Disassembling Guide for Ex-55/65

2

International Customer Service Department

Mindray CO. Ltd.

2008.09 (Ver 1.1)

MINDRAY

Content

Table Caption: This table presents a disassembly guide, outlining the steps for removing various circuit and pneumatic components of a device, along with references to diagrams for electrical and pneumatic connections.

Mindray Medical International Limited

Warning

To help prevent fires, only use lubricants approved for anesthesia or O2 equipment.

Do not use lubricants that contain oil or grease. They burn or explode in high O2 concentrations.

Obey infection control and safety procedures. Used equipment may contain blood and body fluids.

Movable parts and removable components may present a pinch or a crush hazard. Use care when moving or replacing system parts and components.

Use care when disassembling the parts with sharp edges to avoid cuts.

Pay attention to the screws during the disassembly to prevent screws from falling into the inside of the equipment. Failure to do so may cause short circuit.

Make sure to bleed gas pressure before disassembling pneumatic fittings to avoid personal injury caused by high pressure gas.

Note

When re-assembling, inspect all parts for deterioration. Replace them if necessary. Use appropriate screws and parts.

After repairs are completed or parts replaced, you are required to perform the checkout procedure. Please refer to Service Manual PART 4 'Checkout and Test'.

Mindray Medical International Limited

1 Tools

During disassembling and replacing, the following tools may be required:

Inner hexagon wrench

Electric screwdriver

Diagonal pliers

Flathead screwdriver

Drawer spacing fixer

M4 sleeve screwdriver

Flow meter positioning fixture

Adjustable wrench

Tweezers

2

Preparations for Disassembly

Before disassembly,

1. Make sure:

The anesthesia machine is stopped.

Bleed the gas pressure from the anesthesia machine as described below.

Disconnect the AC power supply.

Disconnect all pipeline and cylinder gas supplies.

Prepare the tools required for disassembly.

Maneuver the anesthesia machine to an appropriate location and then step the four caster brakes to fix the machine.

2. Bleeding Gas Pressure

Make sure to bleed the gas pressure from the anesthesia machine before disassembling pneumatic fittings to avoid personal injury or equipment damage. Bleed gas pressure as follows:

1. Set the system switch to ON.
2. Close other cylinder valves and disconnect pipeline gas supplies. Do not disconnect the O2 pipeline. If pipeline O2 is not available, connect O2 cylinder and open the O2 cylinder valve.
3. Turn the flow controls for all gases (except O2) to the minimum flow.
4. Ensure that all cylinder and pipeline pressure gauges read zero.
5. Disconnect the O2 pipeline supply (or close the O2 cylinder valve). Press the O2 flush button to bleed O2 from the system.
6. Set the system switch to OFF.

MINI

3

Circuit System Disassembly

3.1 Remove the Top Panel

• 1 Pry up the eight screws