35
13) Turn on the power switch, pull the glass to verify the installation of the heating filament, and
refer to
4.3 Softening point Test——4.9 Pull result
.
Do make sure to adjust the filament and test the softening point after replacing a new
heating filament!
14) Align the tips of the left and right micropipettes side by side and compare their lengths from
tip to shoulder. If the left taper is longer, as shown in Figure 6-13, please loosen the screws ①
and ②, and slightly move the filament as indicated by the arrow shown in Fig.6-14.
Figure 6-13 Figure 6-14
15) If the left tips are shorter than the right one, please loosen the screws ① and ②, and
slightly move the filament as indicated by the arrow shown in Fig. 6-16. A pair of symmetric tips
means that the filament has been installed successfully, as shown in Figure 6-17.
Figure 6-15 Figure 6-16 Figure 6-17
6.4 Replace Drierite canister
When the drierite is dry, it is blue or blue-purple, and becomes pink after absorbing moisture.
When two thirds of the drierite is pink, replace it with a new drierite canister.
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