3 Keypad Only Installations
OPERATIONAL VERIFICATION
CLEAN AND VERIFY THE GAS LINE
Adsorptive Line Test on page3 - 16
Helium Line Test on page3 - 18
Press CHOICEto display the options. Press ENTERto select.
Always clean the gas lines and verify there are no leaks at the connections after a gas cylinder is
connected. This test examines the gas line from the analyzer to the gas cylinder, then from the
analyzer to the regulator shut-off valve. A report is generated at the completion of the test to verify
that it has passed or failed.
Always confirm the state for valves and the low-pressure gauge reading.
A. Gas tubing to instrument
B. Gas regulator shut-off valve -
OPEN
C. Low pressure gauge (15-18
psig)
D. High pressure gauge
E. Gas cylinder shut-off valve -
CLOSED
F. Regulator connecter nut
G. Regulator control knob -
OPEN
H. Brass reducer fitting
3 - 4
Gemini VII 2390 Installation Instructions and Checklist
239-42870-02 Rev (B) — May 2021
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