Spectrex Series 300 Open-Path Gas Detection System - Manual (Page 40)

Spectrex Inc. - SafEye TM 300 Gas Detector Manual – TM 794100, Rev. D, May 2004
32
5.5.4.Duct Mount Installation (Figures 10,11)
The following instructions are applicable for both the Light Source unit and the
Detector unit.
1. Insert the first Internal Plate (1) through the Air Duct Hole. Hold it by hand
and press the Base Plate Gasket (2) to the Installation Surface against the
Internal Plate. The Internal Plate Screws should be inserted into the
Gasket holes and hold it from falling. Then remove your hand and repeat
the process for the second Internal Plate.
2. Attach the Base Plate (3) to the Gasket (2) carefully. The Internal Plate
screws should be inserted slightly to the Base Plate holes.
3. Secure the Base Plate to the Installation Surface using four Nuts and Flat
Washers (4).
4. Attach the Window Plate (5) by threading its holes on the Base Plate
Screws. The Window (7) Protection Ring of the plate should be directed
outside. Secure it by four Nuts and Flat Washers (6).
5. Alignment Plate installation: Screw together the Internal Vertical Alignment
Nut and the Washer (9) to the Base Plate Screws. Then thread the
Alignment plate (8) on the screws. Connect the two External Alignment
Nuts and Flat Washers (10) without fastening. The Plate is now
connected.
6. Connect the Horizontal Alignment Screw with the Nut and Flat Washer
(11) directed according the illustration. The Alignment Plate should be
held but set free for alignment.
At this point, the Duct Mount is ready for alignment.