Assembly - witeg LABMAX airless Bedienungsanleitung

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5.5 Assembly

For a problem-free functionality please observe the tight fit between valve head (19) and cap
nut (5). If necessary please retorque.
1. Push the valve axle (12) into the valve head (19).
2. Assemble the O-ring (14 a) and the closing cap (13).
3. Place the ceramic ball (10) and the valve star (9) into the suction valve. Check that the
spikes of the valve star (9) point upwards.
4. Assemble the PTFE cylinder (18) on the valve head (19). Check that the notches of the
PTFE cylinder (18) are placed exactly over the domes of the valve head (19).
5. Tighten the PTFE cylinder (18) with the cap nut (5). Check that all parts fit tightly.
6. Position the adaptor ring (4) with the thread upwards over the cap nut (5).
7. Position the PTFE seal ring (16) with the groove upwards on the PTFE cylinder (18) and
screw the seal nut (15) tightly on the thread.
8. Place the device horizontally and perform the following steps consecutively. Prior to that
slide the outer housing (2) onto the PTFE cylinder (18).
Step 1
9. Erect the device and push the glass plunger (17) into the PTFE cylinder (18) until it
stops.
10. Screw the fix screw (1) into the outer housing (2).
11. Push the ejection cannula (6) into the valve axle (12) and fix it with the cannula holder
(7).
12. Push the return tube (21) and the suction tube (20) into the valve head (19).
13. Screw the device onto the reagent bottle.
witeg Labortechnik GmbH, Dispenser LABMAX „airless"
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Step 2 Step 3 Step 4 Step 5