.00...
  • Page 106 Theory of Operation Signals and Power of Keyboard, J1 Name Function Function ENPW Power Enable, High active Power Enable, High active Ground /Power on Enable, Low active Main-unit switch enabling signal, PWON efficient as it is low DC24V DC24V monitor Switch power voltage test signal 5VAU 5V Auxiliary...
  • Page 107 Aeon7800A Anesthetic Machine Service Manual 232BT BDU-104, RS232B Transmit BDU->PC104 ， 232 level Ground Ground PWBU PowerBus Bus Voltage PWBU PowerBus Bus Voltage PWBU PowerBus Bus Voltage PWBU PowerBus Bus Voltage PWBU PowerBus Bus Voltage Ground Ground V01.00...
  • Page 108 Theory of Operation PC104 LPT, J5 Name Function Function No connection PRN_FE No connection Sound level Input, D0 Encoding input end controlled by sound PRNERR No connection Sound level Input, D1 Encoding input end controlled by sound INIT No connection Sound level Input, D2 Encoding input end controlled by sound SLIN...
  • Page 109 Aeon7800A Anesthetic Machine Service Manual Sound Signal Output No Connection Ground PRN_PE No connection No Connection Ground No connection No Connection Ground PC104 Power Output, J6 Name Function Function Controller Logic Power PC104 Supply Voltage Power Ground Power Ground Power 12V, No connection Not being used V01.00...
  • Page 110 Theory of Operation PC104 Speaker Audio, J7 Name Function Function Sound frequency Signal Input Audio Signal Sound frequency Signal Output Audio Signal Ground Speaker Out, RL1 Name Function Function Speaker anode Speaker Positive Input Speaker cathode Speaker Negtive Input Backlight Power, J2 Name Function Function...
  • Page 111 Aeon7800A Anesthetic Machine Service Manual Ground Encoder I/O Encoder I/O port Encoder I/O Encoder I/O port Encoder Power Supply, 5V Encoder Power Input Power of RS232 Isolator, J9 Name Function Function Power 5V 5V Power Input No connection No Connection Ground Serial Port 1/2 ，...
  • Page 112 Theory of Operation Test Point Definition Designator Name Function Function Sound Coding Input Test Point Test point of encoding input controlled by sound Sound Coding Input Test Point Test point of encoding input controlled by sound Sound Coding Input Test Point Test point of encoding input controlled by sound Sound Coding Input Test Point...
  • Page 113 Aeon7800A Anesthetic Machine Service Manual Backlight brightness adjustment, W1. Adjust potential device W1 to change LCD brightness. 1.6.5 Display The display is a 10.4 inch TFT LCD, the resolution is 640×480.Model is LB104V03. V01.00...
  • Page 114 Theory of Operation 1.6.6 Communication Interface/RS232 Isolate Board Part No.:122001407 It has dual DCE serial ports, and does not support gas circuit. FIGURE 1-49 RS232 Isolate Board Top View Part No.:122002186 It has DCE serial port, DIE serial port and 5V power supply, and supports the extension of gas monitoring module.
  • Page 115 Aeon7800A Anesthetic Machine Service Manual COM1/2 Function Function RS232 PC104 RS232 to PC104 Communication Sending OUTPUT Output RS232 PC104 RS232 to PC104 Communication Receiving INPUT Inpu Ground COM1A/B Function Function RS232 TXD TO PC OUTPUT RS232 to PC Communication Sending Output...
  • Page 116 Theory of Operation Others No connection No Connection 1.6.7 Fuses Aeon7800A has 10 fuses on the back panel of the unit. There are two 2A fuses for each of the four outlets and two 10A fuses for the line cord. V01.00...
  • Page 117 Aeon7800A Anesthetic Machine Service Manual 1.6.8 PC104 Part No.:210002146 FIGURE 1-52 PC104 Top View FIGURE 1-53 PC104 Layouts V01.00...
  • Page 118 Theory of Operation Jump and Connection List of PC104 Connector’s Definition and Use Instruction PWR1, 5V power supply, connect to J6 on communication board. V01.00...
  • Page 119 Aeon7800A Anesthetic Machine Service Manual COM1/2/3/4,standard RS232 serial port 1-4 COM1connect to COM1 of communication board COM2 connect to COM2 of communication board COM3 connect to COM2 (to COMB)of Isolate Board onRS232 COM4 connect to COM(to COMA) of Isolate Board on RS232...

  • Page 120: Drive Gas

    Theory of Operation USB1/2 interface, connect external equipment by special wire. 1.7 Ventilator Pneumatic- O Drive Gas 1.7.1 Ventilator Pneumatic Drive Oxygen is the driving gas for the ventilator. In addition to the flow meter block, a high pressure regulator reduces the supply pressure to 25.4psi (175kPa).

  • Page 121: The Breathing System

    Aeon7800A Anesthetic Machine Service Manual 1.7.4 Gas Color Coding All the gases used in Aeon7800A are color coded for use in China, the United States and Europe. China Standard US Standard Europe Standard Blue Green White Silver gray Blue Blue...

  • Page 122: Breathing System Components

    Theory of Operation 1.8.7 Breathing System Components 1.9.7.1 Ventilation Bellow System The ventilator\s driving system is a flow generator. Driving gas fills the bellows dome to compress the bellows. The breathing gas is pressed out of the bellows into the patient breathing circuit. The bellows is refilled with fresh gas and the expired gas from the patient.

