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Optional Equipment
11-3
11.2.3 Installation
Disregard this section if the option was installed at the factory.
1. Remove the detector assembly as detailed in Procedure 9.6. This is required to gain access
to the chamber wall fitting.
1. Remove the brass hole plug from the chamber wall. It is located next to the detector port
opening.
1. Install the hose barb nipple in the chamber wall. Use sealant on the threads.
1. Remove the vacuum/helium panel from the rear panel of the instrument. This is the middle
panel with the vacuum nipple. Allow the panel to hang from the large vacuum hose.
1. Remove hole plugs and dummy screws as required from the panel and install the helium
manifold.
1. Remove the motherboard access panel from the rear panel.
1. Connect the helium manifold cable to the motherboard J6 connector. This is the white 6-pin
connector located behind the large black J7 connector (see drawing 5911-0219 for the
location). Align the connector locking ramps for proper orientation. Also check that it is not
one pin off (front to rear) as the connector has no protection against this.
1. Connect the small hose from the helium manifold to the hose barb fitting on the sample
chamber.
1. Reinstall the vacuum/helium panel. Make sure the helium hose is not kinked.
1. Reinstall the detector assembly per procedure.
1. Test the operation per Procedure 7.23.
Spectrace Instruments QuanX Technical Manual