
Document UT-MT-0779_EN Page 6 of 37
Edition 23/04/2019 Supersedes edition 06/03/2019
LED INSET RUNWAY EDGE LIGHT LIRE
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
4.7.2 Heater.................................................................................................................. 31
4.8 GASKETS........................................................................................................................ 32
4.8.1 Gasket examination ............................................................................................ 32
4.8.2 O-Ring replacement ............................................................................................ 33
4.9 CABLE LEAD WITH PLUG............................................................................................... 33
4.9.1 Removing the cable lead with plug..................................................................... 33
4.9.2 Installing the new cable lead with plug .............................................................. 33
4.10 PRESSURE VALVE .......................................................................................................... 34
4.11 CLEANING ..................................................................................................................... 34
4.12 MONITORING ............................................................................................................... 34
5TROUBLESHOOTING ..................................................................................................... 36
6SPARE PARTS................................................................................................................ 37
INDEX OF FIGURES
Figure 1 –8” Dome outside view ...................................................................................................... 8
Figure 2 –Lower Cover Outside View ............................................................................................. 10
Figure 3 –Lower Cover Inside View ................................................................................................ 10
Figure 4 –Wiring Diagram............................................................................................................... 11
Figure 5 –Exploded View ................................................................................................................ 11
Figure 6 –Part List........................................................................................................................... 12
Figure 7 - Complete P/N identification............................................................................................ 13
Figure 8 –Standard 12” shallow base ............................................................................................. 14
Figure 9 –Pavement Boring, Sawcutting and Joint Intersection Details ........................................ 17
Figure 10 –Example of Light Unit Configuration ............................................................................ 18
Figure 11 –Gaskets for 12” shallow base ....................................................................................... 21
Figure 12 –12” shallow base for side or bottom ducts (method “B”)............................................ 21
Figure 13 –Shallow base installation details .................................................................................. 22
Figure 14 –Optical device (refer to the manual UT-MT-0485 for further information) ................ 22
Figure 15 –Gaskets for L-868 base ................................................................................................. 23
Figure 16 - Lower Cover Fixing Screws ............................................................................................ 26
Figure 17 - Lower Cover with Pressure Valve.................................................................................. 27
Figure 18 –Fixture Gaskets ............................................................................................................. 27
Figure 19 - Prism Cleaning............................................................................................................... 28
Figure 20 - Prism Replacement ....................................................................................................... 29
Figure 21 –LED Module Replacement ............................................................................................ 30
Figure 22 –Wiring diagrams for the heaters .................................................................................. 31
Figure 23–Fixture Gaskets .............................................................................................................. 32
Figure 24 –Prism Gasket................................................................................................................. 32
Figure 25 - Cable Lead With Plug..................................................................................................... 33
Figure 26 - Lower Cover with Pressure Valve.................................................................................. 34
Figure 27 - Restoring the Monitoring Device .................................................................................. 35