  • Page 123: Installation

    2.2 Installation Notes The Breathing System Block is matched to Aeon7800A it is attached to by calibration and installation. After removing the Breathing System Block from the Mounting Arm of Aeon7800A, assures that the Breathing System Block is returned to the same Aeon7800A that it came from originally.
  • Page 124 Remove the mounting arms from small box and install them onto Aeon7800A suing a 3mm alien wrench. Remove the keys from the parts box, and unlock Aeon7800A drawers and put parts box into top drawer. Remove AGSS and the Breathing System mount from the foam packaging, and install them onto Aeon7800A.

  • Page 125: High Pressure Hose

    Ensure that the serial number tag attached to the bag arm matches the serial number found on the package carbon. Install the Breathing System onto the arm on the left side of Aeon7800A by attaching it to the installed bracket.
  • Page 126 Install the absorber canister with a quarter turn of the lever at the bottom the absorber assembly, this ensures a tight seal. 2.2.8 Monitoring Products-Mounting and Electrical Connection Any monitoring system compatible with the GCX mounting system's swivel head may be mounted to Aeon7800A's arm.

  • Page 127: Installation Checkout Procedure

    Always make full use of all mounting fasteners and strap capturing devices when mounting monitors to Aeon7800A. After mounting a monitor to Aeon7800A, connect it to one of the AC outlets located on the rear of Aeon7800A. Turn on each monitor one at a time and ensure that the circuit breaker holds without tripping.
  • Page 128 Verify that the N O and O Line Pressure gauge shows the reading of the line pressure. Attach the cylinders to the Aeon7800A's yokes (O and N O or AIR). In the case where multiple cylinders of the same gas are required, attach one at a time.
  • Page 129 Repair Information Perform System Test. Power on Aeon7800A. Wait until the System Self-test is complete. Select CONTINUE to prompt to the Safety Valve test. FIGURE 2-2 Startup Self Test Perform Leak/Safety Valve Test. Follow the on-screen instructions. FIGURE 2-3 Leak Test Startup...
  • Page 130 Repair Information Select CONTINUE to start the test. FIGURE 2-4 Safety Valve Test Startup FIGURE 2-5 Safety Valve Test in Progress...
  • Page 131 Repair Information FIGURE 2-6 Safety Valve Passed Message After 3 seconds, the screen will prompt to the Leak Test. Perform Leak Test Follow the on-screen instructions. Select CONTINUE to start the test. FIGURE 2-7 Leak Test Startup...
  • Page 132 Repair Information FIGURE 2-8 Leak Test in Progress Select CONTINUE to prompt to the Compliance Test. FIGURE 2-9 Leak Test Results...
  • Page 133 Repair Information Perform Compliance Test Follow the on-screen instructions. Select CONTINUE to start the test. FIGURE 2-10 Compliance Test Startup FIGURE 2-11 Compliance Test in Progress...
  • Page 134 Repair Information Select CONTINUE to prompt to the Normal Screen. FIGURE 2-12 Compliance Results Oxygen Sensor Calibration Cautions Oxygen Sensor Calibration can be performed in all ventilation modes. Cautions The Oxygen Sensor Calibration is not displayed for UI software version 2.2.4 or lower. Cautions Don’t shake the Oxygen Senor during calibration.
  • Page 135 Repair Information Remove the Oxygen Sensor from the breathing circuit, and place it the auxiliary air outlet about 5-10 minutes, ensure that no air bubbles exit in the Oxygen Sensor. After the countdown of 180 seconds, and the voltage is tend to stable. Use the Navigation Knob, select CONTINUE and press the knob.
  • Page 136 For testing purposes always use a reusable breathing circuit. Ensure that the gas pressure for O O, and AIR are at 344.75 ±68.95kPa. Power on Aeon7800A. Attach a reusable-silicone-rubber breathing circuit to the Breathing System. Tightly connect the Y-fitting on the breathing circuit to the test port.
  • Page 137 Repair Information Verify that IPPV ADULT ventilator mode operates and that the tidal volume display reads within 15% of the IPPV set value. Notes For testing purposes always use a reusable breathing circuit. Attach a breathing circuit and breathing bag. Attach an adult test lung to the Y-fitting of the breathing circuit.
  • Page 138 Repair Information Verify that IPPV CHILD ventilator mode operates and that the tidal volume display reads within 10% of the IPPV set value. Notes Limit the volume in the test lung to provide sufficient airway pressure to satisfy the Low Peak Pressure alarm.
  • Page 139 1L/min. Set the N O flow to 1L/min. Set the AIR flow to 1L/min. Disconnect the O line supply to Aeon7800A, and Close the O cylinder. Verify that the flow of N O stops when O is lost.
  • Page 140 Ground Resistance (between the U-blade ground on any convenience outlet to the U-blade ground on the AC line cord). Withdraw the Power cable(s) from the convenience receptacles at the rear of Aeon7800A. Plug Aeon7800A into a Safety Analyzer. Connect the case ground lead of the analyzer to the U-blade ground of one of the convenience receptacles.
  • Page 141 Verify that the maximum leakage current does not exceed 300µA (0.3mA). Plug Aeon7800A into the safety analyzer. Attach the resistance-measuring probe on the analyzer to Aeon7800A U-blade ground on any convenience outlet. Invoke the resistance function on the safety analyzer, following the instructions for the analyzer.

  • Page 142: Repair Information

    This device uses high pressure compressed gas. When attaching or disconnecting backup gas cylinders, the user should always turn the cylinder valves slowly. Use Aeon7800A flow meters to bleed down the pressure, watching the cylinder gauge indicate the depleting cylinder pressure, before disconnecting the cylinder from the yoke.

