Aeonmed Aeon7400A Service Manual

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Aeon7400A Service Manual

Contents.........................................................................................................................................................i

Introduction ............................................................................................................................................. 1

1.1

Symbols....................................................................................................................................... 2

1.2

Warranty considerations .............................................................................................................. 3

Description .............................................................................................................................................. 4

2.1

General description...................................................................................................................... 4

2.2

Features of Aeon7400A............................................................................................................... 4

2.3

Specification................................................................................................................................ 5

Checking ................................................................................................................................................. 6

3.1

Preoperative Checkout procedures .............................................................................................. 6

3.2

Testing the gas supply pipeline and the gas cylinder................................................................... 8

3.3

Monitoring Flow Control .......................................................................................................... 10

3.4

Installing and testing of vaporizer ............................................................................................. 14

3.5

Testing alarm ............................................................................................................................. 15

3.6

Testing the Breathing System.................................................................................................... 16

3.7

Testing Ventilator....................................................................................................................... 17

Theory and Diagram.............................................................................................................................. 19

User Maintenance.................................................................................................................................. 21

5.1

Repair Policy ............................................................................................................................. 22

5.2

Maintaining Outline and Schedule ............................................................................................ 23

5.3

Replacing fuses ......................................................................................................................... 24

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Page 1: Table Of Contents
Introduction ............................. 1 Symbols............................2 Warranty considerations ......................3 Description .............................. 4 General description........................4 Features of Aeon7400A....................... 4 Specification..........................5 Checking ..............................6 Preoperative Checkout procedures ....................6 Testing the gas supply pipeline and the gas cylinder..............8 Monitoring Flow Control ......................10 Installing and testing of vaporizer .....................
Page 3: Introduction
This manual is intended for use only by technicians who have successfully completed Beijing Aeonmed Co., Ltd training on this product. Beijing Aeonmed Co., Ltd believes the information herein is accurate but accepts no responsibility for errors, omissions, or misrepresentation.
Page 4: Symbols
Aeon7400A Service Manual 1.1 Symbols Warnings and Cautions indicate all the possible dangers in case of violation of the stipulations in this manual. Refer to and follow them. : indicates potential hazards to operators or patients WARNING : indicates potential damage to equipment CAUTION Instead of illustrations, other symbols may also be utilized.
Page 5: Warranty Considerations
Do not make any service repairs on this equipment during the states warranty period. Any unauthorized work immediately voids the warranty. Aeonmed will not be liable for any repairs attempted by the owner. Any such attempted repairs other than specified no warranty repairs void...
Page 6: Description
Depending upon the patient circuit selected, the machines can be used in semi closed or closed circuit configurations. Aeon7400A is applicable for patient of over 300mL with standard set and for child of over 80mL with bellows assembly and circles of child.
Page 7: Specification
Aeon7400A Service Manual 2.3 Specification Power Power line 220V±22V, 50Hz±1Hz Fuses φ5×20, 0.5A（F） φ5×20, 5A（F） φ5×20, 2A（F） Power usage <=50W Type Positive pressure volume Protection against electrical Type of protection: class I shock Degree of protection: Type BF Gas input...
Page 8: Checking
Aeon7400A Service Manual 3 Checking Preoperative Checkout procedures Preoperative Checkout should be done in the following situation: Test interval Before the first patient’s use everyday. Before every patient’s use. Perform the programs according to requirements after repair or maintenance. Test schedule is given in the table below:...
