2.6 Interchangeable unit WA
1
2
4
5
1) TZ 3871 - suction hose
2) TZ 3872 - connection hose
3) TZ 3873 - dosing hose without dosing tip and holding bracket;
TZ 3874 - dosing hose with dosing tip and holding bracket
4) TZ 3801 - valve cover lid
5) TZ 3000 - 3/2-way valve
6) TZ 2003 - drying tube
7) TZ 3802 - threaded cap with borehole GL 45, incl. adapter with 2 openings for drying tube and suction
hose
8) TZ 3803 - 1 litre reagent bottle, brown
9) TZ 3900 - UV protection, blue transparent
10) TZ 3875 - shaft for titration tip and
TZ 3656 - titration tip unit, blue
11) TZ 1507 - plastic drip-down tubule
2.6.1
Installing the interchangeable unit
Fig. 8 shows a completely assembled interchangeable unit.
•
Remove the valve with the attached hoses from the pack, and then push it on the valve support until it
snaps in position.
•
Slip on the valve cover lid on the valve as is shown in the illustration.
•
Insert the TZ 3872 connection hose in the threaded hole provided in the burette cylinder, and then tighten
it by hand.
•
Insert the TZ 3871 suction hose into the threaded opening of the GL 45 or S 40 adapters, and then
tighten it manually.
All the other hoses are already preassembled.
Chapter 2 - Unpacking and first Operation
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6
7
3
8
9
11
Fig. 8