Maintaining The Unispray Impactor Pin - Waters Xevo G2-XS QTof Overview And Maintenance Manual

Warning:
source; these components can be hot.
Warning:
surfaces marked with the high-voltage warning symbol, ensure that the mass
spectrometer is in Standby mode.
Warning:
1. Remove the corona pin from the source (see
(Page 95)).
2. Inspect the corona pin for damage.
• Replace the corona pin if it is deformed or otherwise damaged.
• If the corona pin is not damaged, clean the tip of the pin with lapping film, and wipe it
clean with a methanol-saturated tissue.
Warning:
corrosive materials, dispose of all waste materials according to local environmental
regulations.
3. If you are replacing the corona pin, dispose of the old pin in accordance with local
environmental regulations.
4. Install the corona pin in the source (see

7.27 Maintaining the UniSpray impactor pin

UniSpray directs the spray at an impactor pin held at a voltage, creating smaller charged
droplets, amenable to easy desolvation. This section provides details about removing, cleaning,
and installing the UniSpray impactor pin.
Figure 7–109: UniSpray Impactor pin
Impactor pin mounting block
Impactor pin
Pin handle
To avoid burn injuries, take great care while working with the probe and
To avoid harmless, static-like electric shock, before you touch any external
To avoid puncture wounds, handle the corona pin with care. Its tip is sharp.
To avoid spreading contamination with biologically hazardous, toxic, and
March 31, 2021, 715004496 Ver. 04 (previously released as Rev. D)
Removing the corona pin from the source
Installing the corona pin in the source (Page
Page 198
93)).