4.5 Assembly
For a problem-free functionality please observe the tight fit between valve head
(19) and cap nut (5). If necessary please retighten.
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) in 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 not-
ches 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 cylin-
der (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. Place the device upright and push the glass plunger (17) into the PTFE cylin-
der (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 can-
nula holder (7).
12. Push the reflux tube (21) and the suction tube (20) into the valve head (19).
13. Screw the device onto the reagent bottle.
Step 2
Step 3
Step 4
Step 5
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