Simple process of replacing laser tube in typical chinese CO2 laser cutter.
The replacement tube in this video was a brand called Cole Tech, from an ebay seller. The brand is junk and I got a refund shortly after. Cloudray branded tubes also appear to be junk and should be avoided.
The best performing low-cost chinese tubes I have found is a brand called Tongli, sold on aliexpress. It was about 2/3 the price and 2 I have used have worked great so far.

Not a very dangerous procedure, but 22kV and mains voltage should be treated with care.
Sorry for poor quality of this video, but I don't really get a change to do additional takes with this one.

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