Honda Accord: System Evacuation - Heating/Air Conditioning - Heating, Ventilation, and Air Conditioning - Honda Accord MK8 2008-2012 Service ManualHonda Accord: System Evacuation

• Air conditioning refrigerant or lubricant v a p o r c an irritate your eyes, nose, or throat.

•Be careful when connecting service equipment.

• Do not breathe refrigerant or vapor.

NOTE; • If accidental system discharge occurs, ventilate the work area before resuming service.

• Additional health and safety information may be obtained from the refrigerant and lubricant manufacturers.

• Do not allow moisture to contaminate the A/C system oil. Moisture in the oil is difficult to remove, and it can  damage the A/C compressor.

1.When an A/G system has been opened to the atmosphere, such as during installation or repair, it must be evacuated using an R-134a refrigerant recovery/recycling/charging station. If the system has been open for several days, the receiver/dryer should be replaced, refrigerant oil should be drained and replaced with new oil, and the system should be evacuated for several hours.

2. Connect a n R-134a refrigerant recovery/recycling/charging station (A) to the high-pressure service port (B) and the low-pressure service port (C), as shown, following the equipment manufacturer's instructions. Recover the refrigerant, if any, from the A/C system (see page 21-80).

3. Evacuate the system. The vacuum pump should run


3. Evacuate the system. The vacuum pump should run for a minimum of 45 minutes to eliminate all moisture from the system. When the suction gauge reads -93.3 kPa (-700 mmHg, -27.6 inHg) for at least 45 minutes, close all valves, and turn off the vacuum pump.

4. If the suction gauge does not reach approximately - 9 3 . 3 kPa (-700 mmHg, -27.6 inHg) in 15 minutes, there is probably a leak in the system. Partially charge the system, and check for leaks (see page 21-82).

    Refrigerant Recovery
    • Air conditioning refrigerant or lubricant vapor can irritate your eyes, nose, or throat. • Be careful when connecting service equipment. •Do not breathe refrigerant or vapor. ...

    System Charging
    • Air conditioning refrigerant or lubricant vapor can irritate your eyes, nose, or throat. • Be careful when connecting service equipment. • Do not breathe refrigerant or vapor. ...

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