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7
General Maintenance
To Replace the EM Horn
7000/7010 Series TQ GC/MS Operating Manual
201
To Replace the EM Horn
The replacement EM horn part number for this Series 2 detector is stamped on
the front face of the detector. Through MassHunter, you can determine which
series detector you have without having to directly check the detector. The
detector series is displayed as
Triple Axis Series 2
in the detector tab of manual
tune, in the detector section on the second page of the tune report, and in the
pumpdown dialog.
Materials needed
•
EM horn (Series 2 Detector G7002-80103)
•
Gloves, clean, lint-free (Large 8650-0030) (Small 8650-0029)
•
Pliers, long-nose (8710-1094)
Procedure
1
Vent the MS. (See
2
Open the rear analyzer chamber. (See
3
Slide the blue signal wire from the connector in the side plate. (See
4
Open the retaining clip. (See
on page 202.) Lift the arm of the clip
up, and swing the clip away from the EM horn.
5
Remove the EM horn.
6
Hold the new horn with blue signal wire end down, and attach the signal wire
to the connector in the side plate. (See
7
Slide the EM horn into position.
8
Close the retaining clip.
WARNING
The analyzer, GC/MS interface, and other components in the analyzer
chamber operate at very high temperatures. Do not touch any part until you
are sure it is cool.
CAUTION
Always wear clean gloves to prevent contamination when working in the
analyzer chamber.