Pulse Xyleject Operator's Manual page 27

Insert the Holding Compartment into the Barrel. Hold the Luer Connection and then turn the Holding
Compartment clockwise as shown. Install the Spring and Barrel Cap and tighten as shown below.
Turn the Needle Retention Nut Base clockwise (orange arrow). You will need to hold the Inlet Valve
while installing the Needle Retention Nut Base. Turn the Needle Retention Nut counter-clockwise
(red arrow) to expose the Conical Needle (finger tight only).
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