7 Service and Maitenance 7-35
7.6.8 Removing Air Bubbles
When you see air bubbles in the syringe, follow this procedure to remove them.
BIOHAZARD
To prevent infection, always wear gloves, goggles and protective
clothing when doing the maintenance.
Dispose of the waste in accordance with your local or national
guidelines for biohazard waste disposal.
1 Place the Power to OFF.
2 Unscrew the screws on the syringe cover and remove the cover.
The structure of the syringe is as shown in the figure below.
3 Unscrew (counter-clockwise) the lower retaining screw.
4 Unscrew (counter-clockwise) the four retaining screws, remove the
screws and space bars, and remove the syringe from the holder.
5 Pull the plunger gently outwards until you can not proceed any more,
and then push it quickly. Repeat this pull-push operation until the air
bubbles are removed from the syringe.
CAUTION
Be sure not to push the plunger to the end tip; otherwise
the syringe may be damaged.
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