Testing and changing the laser tube on my GweikeCloud

My laser was not cutting anymore and therefore I decided to check the tube and verify that it was defective and change it out! Should be the same process with the OMTech Polar also. Products mentioned in this video: I did not use this funnel but should have: https://amzn.to/3RufVrW Other products I use/recommend: Temtop air quality meter: https://amzn.to/3FnA9MS EG air quality meter: https://amzn.to/3yAVSx7 Nozzle (2mm): https://s.click.aliexpress.com/e/_DBX... Red dot laser (20mm): https://s.click.aliexpress.com/e/_Dl2... Extended air pump power cable: https://amzn.to/3UxwHUZ Fire blanket: https://amzn.to/3Ts0pKh AC infinity 6in Inline fan: https://amzn.to/3GakZM7 6in flexible ducting: https://amzn.to/3GaGpc1 Rare 5in flexible ducting since duct holes arent normal: https://amzn.to/3g2SXI4 Blast gate: https://amzn.to/3Gb3A6b 6in clamps: https://amzn.to/3tlyrFA 6in duct connectors: https://amzn.to/3EqM5NR California Air 8010 air compressor: https://amzn.to/3TpYHt3 #gweike #gweikecloud #gweikelaser #omtechpolar #k40 #40watt #50watt #laser #lasercutter #polar #omtech #yongli #yonglit10 #reci