Page 9 Aeon7400A Service Manual 3.1.1 System Checkout WARNING make sure the breathing circuit is connected correctly and in good condition. Make sure: Equipment is in good condition. All the components are correctly connected. Breathing circuit is correctly connected and in good condition; there is sufficient absorbent in the breathing system.
Page 10: Testing The Gas Supply Pipeline And The Gas Cylinder
Aeon7400A Service Manual Testing the gas supply pipeline and the gas cylinder CAUTION A user must confirm that gas supply is connected correctly; there is no any disconnection, leakage, faulty connection in gas circuits and pressure indicates correctly. Stop using and check gas connections if abnormal.
Page 11 Aeon7400A Service Manual Begin to record the pressures after one minute. If O pressure drops to 5000 kPa, it means there is a leakage: • If leakage exists, according to direction of section 5.5, replace a new sheet gasket, and then tighten T handle.
Page 12: Monitoring Flow Control
Aeon7400A Service Manual Monitoring Flow Control WARNING Refer to Step 1 to 13 of monitoring without oxygen for monitoring without oxygen. Refer to Step 1 to 13 of monitoring with oxygen for monitoring with oxygen. 3.3.1 Monitoring without oxygen WARNING The monitoring system cannot be replaced by link system.
Page 13 Aeon7400A Service Manual WARNING During Step 5 to Step 6, keep link systems working state. Only adjust testing of control (N O in step 5 and O in step 6). Adjust flow according to order (N O firstly O secondly).
Page 14 Aeon7400A Service Manual 3.3.2 Monitoring with Oxygen WARNING The monitoring system cannot be replaced by link system. The fresh gas containing enough oxygen may not avoid the existence of low oxygen mixture in the breathing circuit. If N O exists, it will pass through the system during the test, which should be securely collected and removed according to safe and eligible methods.
Page 15 Aeon7400A Service Manual To test the flow increase of the link system: • Turn clockwise the N O and O flow control till the end (minimum flow). • Turn counterclockwise the N O flow control slowly. • Make sure that the oxygen flow is increasing. The concentration of the oxygen tested must ≥...
Page 16: Installing And Testing Of Vaporizer
Aeon7400A Service Manual Installing and testing of vaporizer 3.4.1 Installation WARNING Do not take the vaporizer away from the bypass valve with its locking lever locked. Do not use more than one vaporizer at the same time in this system.
Page 17: Testing Alarm
Aeon7400A Service Manual Testing alarm Connect reservoir bag to patient end. Set bag/ventilator switch to ventilator control. Turn on mains switch. Set control options: Ventilation mode: IPPV mode Ventilator: : 700ml f: 20bpm I:E: 1:2 Anesthetic machine: flow: minimum flow (25-75mL/min)
Page 18: Testing The Breathing System
Aeon7400A Service Manual Testing the Breathing System Refer to the operating manual and: Verify the non-return valve in the Breathing circuit module works normally: The non-return exhalation valve will ascend during the exhalation period while it will descend during the inhalation period.
Page 19: Testing Ventilator
Aeon7400A Service Manual Testing Ventilator Connect the test lung to the patient circuit port. Set the Reservoir bag / Ventilator switch to the Reservoir bag position. Turn on mains switch. Set control options: Ventilation mode: IPPV mode Ventilator: : 700ml...
Page 20 Aeon7400A Service Manual 12 Ensure that the things in the following table should be prepared completely. Apparatus: Airway maintenance Manual ventilation Organ cannula anesthesia and emergent drugs applicably 13 System preparation: • Close all vaporizers. • Open the APL valve.
Page 21: Theory And Diagram
Aeon7400A Service Manual 4 Theory and Diagram...
Page 22 Aeon7400A Service Manual O cylinder 24 Manual reservoir bag O Pipeline 25 APL valve (0.19 to 0.6kPa) cylinder 26 Flowmeters pipeline 27 Vaporizer 5 Pressure Gauge 28 O flush 6 at most two cylinders 29 Micro-checkvalve 7 Cylinder gas supply: input=2.5MPa to 30 Pressure relief valve 10MPa;...
Page 23: User Maintenance
Aeon7400A Service Manual 5 User Maintenance WARNING To avoid fire: Use the lubricant approved for anesthesia or O equipments’ use. Never oil or grease any anesthesia or O equipment. In general, oils and greases oxidize readily, and – the presence of O –...
Page 24: Repair Policy
It is recommended that you replace damaged parts with components manufactured or sold by Aeonmed. After any repair work, test the unit to ensure it complies with the manufacturer’s published specifications. Contact the nearest Aeonmed Service Center for service assistance. In all cases, other than where Aeonmed’s warranty is applicable, repairs will be made at Aeonmed’s current list price for...
Page 25: Maintaining Outline And Schedule
Aeon7400A Service Manual Maintaining Outline and Schedule The following schedule is a recommended minimum standard based upon normal usage and environmental conditions. Frequency of maintenance for the equipment should be higher if your actual schedule is more than the minimum standard.
Page 26: Replacing Fuses
Aeon7400A Service Manual 5.3 Replacing fuses WARNING Disconnect from power supply before replacing fuses, otherwise that can injure operator even death. WARNING Replace fuses with only those of the specified type and current rating, otherwise that can damage the equipment.

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