  • Page 143: Special Tools Required

    3.4 Special Tools Required Part No. Name of Tools Quantity 1． Slotted Screwdriver (large，medium, small) 1 for each 2． Crisscross Screwdriver (large，medium, small) 1 for each 3． Inner Hexagon Spanner 4． Open spanner 5． Meter Screw drier 6． 5″ German-style external angle hook 7．...
  • Page 144 Repair Information 20． 130000471 Connector-1 21． 130006166 Manual air tightness test connector of integrated module component 22． 130006181 Test connector of expiratory valve 23． 130005546 Connector of device and repair kit-2 24． 130005547 Connector of device and repair kit-3 25． 130005700 Connector of device and repair kit-4 26．...
  • Page 145 41． 304000097 O- ring 12×1.8 42． 122003114 Four- connector assembly 43． 122003115 Connector assembly-1 44． 304000100 O- ring 18×1.8 45． 122003116 Connector assembly of expiratory valve test 46． 304000125 O- ring 30×1.8 47． 230000011 PU Tube 8/6（blue） V01.00...

  • Page 146: Troubleshooting Table

    3.5 Troubleshooting Table The following table shows symptoms and corrective actions for problems when troubleshooting Aeon7800A. The information given indicates failures during startup and runtime. Trouble Occurrence Phase Cause Analysis Solutions Startup test 1. The power supply switch is turned to ON, 1.Turn the power supply switch to OFF and power...
  • Page 147 3. The data wire is disconnected or damaged. 3. Check whether the data wire (signal wire at backside of display) is disconnected or is damaged. 4. BDU control board is defective. 4. Replace the BUD control board and perform each item of calibration and startup test again. 5.
  • Page 148 AD/DA FAIL Startup test 1. The AD or 4052 in the digital signal processor on 1. Replace the BDU control board, and perform BDU control board is damaged. each item of calibration and startup test again. Vent/Manual Valve Startup test 1.
  • Page 149 Keyboard Startup test 1. The data wire is disconnected or is damaged. 1. Check whether keyboard COM1 is correctly Communication connected. FAIL 2. The keyboard board is defective. 2. Replace the user interface assembly. Pressure Sensor Startup test 1. The connection wire of the PAW board is 1.
  • Page 150 6. The O sensor is not compatible with the amplifier 6. Replace the amplifier board. And then perform board. each item of the calibration and startup test again. 12/21/2010 V1.12...
  • Page 151 Trouble Occurrence Phase Cause Analysis Solutions PEEP Valve FAIL Startup test 1. The connection wire of the inspiration valve is 1. Check whether the PEEP valve is disconnected disconnected or damaged. or damaged. 2. The PEEP valve is defective. 2. Replace the PEEP valve. 3.
  • Page 152 2. The sensor board is defective. 2. Replace the sensor board and then perform each item of the calibration and startup test again. 3. Press O flush button during startup. 3. Do not press O flush button during startup. Flow Sensor FAIL Startup test 1.
  • Page 153 Trouble Occurrence Phase Cause Analysis Solutions Alarm Speaker Startup test 1. The connection wire to the speaker is disconnected 1. Check whether the connection wire of the FAIL or damaged. speaker is disconnected or damaged. 2. The speaker assembly is not connected. 2.
  • Page 154 3. The bellows moves downward. There are leaks 3. Reduce the pressure on some ports, such as CGO happened on some ports in the Breathing System. The port and 1.75 pressure regulator. pressure of 1.75bar pressure regulator is so high that leaks occur.
  • Page 155 In leakage Startup test 1. The tubing connection is not tight. 1. Check the connection on the tubing. detection, the leakage volume is 2. The absorber canister is not correctly connected. 2. Check the installation of the absorber canister. 400mL～1L. 3.
  • Page 156 fails. 2. The flow meter is set incorrectly. 2. Calibrate the flow meter again. 3. The respiration tubes are too long. 3. The respiration tubes cannot be too long, replace the long tubes. 4. The calibration of pressure sensor is inaccurate 4.
  • Page 157 2. A fuse is tripped. 2. Replace the fuse. Low Battery Runtime 1. Battery capacity is low. 1. Connect the battery to AC power. Make sure the battery is fully discharged and charged every 3 months. 2. The battery is not functional. 2.
  • Page 158 Trouble Occurrence Phase Cause Analysis Solutions The heating of the Runtime 1. Mains outlet is not connected correctly. 1. Check whether mains outlet is connected Breathing System correctly. fails. 2. The connection cables of the Breathing System are 2. Replace the connection cables of the Breathing defective.
  • Page 159 3. PEEP value is above the normal level. 3. Calibrate the PEEP valve again. 4. PEEP valve is not tightly connected. 4. Tighten the screw at the bottom of PEEP valve. V 01.00...
  • Page 160 Trouble Occurrence Phase Cause Analysis Solutions The V reading is Runtime 1. The compliance test isn't accurate after start-up. 1. Perform the compliance test again. out of tolerance. 2. The supply gas pressure is too low, so the VT is 2.
  • Page 161 9. The calibration of pressure sensor is inaccurate. 9. Recalibrate the flow sensor again. 10. The calibration of inspiratory valve is inaccurate. 10. Recalibrate the inspiratory valve again. 11. The sensor board 、 BDU is defective.(No flow rate 11. Replace the sensor board、BDU. wave) flush is Runtime...
  • Page 162 Trouble Occurrence Phase Cause Analysis Solutions The power switch 1. The power switch or the connection cable is 1. Replace the power switch or the connection on the main unit is defective. cable. non-functional. 2. The communication board is defective. 2.
  • Page 163 light is non- 2. The foil of light is defective. 2. Replace the foil of light. functional. 3. The inverter is defective. 3. Replace the inverter. 4. The flow meter light is still light after power off. 4. Replace the power board or replace the communication board.
  • Page 164 Trouble Occurrence Phase Cause Analysis Solutions The flow meter is 1. The maximum value of flow meter is far too low. 1. Adjust the throttle. defective. 2. The flow meter leaks. 2. Replace the flow meter. 3. The ratio of O and N O is inaccurate.
  • Page 165 5. The missing or incorrect of CMOS setting data leads 5. Recover CMOS default setting by short-circuit to main board inactivated. jumper JBAT1. 6. The connection cable of display screen is defective. 6. Replace the connection cable of the display screen.
  • Page 166 3. Noise of high pressure gas supply leads to low 3. Replace the reducing valve of high-pressure O pressure alarm. 4. Noise arises at the N O gas inlet. 4. Replace the N O cutoff-valve. 5. Noise arises as the bellows moving downside under 5.
  • Page 167 3.6 Flow Chart for Leak Test FIGURE 3-1 Leak Test Flow Chart...
  • Page 168 3.7 Flow Chart for Vt Test FIGURE 3-2 VT test Flow Chart...
  • Page 169 3.8 Check Valve Repairing The following tools should be provided before repairing check valve: open-end wrench(14mm) 、 inner hexagon spanner(4mm) 、 crosshead screwdriver 、 long flat nose pliers 、 socket key (12mm) 、 torque wrench 、 hexagon socket head screwdriver (3mm, use together with torque wrench) 、 243 glue 、 silicone grease and box staff.
