Manual D-LX-700 en.pdf - Durag Group

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Page 22 D-LX 700 16. Model Overview for the D-LL 704 series The D-LL 704 fibre optic system is available in seven different lengths and two different spectral ranges. Table 6 below shows the dimensions of the fibre optic system. A) Over-all dimension of the fibre optic system. B) Maximum length of the fibre optic system to be fitted inside the burner. D) Length of the fibre optic system including the flame scanner electronics. For a diagram with these dimensions, please see the dimensional drawing (fig. 30) for the D-LL 704 Model* A [mm] B [mm] D [mm] for D-LE 704 xx-P D-LL 704 xx 10 1,000 900 1,245 D-LL 704 xx 15 1,500 1,400 1,745 D-LL 704 xx 20 2,000 1,900 2,245 D-LL 704 xx 25 2,500 2,400 2,745 D-LL 704 xx 30 3,000 2,900 3,245 D-LL 704 xx 35 3,500 3,400 3,745 D-LL 704 xx 40 4,000 3,900 4,245 (Table 2) xx = UV for UV spectrum fibre optic systems or IR for IR range fibre optic systems Model overview for the D-LL 704 series 17. Mounting and disassembling the D-LL 703 fibre optic system 17.1 D-LL 703 Materials List Item Part number Qty Description 1 LL703.00.02.00.n 1 Outer carrier tube 2 LL703.00.02.05.n 1 Inner carrier tube 3 LL703.00.02.09.n 1 End pipe Ø20x44 4 LL703.00.02.10.n 1 Mounting ring 5 LL703.00.02.11.n 1 Purge air inlet port 6 LL703.00.02.12.n 1 Hex mounting ring SW41x22 7 LL703.00.02.13.n 1 Restrictor G 1 ¼” to M18x1.5 8 LL703.00.02.14.n 1 Hexagonal union nut SW27x9 M18x1.5 9 LL703.00.02.15.n 1 Fibre optic holder Ø56x20 10 LL703.00.02.16.n 1 D-LE front piece/D400.4 11 LE103.00.02.00.n 1 Mounting ring D-LE/D400.3 12 LL700.00.02.03.n 1 Optic holder with quartz glass lens 13A wdiWFLWLD2,5 1* WF fibre optic bundle Ø2.5 mm, length as ordered 13B wdiUVLWLD2,5 1** UV fibre optic bundle Ø2.5 mm, length as ordered 14 mor40x2 2 0-ring 40x2 Viton 15 mor17x3 1 O-ring 17x3 NBR 70 (Table 3) * Only with the D-LL 703 IR xx ** Only with the D-LL 703 UV xx D-LL 703 components list
D-LX 700 Page 23 17.2 Uninstalling the fibre optic connector of the D-LL 703 If the D-LL 703 needs to be replaced or inspected, the disassembly should be conducted as follows: ! Warning: the fibre optic conductors may not be stretched, crushed, or twisted. These types of stress can break or tear all or some of the glass fibres. During normal handling, the metal hose will protect the fibres against mechanical damage. 1. Unscrew the hexagonal locking ring (item 6) and pull out the complete internal carrier tube (fig. 20) from the outer guide tube (fig. 19). If the inner carrier tube does not come out easily, do not apply excessive force. The removal can be obstructed by dirt accumulation in the outer carrier tube, a bend with a radius of less than 300 mm, or a severe angle caused by the current orientation of a tilting burner. In such cases, reposition the burner, makes curves less sharp, or supply additional air to clear any built-in dirt. If the inner carrier tube remains immobile, unscrew the locking ring (item 16) in the fibre optic holder (item 9, fig. 24). This frees the fibre optics so they are secured at only one point to the front piece so they will not be damaged when the tube is pulled out. LE703-07-001 Item 1 Outer carrier tube Item 5 Cooling air connection (Fig. 13) Outer carrier tube D-OC 703 LE703-08-001 (Fig. 14) Inner carrier tube D-IC 703 2. Once the inner carrier tube has been removed, the locking ring (item 16) should be unscrewed so the fibre optic strands can move freely. The end pipe (item 3) can be removed once the two 17 mm screws have been unscrewed from the inner carrier tube. The fibre optics can then be carefully removed from the inner carrier tube. 3. The optics holder is screwed to fibre optics with an M6x0.75 mm thread. If the end cover on the fibre optics comes loose while the optics holder is being unscrewed (Warning! The glass fibres are extremely fragile and may break when unscrewing this piece), the end cover should be carefully held still with a pair of forceps. The polished ends of the fibre optics can then be carefully cleaned with a soft optics cloth or replaced with new fibres. LE703-09-001 (Fig. 15) Mounting the D-IC 703 optic holder
Page 1 and 2: English 03/2005 Fibre Optic System
Page 3 and 4: D-LX 700 Table of Contents 1. Gener
Page 5 and 6: D-LX 700 Page 1 1. General Informat
Page 7 and 8: D-LX 700 Page 3 3. Functional Descr
Page 9 and 10: D-LX 700 Page 5 If the cause of the
Page 11 and 12: D-LX 700 Page 7 7.1. Setting the Fl
Page 13 and 14: D-LX 700 Page 9 7.3. Setting the Am
Page 15 and 16: D-LX 700 Page 11 9.2. Selection Cri
Page 17 and 18: D-LX 700 Page 13 10.3. D-LX 700 Dim
Page 19 and 20: D-LX 700 Page 15 10.4.1. Cable and
Page 21 and 22: D-LX 700 Page 17 The back end of th
Page 23 and 24: D-LX 700 Page 19 13. Purge and Cool
Page 25: D-LX 700 Page 21 14. Technical Data
Page 29 and 30: D-LX 700 Page 25 LE703-12-001 (Fig.
Page 31 and 32: D-LX 700 Page 27 18.3 Mounting the
Page 33 and 34: D-LX 700 Page 29 20. Dimensional Dr
Page 35 and 36: D-LX 700 Page 31 22. Optional Acces

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