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Expansion Valve, Removing And Installing: Notes

The expansion valve atomizes the streaming refrigerant. It controls the flow rate so that the vapor is gaseous only at the evaporator outlet, depending on the heat transmission.

Special tools and workshop equipment required 

CAUTION:

Danger or frostbite due to refrigerant coming out under pressure.

Frostbite on the skin and other parts of the body is possible.

- Wear safety gloves.

- Wear protective eyewear.

- Extract refrigerant and open the refrigerant circuit immediately.

- If more than 10 minutes elapse after extracting the refrigerant and the refrigerant circuit was not opened, extract the refrigerant again. Evaporation can cause pressure to develop in the refrigerant circuit.