Spectrex 20/20SH - Hydrogen Flame Detector - Manual (Page 32)

Spectrex Inc. - SharpEye TM Hydrogen (SH) Flame Detector Manual – TM 784600, Rev. A, May 2005
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6.5 Detector Mounting
The detector may be mounted on a simple fabricated bracket, or preferably the
optional Swivel Mount, Model 20/20-003. The Swivel Mount enables the detector
to be rotated up to 40 degrees in all directions.
6.5.1 Swivel Mount Kit:
Table 10: Mounting according to US Version
Item Qty. Type/Model Location
Swivel Mount 1 20/20-003
1/4"-20UNC Screw 4 1/4" –20UNC Detector - Holding plate
1/4" Spring Washer 4 1/4" Detector - Holding plate
Table 11: Mounting according to EU Version
Item Qty. Type/Model Location
Swivel Mount 1 20/20-003-1
Screw 4 M6 X 1P Detector - Holding plate
Spring Washer 4 M6 Detector - Holding plate
6.5.2 Swivel installation (Figs. No. 8 and 9):
1 Place the swivel mount (item 6) in its designated location and secure it with
four (4) M6 or 1/4" screws (item 11) (recommended), placed 76.2 mm. (3.0 in.)
apart on the swivel mount plate (item 10).
Note: Skip this step if the Swivel Mount is already installed. Also detector
removal for maintenance purpose does not require Swivel Mount removal.
2 Unpack the detector.
3 Place the detector, with its conduit inlets pointing down, on the holding plate of
the swivel mount (item 7). Secure the detector by four (4) 1/4"-20UNC (or M6)
screws with 1/4" (or M6) spring washers from the Swivel Mount Kit (using the
holes (item 5)). Use 3/16 Hex Key for 1/4" screws and No. 5 for M6 screws.
4 Tighten the three locking 3/8"-24UNF screws (item 8) of the swivel mount ring
until the friction in the ball joint holds the detector in its position, maintaining
the ability to be moved by hand-applied force (Use 3/16" HEX KEY).
5 Point the detector towards the protected area and make certain that the view
of the area. Secure the detector in that position by tightening the locking
screws (item 8) of the swivel mount ring.
The detector is now correctly located and aligned and ready for connecting to the
system.