Pulse Xyleject Operator's Manual page 24

Remove the Barrel Cap by turning the Barrel Cap counter-clockwise and remove the Spring.
When removing the Holding Compartment you will need to hold the Luer Connection and then turn
the Holding Compartment counter-clockwise.
Using your hand, rotate the Dose Chamber Nut counter-clockwise (orange arrow). This may rotate
the entire dose chamber assembly.
24