Waters Xevo TQ MS, Operator And Maintenance Manual, Page: 103 / 184

Cleaning the source hexapole assembly 4-55
6. Carefully grasp the source hexapole assembly and remove it from the
adaptor housing.
Cleaning the hexapole assembly
Required materials
• Chemical-resistant, powder-free gloves.
• 500-mL measuring cylinder or appropriately sized glass vessel in which
to completely immerse the hexapole when cleaning. Use only glassware
not previously cleaned with surfactants.
• Length of small diameter PEEK or Teflon
®
tubing appropriately sized
for suspending the hexapole in the glass vessel when cleaning.
• HPLC-grade (or better) methanol.
• Ultrasonic bath.
• Source of oil-free, inert gas (for example, nitrogen) for drying (air-drying
optional).
• HPLC-grade (or better) 1:1 methanol/water.
• Wash bottle containing HPLC-grade (or better) 1:1 methanol/water.
• Large beaker.
• Small, flat-blade screwdriver.
To clean the source hexapole assembly
1. Bend the PEEK or Teflon tube into a hook shape.
Caution:
To avoid damage when removing the hexapole assembly
from the adaptor housing:
• avoid scratching the internal surfaces of the adaptor block.
• do not compress the hexapole rods.
Warning:
The source hexapole assembly can be contaminated
with biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.