KMD1060E
17
The special IR reduction filter in AUV/LESCO SUPERSPOT cure systems must not be
removed if working with moderate to high levels of intensity and exposure time. If either of
these conditions occurs, the LF light guide may suffer irreparable damage or have its service
life reduced dramatically. Special duty AUV/LESCO FO light guides are available for
extreme intensity/dosage applications (contact factory at 1-800-615-3726).
Fiber Optic Light guides
AUV/LESCO fiber optic (FO) light guides are used for applications where long lengths, tight
clearances, or multiple outputs are required. FO light guides are available in almost endless
configurations for specialized applications. Popular standard products are Bi-, Tri-, and
Quad-furcated light guides, but AUV/LESCO FO light guides can be ordered with 10 or more
output ends arranged in circular, line, or random configurations.
All light guides can be damaged or suffer impaired light transmission if not used properly.
Minimize bending a light guide radically (i.e. – more than 90
°
over a 6” radius for a LF). Be
extremely careful not to scratch, mar or accidentally apply curable material to the guide end
tips. One may (and should) clean the quartz end tips with alcohol on a regular basis and
check transmission levels at least every 100 operating hours (more often if end tips are not
fixtured). Transmission losses can be easily determined by using an AUV/LESCO Quartz
Calibration Fixture and radiometer.
Refer to Troubleshooting Section “Low UV Output” for further details.
Light guide Maintenance
Your Fiber Optic Light Guide (FOLG) is designed to provide a long life of dependable and
consistent energy transmission. In order to sustain the high levels of throughput and extend
its useful life, the FOLG must be properly maintained.
Following are some general maintenance guidelines for your reference. If you need any
additional help or have further questions, please contact AUV/LESCO.
1. Inspect the FOLG regularly. A visual inspection of the light emitting ends will detect
most problems associated with buildup of residues or signs of deterioration. To inspect it,
use a bright incandescent LED. It is better to cover the opposite end to prevent back
illumination. The surface should look black and very shiny. If it looks dull, there is residue
on it and it should be cleaned.
2. Never use a sharp object to clean the fiber surfaces. Use only high-quality solvents. We
recommend using reagent free acetone. Do not use regular acetone as it may leave a
residue.
3. Use a clean Q-tip or Clean-wipe to scrub the surface when applying the solvent. Make
sure no material “bleeds” from the surface, as this is an indication that there has been
mechanical damage.
4. Be careful not to expose the mono-coil jacket (black flexible tubing) surface to the
acetone. Do not use any solvents that can dilute epoxy adhesives. Use alcohol to clean
any deposits on the mono-coil surface.