  • Page 170 Rotate the bellows dome counterclockwise to remove it according to the indicator, and then remove the bellows from the bellows fixing plate. FIGURE 3-5 Check Valve Repairing FIGURE 3-6 Check Valve Repairing...
  • Page 171 Pull out the airway pressure gauge form the gauge stand. FIGURE 3-7 Check Valve Repairing Uplift the whole Breathing System until it can be completely remove from the support arm. FIGURE 3-8 Check Valve Repairing...
  • Page 172 Put the Breathing System on a clean and flat table. FIGURE 3-9 Check Valve Repairing Disconnect the corrugated tube from the absorber canister. FIGURE 3-10 Check Valve Repairing Rotate the two screws counterclockwise from the locking device using inner hexagon spanner (4mm), and the remove the locking device.
  • Page 173 FIGURE 3-11 Check Valve Repairing Remove the absorber canister, and remove the two connecting bars from it using open-end wrench (14mm). FIGURE 3-12 Check Valve Repairing...
  • Page 174 10. Loose the three screws located on the fixing plate of the absorber canister using crosshead screwdriver, and then remove the fixing plate. FIGURE 3-13 Check Valve Repairing 11. Remove the fifteen screws from the bottom panel of the Breathing System using hexagon socket head screwdriver (3mm).
  • Page 175 12. Use a socket key (12mm) together with a pneumatic connector to disassemble the panel from the Breathing System. FIGURE 3-15 Check Valve Repairing Put the socket key to the corresponding hole, insert and screw the pneumatic connector to the hole on the panel respectively.
  • Page 176 Uplift the pneumatic connector from the panel with hands. FIGURE 3-17 Check Valve Repairing 13. Take out the check valve from the installing hole using long flat nose pliers. FIGURE 3-18 Check Valve Repairing...
  • Page 177 14. Wiping the check valve disc repeatedly by cotton swab dipped with ethanol; make sure there is no stain left on the check valve. FIGURE 3-19 Check Valve Repairing FIGURE 3-20 Check Valve Repairing...
  • Page 178 15. Install the check valve disc in the check valve after cleaning. Spread silicone grease to the O-ring of the check valve. Notes Use even force when installing the check valve in case of damaging the O-ring. FIGURE 3-21 Check Valve Repairing Install the check valve to the corresponding holes by using long flat nose pliers.
  • Page 179 16. Cover the bottom panel of the Breathing System; install the fifteen screws to the corresponding holes by the hexagon socket head screwdriver (3mm). Notes As installing the fifteen screws, first of all, by using torque wrench(4mm), fasten the five screws in the middle of the panel, and then fasten the other screws in diagonal order to ensure even force have been put on the screws respectively.
  • Page 180 17. Put the fixing plate of the absorber canister to the corresponding position of the Breathing System. Notes Wiping the fixing plate dipped with ethanol for cleaning. Notes Make sure the holes of the fixing plate should be positioned to the corresponding place at the panel of the Breathing System.
  • Page 181 FIGURE 3-27 Check Valve Repairing FIGURE 3-28 Check Valve Repairing...
  • Page 182 After that, fasten the two connecting bars by open-end wrench (4mm). Insert the inner hexagon spanner (4mm) to the hole as fastening the connecting bar. Measure the height of the two connecting bars after fastening them. Readjust the height if there are differences.
  • Page 183 20. Install the absorber canister as shown in the picture. FIGURE 3-30 Check Valve Repairing FIGURE 3-31 Check Valve Repairing...
  • Page 184 FIGURE 3-32 Check Valve Repairing FIGURE 3-33 Check Valve Repairing...
  • Page 185 21. Spread 243 glue to the two hexagon socket head screws, drill them through the installing holes at the locking device respectively, and fasten the screws to the holes at the two connecting bars by inner hexagon spanner (4mm). FIGURE 3-34 Check Valve Repairing FIGURE 3-35 Check Valve Repairing...
  • Page 186 22. Spread silicone grease to the orifice of the corrugated tube, and insert it the port at the absorber canister. Notes Insert the corrugated tube to the bottom and make sure it is not twisty when connecting the corrugated tube. FIGURE 3-36 Check Valve Repairing FIGURE 3-37 Check Valve Repairing 23.
  • Page 187 FIGURE 3-38 Check Valve Repairing 24. Insert the airway pressure gauge to the airway pressure gauge. FIGURE 3-39 Check Valve Repairing...
  • Page 188 25. Install the bellows to the bellows fixing plate; rotate the bellows dome clockwise to fasten it on the Breathing System. FIGURE 3-40 Check Valve Repairing FIGURE 3-41 Check Valve Repairing...
  • Page 189 26. Connect the pneumatic hose and CGO tube to the machine and the Breathing System respectively. FIGURE 3-42 Check Valve Repairing 27. Connect the driving gas tube and heating wire to the ports respectively at the bottom of the Breathing System.
  • Page 190 28. Check the air tightness after installation. Checking method: adjust the O flow to 0.1L/min, block the bag port with hand, and observe the reading at the airway pressure gauge. The Breathing System is in good condition if the reading increases gradually. FIGURE 3-44 Check Valve Repairing FIGURE 3-45 Check Valve Repairing...
  • Page 191 The method for disassembling and repairing of gas box is shown in the following: Make sure AC line cord is disconnected an d unit is in OFF position.Remove 5 screws securing the gas box panel, and remove the panel. FIGURE 3-46 Aeon7800A Gas Box Panel Position...
  • Page 192 Remove 6 screws securing the AC Input Panel. Disconnect Cable#35(from AC Input Panel) from Cable#36(from Power Switch). Remove the panel. Notes It is only necessary to remove the AC Input Panel when replacing the flow sensor assembly. As necessary, proceed to next step. FIGURE 3-47 Aeon7800A AC Input Panel Position...
  • Page 193 Perform the appropriate sequeces listed below: gas drive module replacement 、 O pressure regulator replacement 、 sensor board replacement 、 PEEP valve and flow sensor assembly FIGURE 3-48 Aeon7800A Gas Drive Assembly Position Drive Gas Module Replacement Disconnect tubing from left side (#35, 36 & 38) of module.
  • Page 194 Connect tubing #3 to the back connector on the right side. Connect tubing #1 to the front connector on the right side. Pressure Regulator Replacement FIGURE 3-49 Aeon7800A O Pressure Regulator Position Unscrew the (2) fittings securing the (2) tubing to the regulator.
  • Page 195 Remove Pressure Meter and reinstall tubing #38 to the left side of regulator. Sensor Board Replacement FIGURE 3-50 Aeon7800A Sensor Board Position Remove (4) tubing (#29, 9, 11 & 10) on the Inspiratory and Expiratory Sensors respectively. Disconnect 25-pin connector.
  • Page 196 • Tubing #10 to Insp Lo PEEP Valve Replacement FIGURE 3-51 Aeon7800A PEEP Valve Position Remove (2) tubing (#34 & 7) connected to left side of valve. Remove (1) tubing (#33) connected to front side of valve. Remove (1) tubing (#31) connected to right side of valve.
  • Page 197 FIGURE 3-52 Aeon7800A Flow Sensor Position Unscrew (2) connectors securing tubing. Cut tie wrap securing flow sensor assembly to chassis. Remove (4) screws securing the Gas Box to the chassis. Remove (2) screws securing the Gas Box to the Gas Input Block.

