7000/7010 Series TQ GC/MS Operating Manual 9
Analyzer vacuum with reagent gas flowing 132
Other Reagent Gases 133
Isobutane CI 133
Carbon Dioxide CI 134
CI Autotune 135
The CI Flow Control Module 137
To Operate the Reagent Gas Flow Control Module 139
To Set a Reagent Gas Flow 141
To Perform a CI Autotune 142
To Pumpdown and Switch from EI to CI Mode 144
7 General Maintenance
Before Starting 148
Scheduled maintenance 148
Tools, spare parts, and supplies 149
High voltage precautions 149
Dangerous temperatures 149
Ion source cleaning 151
Ammonia 151
Electrostatic discharge 151
Maintaining the Vacuum System 153
Periodic maintenance 153
Other procedures 153
More information is available 153
Maintaining the Analyzer 154
Scheduling 154
Precautions 154
More information is available 155
To Open the Front Analyzer Chamber 156
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