To Switch From The Ei Hes To The Ci Source - Agilent Technologies 5977B Series Operating Manual

To Switch from the EI HES to the CI Source

Procedure
Always verify GC/MS performance in EI before switching to CI operation.
C A U T I O N
1
2
Electrostatic discharges to analyzer components are conducted to the side board
C A U T I O N
where they can damage sensitive components. Wear a grounded antistatic wrist strap.
(See
antistatic precautions before you open the analyzer chamber.
3
4
5
6
7
8
9
10 Remove the CI source from the storage container.
11 Install the CI source. This requires shortening the column so that it
12 Pumpdown the MSD. (See
5977B Series MSD Operating Manual
Vent the MS. (See "To Vent the MSD"
prompt you for the appropriate actions.
Open the left side access panel. (See
page 152.)
"Electrostatic discharge is a threat to MSD electronics"
Open the analyzer chamber. (See
page 152.)
Remove the EI HES. (See
Place the EI HES in the storage container.
Remove the EI HES radiator. (See
page 200.)
Place the EI HES radiator in the storage container.
Remove the CI source radiator from the storage container.
Install the CI source radiator. (See
page 202.)
protrudes from the transfer line by 1 to 2 mm. (See
Source" on page 225.)
page 124.)
on page 113.) The software will
"To Open the Analyzer Chamber"
"To Open the Analyzer Chamber"
"To Remove the EI HES"
"To Remove the EI HES Radiator"
"To Install the CI Source Radiator"
"To Pumpdown the MSD in CI Mode"
CI Maintenance
on page 21.) Take
on
on page 154.)
on
"To Install the CI
on
7
on
on
199