  • Page 198: Replacement Parts And Accessories

    Include a description of the item. 4.4 Part List Serial No. Part Name Part No. Caster, with Brake 240000036 Caster, without Brake 240000035 Scavenger System,AEON7800A 122001550 Drawer Assy 122001687 AGSS Transfer Hose (long) 122001806 Rail, Right Side 130004002 Cable, Heater...
  • Page 199 Ring, I/E Valve 130004101 Serial No. Part Name Part No. Disc, Ceramic I/E Valve 130004102 Absorber Hose fitting 130004064 Absorber Mount Assy 122001749 Absorber Canister Assy 122001754 Gasket, Absorber 130003228 Screen, Metal 130004098 Canister, Soda Lime 130004075 Bellows Assy 122001756 Cover, Bellows 130004086 Absorber Hose...
  • Page 200 Keypad Overlay 130004004 Cable, Comm PCB to Display Panel 122001784 Speaker Assy 122001805 PCB RS232 122001407 PCB, Communications 122001403 Cable, PC104 PCB to Display 122000598 LCD Display 210000138 Serial No. Part Name Part No. New PC104 210002146 Em104-i423dv1/128M Inverter, LCD 210000139 Rail Stop 130004000...
  • Page 201 Vaporizer Storage Mount 122001725 Gauge Assy, O High Pressure 122001726 Gauge Assy, Air High Pressure 122001728 Gauge Assy, N O High Pressure 122001730 Gauge Assy, O , Line Pressure 122001727 Gauge Assy, Air, Line Pressure 122001729 Gauge Assy, N O, Line Pressure 122001731 Switch, Terminal, Main 210001744...
  • Page 202 PCBd Assy, Sensor 122001406 Restrictor, 2000mL 131000007 Regulator Assy, O , High Pressure 122001722 Regulator Assy, Air, High Pressure 122001723 Regulator Assy, N O, High Pressure 122001724 Yoke, N 122001721 Yoke, Air 122001720 Yoke, O 122001719 Frame, Yoke Support 130003982 100.
  • Page 203 116. Retainer Ring, Bag Arm 130004025 117. O Ring, Vaporizer Mount 304000044 118. Key, Drawer 220000290 119. Label, Flow Meter O 130003963 120. Label, Flow Meter Air 130003964 121. Label, Flow Meter N 130003965 122. Washer, Seal 220000280 123. Bag arm assembly(tall) 122002573 124.
  • Page 204 Absorber Mount Handle 122003092 157. Idler Gear Shaft 130003940 158. Grease, Silicone, high vacuum 230000273 159. Kit, Check Valve ring,AEON7800A 122002966 160. I/E Check valve seat, SS ring compatible 130006515 161. I/E Check valve ring, SS 130006265 162. I/E Check valve assembly, SS 122001762 163.
  • Page 205 167. Mount, Caster, Machined, AEON7800A 240000440 168. Flow Meter, FM410(U) Assy 121000273 169. O Cutoff Valve Subassy 122002922 170. Breathing System, AC140 Plus 122003212 171. Grease, Silicone, high vacuum 122001401 172. PC Bd Assy, BDU 122001404 173. PCB, Communications 122001403 Serial No.

