Laser tube bubbles at end

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Laser tube bubbles at end

Post by bensuffdonk » Fri Feb 12, 2021 3:22 pm

Hi guys sorry for the basic question but im installing my laser tube for the first time 100w and there is a huge bubble at the back of the tube i assume it shouldn't be there? how can i get rid of this baring in mind my machine is like 80kg and i cant tilt it i've attached some pics cheers!
IMG_7053.JPG (162.47 KiB) Viewed 288 times
IMG_7054.JPG (182.13 KiB) Viewed 288 times
IMG_7055.JPG (197.82 KiB) Viewed 288 times

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