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Replace the Spring, then re-attach the Dose Chamber. Use caution when attaching the Dose
Chamber Nut to the housing – do not use excess force as it may damage the threads. Carefully
engage the threads and gently turn to ensure the threads are properly engaged before continuing to
tighten the Dose Chamber Nut. The whole assembly will turn as you tighten the Dose Chamber Nut.
When you tighten the Dose Chamber
Nut, ensure that the Dose Chamber
orientation is upright as shown in the
photo (Luer Connection aligned with
the opening of the Barrel). If the
Dose Chamber is not upright, loosen
the Dose Chamber Nut and re-
position the Dose Chamber. Repeat
this procedure until it lines up
properly.
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