  • Page 207: General Guidelines

    Perform steps in order given. Do not skip any steps unless noted. Understand each step of the procedure thoroughly before performing the procedure. Before removing or replacing any circuit boards, disconnect Aeon7800A from line power, switch the Mains Switch to the OFF position, and disconnect the negative terminal from the battery.
  • Page 208 Calibration Notes Only 21% oxygen concentration calibration is successfully preceded, can 100% calibration be performed. Notes The oxygen sensor voltage is displayed during the calibration. This is the amplified oxygen cell at the A/D converter for the oxygen sensor. The oxygen sensor voltage is not displayed for UI versions 2.24 and lower.
  • Page 209 21% Oxygen Sensor Calibration Press MENU key, rotate the navigation knob to enter SERVICE menu. The password for entering SERVICE is 2010. FIGURE 5-1 SERVICE Menu As CALIBRATION is highlighted under white background, press the navigation knob to select. FIGURE 5-2 Calibration Interface...
  • Page 210 Calibration As O SENSOR is highlighted under white background, press the navigation knob to select. FIGURE 5-3 Oxygen Sensor Calibration Follow the on-screen instructions. FIGURE 5-4 21% Oxygen Sensor Calibration Instructions...
  • Page 211 Select NEXT to start 21% oxygen sensor calibration. FIGURE 5-5 21% Oxygen Sensor Calibrating Proceed based on one of the following two conditions: If the calibration is successful, the screen shown in FIGURE 5-6 will be displayed, instructing the user to reinstall the oxygen sensor into the Breathing System. Select DONE button to complete the process.
  • Page 212 Calibration If the calibration fails, the screen shown in FIGURE 5-7 will be displayed, instructing the user to either repeat the calibration or to replace the oxygen sensor. If the oxygen sensor must be replaced, select the exit button, replace the oxygen sensor using a push and turn motion, and then repeat the calibration.
  • Page 213 Select NEXT to start 100% oxygen sensor calibration. FIGURE 5-9 100% Oxygen Sensor Calibrating Proceed based on one of the following two conditions: a.a) If the calibration is successful, the screen shown in FIGURE 5-10 will be displayed, instructing the user to install the oxygen sensor on the Breathing System, select DONE to return to the calibration main screen.

  • Page 214: Flow Sensor Calibration

    Calibration a.b) If the calibration fails, the screen shown in FIGURE 5-11 will be displayed, instructing the user to either repeat the calibration or to replace the oxygen sensor. FIGURE 5-11 100% Oxygen Sensor Calibration Fails 5.4.2 Flow Sensor Calibration Notes The flow should not be fluctuating during the calibration.
  • Page 215 Use Aeon7800A test plug to block the bag port. FIGURE 5-13 Blocking the bag port Calibration a.a) Press MENU key and rotate the navigation knob to enter SERVICE menu. Input the password 2010 as password option appearing on the right side of the menu.
  • Page 216 Calibration a.b) As CALIBRATION is highlighted under white background, press navigation knob to select. FIGURE 5-15 Calibration Menu a.c) As FLOW SENSOR is highlighted under white background, press the navigation knob to select. FIGURE 5-16 Flow Sensor Calibration Option...
  • Page 217 a.d) Follow the on-screen instructions. FIGURE 5-17 Flow Sensor Calibration Instructions 1 FIGURE 5-18 Flow Sensor Calibration Instructions 2 FIGURE 5-19 Flow Sensor Calibration Fixture...
  • Page 218 Calibration a.e) Select NEXT to start flow sensor calibration. FIGURE 5-20 Flow Sensor Calibration a.f) As the flow value is highlighted under white background, press the navigation knob to select any value( 0 ～ 10 、 30 、 50 、 70) for calibrating. Press DONE to start calibration. FIGURE 5-21 Flow Sensor Calibration a.g) If the calibration is successful, the corresponding value being calibrated will be yellow, select...
  • Page 219 5.4.3 Flow Valve Calibration Notes A 2.3L bag can be used in place of a 3L bag. Notes The flow valve calibration duration is approximately 5 minutes. Press MENU key and rotate the navigation knob to enter SERVICE menu. Input the password 2010 as password option appearing on the right side of the menu FIGURE 5-22 SERVICE Menu As CALIBRATION is highlighted under white background, press the navigation knob to select.
  • Page 220 Calibration As FLOW VALVE is highlighted under white background, press the navigation knob to select. FIGURE 5-24 Flow Valve Calibration Option Follow the on-screen instructions. FIGURE 5-25 Flow Valve Calibration Instructions 1...
  • Page 221 FIGURE 5-26 Flow Valve Calibration Instructions 2 Select NEXT to start flow valve calibration. FIGURE 5-27 Flow Valve Calibrating...
  • Page 222 Calibration Proceed based on one of the following two conditions: a.a) If the calibration is successful, select DONE to return to the Main Service Menu. FIGURE 5-28 Flow Valve Calibration Successful a.b) If the calibration fails, the screen shown in FIGURE 5-28 will be displayed, instructing the user to either repeat the calibration or return to the Main Service Menu.
  • Page 223 5.4.4 PAW Sensor Calibration 0cmH O Calibration As PAW SENSOR is highlighted under white background after returning to the Main Service Menu, press the navigation knob to select. FIGURE 5-30 0cmH O PAW Sensor Calibration Option Follow the on-screen instructions. FIGURE 5-31 0cmH O PAW Sensor Calibration Instructions...
  • Page 224 Calibration Select NEXT to start 0cmH O PAW sensor calibration. FIGURE 5-32 0cmH O PAW Sensor Calibrating Proceed based on one of the two following conditions:  If calibration is successful, select NEXT to perform the 30cmH O calibration. FIGURE 5-33 0cmH O PAW Sensor Calibration Successful...
  • Page 225  If calibration fails, select CANCEL to return to Main Calibration Menu, or repeat the 0cmH O calibration. FIGURE 5-34 0cmH O PAW Sensor Calibration Failed 30cmH O Calibration a.a) Follow the on-screen instructions. FIGURE 5-35 30cmH O PAW Sensor Calibration Instructions...
  • Page 226 Calibration a.b) Select NEXT to start 30cmH O PAW sensor calibration. FIGURE 5-36 30cmH O PAW Sensor Calibrating a.c) Proceed based on one of the two following conditions:  If calibration is successful, select DONE to return to the Main Service Menu. FIGURE 5-37 30cmH O PAW Sensor Calibration Successful...

