89
Agilent 7200 Accurate-Mass Q-TOF GC/MS System 
Troubleshooting and Maintenance Manual
Agilent Technologies
5
CI Maintenance
To Minimize Foreline Pump Damage from Ammonia    90
To Replace the Methane/Isobutane Gas Purifier  91
To Clean the Reagent Gas Supply Lines    92
To Refill the CI Calibration Vial    93
This chapter describes maintenance procedures and requirements that are 
unique to an Agilent 7200 Accurate-Mass Q-TOF GC/MS System equipped with 
the Chemical Ionization hardware.