10 
3 Using the 4 mm wrench and the 5/16“ wrench for counter-holding, unscrew 
the valve to needle tubing from the needle.
4 Un-clip the tubing from the bottom of the needle carrier assembly.
5 Slide the tubing through the hole in the needle carrier assembly (from 
bottom to top) (1.) and out of the holder in the z-arm assembly (2.).