18. After waiting 7 days, prepare the new tube with the old one still
on its LC housing close by. With your left hand gently tilt the old tube neck so the tube face
gets removed from the LC housing joint:
No glycol should spit/splash. Remove the toasted tube from the LC housing in a fast
movement so no dust can enter glycol chamber housing:
19. Immediately place the new tube on the LC housing joint. Take extra care to
get the tube’s orientation right! Center the tube on the joint by looking
at the tube
neck end against the LC housing edges:
20. Place back the metal bracket on the tube and screw the four metal bracket screws
(do 2 turn each alternating in a diagonal/crossing order):
21. Using the syringe, put the 150-200ml glycol back in the tank. At each
50ml step, gently tilt the tube to let the air bubbles exit the C-element chamber
via the tank’s hole (this allows you to continue to fill the
tank with glycol).
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