C
LEAN AND
V
ERIFY THE
G
AS
L
INE
Adsorptive Line Test on page 4 - 3
Helium Line Test on page 4 - 5
Press
CHOICE
to display the options. Press
ENTER
to 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
Clean and Verify the Gas Line
Gemini VII Keypad Operator Manual
239-42801-01 (Rev E) — July 2021
5 - 7