  • Page 227: Peep Valve Calibration

     If calibration fails, select CANCEL to return to the Main Service Menu, or repeat the 30cmH O calibration again. FIGURE 5-38 30cmH O PAW Sensor Calibration Failed 5.4.5 PEEP Valve Calibration As PEEP VALVE is highlighted under white background after returning to the Main Service Menu, press the navigation knob to select.
  • Page 228 Calibration Follow the on-screen instructions. FIGURE 5-40 PEEP Valve Calibration Instructions Select NEXT to start PEEP valve calibration. FIGURE 5-41 PEEP Valve Calibrating...
  • Page 229 Proceed based on one of the two following conditions: If calibration is successful, select DONE to return to the Main Service Menu. FIGURE 5-42 PEEP Valve Calibration Successful If calibration fails, select CANCEL to return to the Main Service Menu, or repeat PEEP valve calibration.

  • Page 230: Flow Meter Calibration

    Calibration 5.4.6 Flow Meter Calibration Notes When calibrating the flow meter, use AIR if available; otherwise use a combination of O O to attain a flow at 15L/min. As FLOW METER is highlighted under white background after returning to the Main Service Menu, press the navigation knob to select.
  • Page 231 a.i) As the value is highlighted under white background, press the navigation knob to select any value( 0 ～ 15) for calibrating. Press DONE to start flow meter calibration. FIGURE 5-46 Flow Meter Calibration 1 FIGURE 5-47 Flow Meter Calibration 2...
  • Page 232 Calibration If the calibration is successful, set fresh gas flow to 0L/min, and select DONE to return to the Main Service Menu. FIGURE 5-48 Flow Meter Calibration Successful If the calibration fails, the corresponding value displays red, select CANCEL to return to the Main Service Menu, or repeat the flow meter calibration.

  • Page 233: Leakage Detection

    After restarting, select Continue to enter the Leakage Detection screen. Connect the Y-fitting to the Aeon7800A's test port, and use Aeon7800A's test port to block the bag port. Adjust the APL valve to 30 O and close the flow meter. Then, select Continue to prompt to the next screen.

  • Page 234: Periodic Maintenance

    6.1 Periodic Maintenance 6.2 Maintenance Schedule The following is a list of activities required for periodic maintenance of Aeon7800A. Physical inspection, replacement of consumables and performance checks should be periodically performed per the schedule listed below. Certain calibration adjustments are required only after replacing one or both of the active devices.

  • Page 235: Replacement Of Consumable Parts

    6.5 Replacement of Consumable Parts Serial Consumable Parts Every Every Every Part No. Months Months Months sensor Not Needed Replace Replace 210000141 O-ring O interface/ O plug Not Needed Replace Replace 304000105 Battery assembly Not Needed Check Replace 210001627 Silica gel screwed conduitφ17 Clean Clean Replace...

  • Page 236: Battery Maintenance And Replacement

    6.6.1 Battery Maintenance Aeon7800A uses a sealed lead-acid battery. Due to the self-discharge characteristics of this type of battery, it is imperative that it is charged after 3 months of storage or after extended periods of non- use. If not charged, a permanent loss of capacity may occur as a result of sulfation.

  • Page 237: Gas Delivery System Tests

    When verifying /setting the pressure of the pressure regulators, it is necessary to have a regulator calibration hose attached to the pressure meter. Open the gas cover panel. Remove the drive pressure source form Aeon7800A. Disconnect the input hose from the proportional valve. Connect a digital pressure meter to the proportional valve input hose.

  • Page 238: Start-Up Tests

    Verify no gas is escaping from any of the three central supply high pressure hoses connected to Aeon7800A using a digital flow meter. Verify there is no external damage to the gas supply inlet coupling on Aeon7800A. Reattach each central supply gas hose to the wall supply inlets.

  • Page 239: Breathing System Checks

    6.11.1 Internal Gas Connections Test Close and remove all gas cylinders from Aeon7800A. Connect only the AIR line pressure hose to Aeon7800A from the wall supply. Leave all other line pressure hoses disconnected. With Aeon7800A powered OFF, rotate the AIR flow control knob to ensure a continuous flow increase throughout its full range.

