Cleaning Or Replacing The Unispray Impactor Pin; Removing And Installing The Unispray Impactor Pin - Waters Xevo G2-XS QTof Overview And Maintenance Manual

7.27.1 Cleaning or replacing the UniSpray impactor pin

Required materials
• Chemical-resistant, powder-free gloves
• Lapping film
• HPLC-grade (or better) methanol
• Lint-free tissue
• Impactor pin
Warning:
resistant, powder-free gloves when performing this procedure.
Warning:
source enclosure heated to high temperatures. Wait until the hot components have
sufficiently cooled before you handle them.
Warning:
To clean the impactor pin:
1. Remove the impactor pin from the UniSpray source (see
UniSpray impactor pin (Page
2. Inspect the impactor pin and replace it if it is deformed or damaged.
3. Clean the pin by polishing it along its length using 1-µm lapping film, and then wiping it
clean with a methanol-saturated, lint-free tissue.
4. Install the impactor pin in the UniSpray source (see
impactor pin (Page

7.27.2 Removing and installing the UniSpray impactor pin

Required materials
• Chemical-resistant, powder-free gloves
• UniSpray impactor pin
Warning:
To avoid personal contamination with biologically hazardous, toxic, and corrosive
materials, wear chemical-resistant, powder-free gloves when performing this procedure.
To avoid personal contamination with toxic materials, wear clean, chemical-
To avoid burn injuries, exercise care when handling the components of the
To avoid puncture wounds, handle sharp parts and materials with care.
199)).
Notice:
To avoid damaging the impactor pin, do not rotate the pin when
polishing it with the lapping film or when wiping it clean.
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March 31, 2021, 715004496 Ver. 04 (previously released as Rev. D)
Removing and installing the
Removing and installing the UniSpray
Page 199