- Connect to the air conditioning system the manometer for measurement of pressure.
- Arrange a towel under the open end of the central hose.
- Slowly open the valve of high pressure and discharge the air conditioning system.
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At a bystry discharge of coolant from the air conditioning system, from system compressor oil can flow out. |
- Check whether there are on a towel oil spots. If this is so, smoothly close the valve.
- After reduction of pressure in the air conditioning system lower than 3,5 kg/cm2 open the valve of low pressure.
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- Open valves of high and low pressure and slowly reduce pressure in the air conditioning system until the manometer shows 0 kg/cm2.
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