Brother GT-3 Series Service Manual page 270

16. Remove the protection of the needle and insert the Tube.
<Note> Pay attention not to get the dust and threads into the inside of the needle.
17. Apply some distilled water around the outside of Tube (C).
<Note>
・Without distilled water, Tube may move round with Tube Clamp and it may kink.
・Do not put distilled water INSIDE the tube, the ink may be damaged.
18. Fix the Tube with the Tube Clamp D3 (19).
<Note> Insert the Tube and Tube Clamp D3 (19) until the edge of the Tube Clamp D will hit the nut 8 (20).
(C)
(19)
(20)
Until both edges can touch each other
GT-3 Series
6. Replacing Parts
(19)
261