L-852C-D ITCL Taxiway Centerline Inset Lights Table of Contents
© 2009 ADB Airfield Solutions, LLC.
96A0311F Page iv
All rights reserved Issued 3/05
Section 4 Maintenance ......................................................................................... 4-1
1. Introduction ...................................................................................................... 4-1
2. Maintenance Schedule ..................................................................................... 4-1
3. Maintenance Procedures .................................................................................. 4-2
Cleaning Light Channel and Prism .............................................................. 4-2
Retorquing Mounting Bolts .......................................................................... 4-2
Removing L-868 Base Water ....................................................................... 4-4
Lifting Optical Unit Out of Base .................................................................. 4-4
Testing for Leaks .......................................................................................... 4-5
Section 5 Troubleshooting ................................................................................... 5-1
1. Introduction ...................................................................................................... 5-1
2. Troubleshooting Procedures ............................................................................ 5-2
Section 6 Repair ................................................................................................... 6-1
1. Introduction ...................................................................................................... 6-1
2. Opening Assembly ........................................................................................... 6-1
3. Replacing LED Assembly ................................................................................ 6-4
4. Replacing Prism and Prism Gasket .................................................................. 6-5
5. Closing and Testing Light Assembly ............................................................... 6-7
Section 7 Parts ..................................................................................................... 7-1
1. Introduction ...................................................................................................... 7-1
2. Using the Illustrated Parts List ......................................................................... 7-1
3. F-Range Low Profile Light Fixture Ordering Code ......................................... 7-2
4. F-Range L-852C-D Optical Assembly Parts ................................................... 7-3
5. Numerical Parts List and Recommended Spare Parts ...................................... 7-9
Figure 2-1 L-852C-D F-Range Inset Light Fixture ............................................. 2-1
Figure 2-2 Optical Assembly .............................................................................. 2-2
Figure 2-3 Prisms ................................................................................................ 2-3
Figure 2-4 Inner Pan Subassembly ..................................................................... 2-3
Figure 3-1 Typical Installation on FAA L-868B Base ........................................ 3-2
Figure 3-2 Mounting .......................................................................................... 3-5
Figure 3-3 Input ID Marker ............................................................................... 3-5
Figure 4-1 Retorquing Mounting Bolts ............................................................... 4-3
Figure 4-2 Pressure Test Fitting Assembly ......................................................... 4-5
Figure 6-1 Removing Pressure Release Screw ................................................... 6-1
Figure 6-2 Disconnecting LED Assemblies ........................................................ 6-2
Figure 6-3 Replacing Cover/Inner Cover Gasket ................................................. 6-3
Figure 6-4 Replacing Prism and Prism Gasket ................................................... 6-6
Figure 6-5 Closing Light Fixture ........................................................................ 6-7
Figure 7-1 L-852C-D LED F-Range Inset Lights Part Number ......................... 7-2
Figure 7-2 L-852C F-Range Light Fixture .......................................................... 7-3
Figure 7-3 L-852D F-Range Light Fixture. ……………………………… 7-3
Figure 7-4 Inner Cover - exterior…………………………………………….7-4
Figure 7-5 Inner Cover – interior ……………………………………………7-4
Figure 7-6 LED Assembly without Arctic Kit ……………………………..7-5
Figure 7-7 LED Assembly Gasket…………………………………….……..7-5
Maintenance
Troubleshooting
Repair
Parts
List of Figures