Waters Xevo TQ-S cronos, Обзор и руководство по обслуживанию, Страница: 64 / 175

5. If you are connecting the probe assembly for the first time, using a 1/4-inch open-end
wrench, tighten the compression nut until you feel an increase in resistance, and then
tighten by another 3/4-turn.
Figure 3–22: 3/4-turn
If you are refitting a previously installed probe assembly, using a 1/4-inch open-end
wrench, tighten the compression nut up to a 1/6-turn.
Figure 3–23: 1/6-turn
3.1.9 Removing the probe adapter
Remove the probe adapter before performing any of the following actions:
• Switching between ESI and APCI modes (see Installing the probe adapter (Page 51) ).
• Installing the Low-flow ESI probe (see the Low-flow ESI Probe Operator's Guide
(715004382)).
• Replacing the ESI probe tip or gasket (see Replacing the ESI probe tip and gasket (Page
122) ).
Tip:
You can replace the probe assembly without removing the ESI probe tip.
You can remove the probe adapter with or without the probe assembly installed. To remove the
probe assembly, see
Removing the probe assembly (Page 120) .
Required materials
Chemical-resistant, powder-free gloves
To remove the probe adapter:
Warning:
To avoid personal contamination with biologically hazardous or toxic compounds,
wear clean, chemical-resistant, powder-free gloves when performing this procedure.
Warning:
To avoid harmless, static-like electric shock, ensure that the mass
spectrometer is in Standby mode before you touch any of its external surfaces that are
marked with this high-voltage warning symbol.
January 10, 2022, 715006200 Ver. 01 (previously released as Rev. A)
Page 64