Quote:
Originally Posted by upallnight
When it comes time for you to replace the schrader you must have the system empty of all refrigerant. Removing the valve with the system partially filled can results in frost bite if your hand is near the opening. The refrigerant is passing from a high pressure area through a small opening which result in the Bernoulli's principle of fluid dynamic.
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Thanx for the replies fellas.
Yea, I have a guy that does my AC refills for me. He also has this really cool tool that allows the removal and replacement of the schrader valves without releasing any refrigerant. Really cool piece. Might not be able to use it in this instance though but nevertheless, he will be doing the recharge not me and he has a lot of experience.
Cheers