max
LAB
4.4 Disassembly
1. Follow the safety instructions!
2. Push the glass plunger (17) downwards until it stops and then turn the valve
axle (12) to the draining position.
3. Let the remaining reagent in the ejection cannula (6) flow back into the re-
agent bottle.
4. Place the device with the bottle into a suitable sink.
5. Unscrew the device from the bottle and carefully tap with the suction tube
(20) from the inside against the bottle, so that it is drained as well.
6. Rinse the "Labmax airless" with distilled water.
7. Remove the suction tube (20) and the reflux tube (21).
8. Remove the cannula holder (7) and then the cannula (6).
9. Loosen the fix screw (1).
10. Pull the glass plunger (17) out of the PTFE cylinder (18). Before this pump
once, then the glass plunger can be handled easier.
11. Unscrew the adaptor ring (4) from the outer housing (2).
12. Remove the calibration screw (3.1) and then the remaining parts of the volu-
me rocker switch (3.2 and 3.3).
13. Remove the outer housing (2).
14. Unscrew the seal nut (15) and place the PTFE seal ring (16) aside.
15. Pull off the adaptor ring (4) and loosen the cap nut (5).
16. Pull the PTFE cylinder (18) out of the valve head (19), keep in mind that the
valve star (9) and the ceramic ball (10) might drop out.
17. Take the valve star (9) and the ceramic ball (10) out of the suction valve.
18. Loosen the closing cap (13) and remove the O-ring (14 a).
19. Pull the valve axle (12) out of the valve head (19).
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airless