LC Packings Probot 161403, Руководство пользователя

Страница: 74 / 118

Maintenance and Troubleshooting
3-6
D960R3
User’s Manual Probot
c) Remove the cover plate (items 4; FIGURE 3-4).
d) Disconnect the connector of the dosage unit (FIGURE 3-5).
1
FIGURE 3-5 Disconnecting the Dosage Module
e) Remove the two screws that hold the module (FIGURE 3-6).
FIGURE 3-6 Removing the Screws of the Dosage Unit
f) Remove the dosage unit from the Probot.
Note: When replacing the dosage module, make certain that the two screws are
inserted all the way through the bottom of the Probot. If you attach the dosage
module directly to the tray, a malfunction of the dosage module may result.
3.3.5 Replacing the Fractionation Needle of the µ-Tee
The fractionation needle is a fused silica tubing with an O.D. of 280 µm and an
I.D. of 30 µm or 100 µm depending on the LC application. Refer to TABLE 3-4 to
select the appropriate needle for your application.
TABLE 3-2 I.D. of the Fractionation Needle vs. Maximum Flow Rate
Part Number Fractionation Needle Maximum Flow Rate ( LC flow)
162144 30 µm I.D. 30 µL/min
162145 100 µm I.D. 300 µL/min
CAUTION
Caution: Exceeding the maximum flow rate limits may cause the rotary valve to
leak or may even damage the rotary valve.