86
2.5 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 3356 - titration tip unit, blue or micro titration tip white TZ 3285, adapter TZ 1525
11) TZ 1507 - plastic drip-down tubule
2.5.1
Installing the interchangeable unit
Fig. 11 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.
•
Remove the standard dosing hose TZ 3874 from the valve and connect the dosing hose including from
the KF titration vessel TZ 1770
Chapter 2. Unpacking and First Operation
6
7
3
8
9
11
Fig. 11