Agilent Technologies 7000 Triple Quadrupole GC/MS, Maintenance Manual

Page: 126 / 214

126 Troubleshooting and Maintenance Manual
5
CI Maintenance
To Clean the Reagent Gas Supply Lines
Materials needed
• Clean, dry nitrogen
• Heat gun
• Tubing cutter (8710-1709)
Procedure
If the reagent gas lines become contaminated, they can be cleaned.
1 Disconnect the reagent gas tubing from the gas supply, the gas purifier,
and the MS.
2
Cap the gas purifier following the instructions on the label.
3
Connect one end of the tubing to a supply of clean, dry nitrogen and turn
on gas flow.
4 Use the heat gun to warm the tubing, starting at the supply end and
working your way to the free end.
5
Repeat for any other pieces of tubing that need to be cleaned.
6
Reconnect the tubing to the gas supply, gas purifier, and MS. Follow the
instructions on the gas purifier label.
WA R N I N G
Do not heat the gas tubing when reagent gas is flowing.
C A U T I O N
Do not put liquids into the tubing. Do not heat the tubing when it is connected to the
MS.