  • Page 240: Performance Verification

    Periodic Maintenance Interrupt the O supply to Aeon7800A. Verify that the flow of N O and O stops within 2 minutes and that the flow of AIR (if available) continues to flow at 2L/min. Verify the following alarms are activated: ...
  • Page 241 6.12.5 IPPV Adult Ventilation Mode Test Notes For testing purposes always use a reusable breathing circuit. Attach a breathing circuit and breathing bag. Attach an adult test lung to the Y-fitting of the breathing circuit. Attach a vent tester between the expiratory port and the expiratory hose. Set the O flow to 2L/min and set the N O and AIR flow rates to minimum flow.
  • Page 242 Periodic Maintenance 6.12.6 IPPV Child Ventilation Mode Test Notes Limit the volume in the test lung to provide sufficient airway pressure to satisfy the Low Peak Pressure alarm. Or reduce the Peak Pressure alarm limit to a lower valve to prevent the alarm when using an adult test lung.

  • Page 243: Airway Disconnect Alarm Test

    6.12.7 Airway Disconnect Alarm Test While the ventilator is running, disconnect the expiratory limb from the expiratory port on the Breathing System. Verify the following airway pressure disconnect alarm signals activate:  APNEA message appears on the screen.  Low Airway Pressure message appears on the screen. ...

  • Page 244: Pressure Support (Ps) Ventilation Mode Test

    Periodic Maintenance 6.12.9 Pressure Support (PS) Ventilation Mode Test Notes For testing purposes always use a reusable breathing circuit. Attach a breathing circuit and breathing bag. Attach an adult test lung to the Y-fitting of the breathing circuit. Attach a vent tester between the expiratory port and the expiratory hose. Set the O flow to 1L/min and set the N O and AIR flow rates to minimum flow.

  • Page 245: Alarms And Failsafe Functions

    For testing purposes always use a reusable breathing circuit. Ensure that the gas pressure for O O and AIR are at 50±10psi. Power ON Aeon7800A. Perform the Startup Tests per the on-screen instructions. Ensure successful completion. Attach a breathing circuit and breathing bag.
  • Page 246 An alarm tone sounds.  AC Power Failure message appears on the screen. Verify that a fully charged battery operates the ventilator for a minimum of 45 minutes. Plug Aeon7800A into AC line voltage. Verify that the alarm signals cease.
  • Page 248 Verify that vaporizers are mounted correctly. Ensure that the gas pressure for O O and AIR are at 50±10psi. Power ON Aeon7800A. Attach a reusable-silicone –rubber breathing circuit to the Breathing System. Tightly connect the Y-fitting on the breathing circuit to the test port.

  • Page 249: Electrical Tests

    Perform the electrical safety inspection as the last step after completing a repair or after routine maintenance. Perform this inspection with all covers, panels, and screws installed. Unplug the power cables from the convenience receptacles at the rear of Aeon7800A. Plug Aeon7800A into a safety analyzer.

  • Page 250: Cleaning And Disinfection

    Periodic Maintenance 6.17 Cleaning and Disinfection Warnings Before cleaning switch off Aeon7800A and disconnect it from the mains. Warnings Use a cleaning and sterilizing schedule that conforms to your institution’s sterilization and risk-management policies. • Refer to the material safety data policy of each agent.
  • Page 252 Periodic Maintenance Cautions Never immerse the circuit O sensor or flow sensor connector in the liquid. • Never dispose the circuit O sensor connector by using hot press. • Do not clean the inner surface of the flow sensor. Clean the outer surface by using a damp cloth.
  • Page 253 Step 2: Turn the screw caps of the fresh gas outlet and CGO clockwise, and remove them respectively. FIGURE 6-3 Breathing System Disassembly Step 3: Unplug the AGSS corrugated tube at the bottom of the Breathing System. FIGURE 6-4 Breathing System Disassembly Step 4: Unplug the airway pressure gauge form its base;...
  • Page 254 Periodic Maintenance Step 5: Unplug the sensor cable connecting at the side of Aeon7800A. FIGURE 6-6 Breathing System Disassembly Step 6: Rotate the valve retaining ring counterclockwise, and remove the valve retaining ring together with the valve dome, and then remove O-ring.
  • Page 255 6.17.3 Bellows Disassembly The bellows should be disassembled before perform cleaning, disinfecting and parts replacement. The ways on bellows disassembly is shown as follows: Step 1: Rotate the bellows dome clockwise until it is completely separated from the base, and then remove it.
  • Page 256 Periodic Maintenance Step 2: Remove the bellows from its plate, and then remove the plate at the top of the bellows. Notes Hanging the bellows by fully spread it. If moisture is left in the bellows, the bellows may become tacky. Notes Do not immerse the bellows to warm water for more than 15 minutes in case of material inflation or aging.
  • Page 257 Step 3: Remove the latex ring at the bellows fixing plate. FIGURE 6-10 Breathing System Disassembly FIGURE 6-11 Breathing System Disassembly...
  • Page 258 Periodic Maintenance 6.17.4 Methods for Cleaning and Disinfecting A: Wiping(Glutaraldehyde-based formulation of 2%; isopropyl alcohol at 70% ～ 90%) B: Washing Machine (Wet pasteurization at 70℃, 158℉, for 30 minutes after detergent cleaning) C: Immersion (Glutaraldehyde-based formulations of 2%) D: Autoclaving (Including steam r hot air at 134℃, 273℉). Use your manufacturer’s or your facility’s recommendations.
  • Page 259 Flow sampling detector Absorber canister Bellows dome Bellows Bellows gasket AGSS AGSS transfer tube...

  • Page 260: How To Get Assistance

    If operational problems continue to exit, contact the Service Department for technical support. Contact Details: Beijing Aeonmed Co., Ltd. Address: No.4 Hangfeng Road, Fengtai Science Park, Fengtai District, Beijing, China 100070 Tel:...

Table of Contents