Npd Setup Summary; Disconnect The Hydrogen And Air Lines At The Npd Bulkhead - PerkinElmer CLARUS 590 GC User Manual

154 . Clarus 590 GC User's Guide
NPD Setup Sum m ary
To set up an NPD:

Disconnect the hydrogen and air lines at the NPD bulkhead.

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• Adjust the hydrogen flow.
• Adjust the air flow.
Reconnect the hydrogen and air lines.
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Disconnect the Hydrogen and Air Lines at the NPD Bulkhead
1. Open the detector cover.
This exposes the NPD bulkhead fittings shown in the following figure.
NOTE: The hydrogen line is marked with a red sticker. The air line is unmarked.
2. Disconnect the hydrogen line by loosening the nut that connects the hydrogen line to the bulkhead
fitting with a 7/16-inch wrench.