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Siemens L-852A-D manual

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Table of contents for the manual

  • Page 1

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Document No. 96A0149 Issued: January 29, 1993 Rev. E: May 16, 2001 Manufactured to FAA Specification AC 150/5345-46B Copyright  2001 by Siemens Airfield Solutions, Incorporated. All rights reserved.[...]

  • Page 2

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Record of Changes  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page ii All rights reserved Issued 5/01 Page Rev Description EC No. Checke d Approved Date B Added metric units. EP WT C Added shallow base information. EP WT All D Added 30 W L-852A, B, C. Reformatted manual. 3355[...]

  • Page 3

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Table of Contents  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page iii All rights reserved Issued 5/01 Record of Changes .................................................................................... ii Table of Contents .................................................[...]

  • Page 4

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Table of Contents  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page iv All rights reserved Issued 5/01 5. Troubleshooting ................................................................................. 21 6. Repair ............................................................[...]

  • Page 5

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Warranties  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page v All rights reserved Issued 5/01 Products of Siemens Airfield Solutions manufacture are guaranteed against mechanical, electrical, and physical defects (excluding lamps) for a period of one year from the date of ins[...]

  • Page 6

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Warranties  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page v All rights reserved Issued 5/01[...]

  • Page 7

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Safety  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 1 All rights reserved Issued 5/01 This section contains general safety instructions for using your Siemens Airfield Solutions equipment. Some safety instructions may not apply to the equipment in this manual. Task- and e[...]

  • Page 8

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Safety  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 2 All rights reserved Issued 5/01[...]

  • Page 9

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Safety  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 3 All rights reserved Issued 5/01 WARNING : Disconnect equipment from line voltage. Failure to observe this warning may result in personal injury, death, or equipment damage. WARNING : Wear safety goggles. Failure to obs[...]

  • Page 10

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Safety  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 4 All rights reserved Issued 5/01 Read the installation section of all system component manuals before installing your equipment. A thorough understanding of system components and their requirements will help you install[...]

  • Page 11

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Safety  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 5 All rights reserved Issued 5/01 • Before starting this equipment, check all safety interlocks, fire- detection systems, and protective devices such as panels and covers. Make sure all devices are fully functional. Do[...]

  • Page 12

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Description  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 6 All rights reserved Issued 5/01 • Check interlock systems periodically to ensure their effectiveness. • Do not attempt to service electrical equipment if standing water is present. Use caution when servicing e[...]

  • Page 13

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Description  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 7 All rights reserved Issued 5/01 See Figure 1. The L-852A-D light fixtures are switchable lights designed to provide visual guidance along the taxiway centerline and is manufactured in accordance with FAA specifica[...]

  • Page 14

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Description  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 8 All rights reserved Issued 5/01 Figure 2. Optical Assembly[...]

  • Page 15

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Description  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 9 All rights reserved Issued 5/01 In case of lamp failure, an optional film disc cutout is available as an electrical bypass device. The film disc cutout closes an auxiliary circuit around the lamp within 15 seconds[...]

  • Page 16

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Description  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 10 All rights reserved Issued 5/01 This subsection provides specifications for the L-852A-D light fixtures. Lamps Refer to the table below for lamps. Number of Lamps Lamp Wattage (W) Lamp Current Unit Supplied with [...]

  • Page 17

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Description  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 11 All rights reserved Issued 5/01 Mounting The L-852A-D light fixtures mount on an optional Siemens Airfield Solutions shallow base or on a 12-inch- (304.8-mm-) diameter deep L- 868B light base. Refer to Table 5 fo[...]

  • Page 18

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Installation  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 12 All rights reserved Issued 5/01 WARNING: Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in this document and all other related documentation. This secti[...]

  • Page 19

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Installation  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 13 All rights reserved Issued 5/01 Pavement Recess and Wireways Preparation (contd.) Figure 3. Preparing Pavement Recess and Wireways 12 in. (304.8 mm) 24 in. (609.6 mm) 6 in. (152.4 mm) 0.5 in. (12.7 mm) 3 in. (76[...]

  • Page 20

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Installation  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 14 All rights reserved Issued 5/01 Pavement Recess and Wireways Preparation (contd.) • Make sure the recess size and depth are maintained within specified limits. • The recess side walls must be perpendicular t[...]

  • Page 21

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Installation  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 15 All rights reserved Issued 5/01 connection is solid and secure. Refer to Table 4 in Specifications in the Description section for required isolation transformers.[...]

  • Page 22

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Installation  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 16 All rights reserved Issued 5/01 4. Turn on the power. Operate the light assembly for a minimum of five minutes. Turn off the power and allow the light assembly to cool. 5. Position the light assembly over the L-[...]

  • Page 23

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Installation  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 17 All rights reserved Issued 5/01 5. See Figure 4. Use an alignment jig to align the light assembly. The jig has three positioning screws that fit into the tapped holes holding the light fixture to the shallow bas[...]

  • Page 24

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Installation  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 18 All rights reserved Issued 5/01 6. To attach the alignment jig, remove bolts #1, 2, and 3 from the light fixture. 7. Secure the jig with the three screws provided with the fixture. Contact the Siemens Airfield S[...]

  • Page 25

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Maintenance  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 19 All rights reserved Issued 5/01 This section provides maintenance information and procedures for the L-852A-D light fixture. Service life depends upon the entire assembly being waterproof. All surfaces must be cl[...]

  • Page 26

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Maintenance  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 20 All rights reserved Issued 5/01 Replacing Lamp WARNING: Turn off the circuit before replacing lamp(s). Failure to observe this warning may result in personal injury, death, or equipment damage. WARNING: Allow tim[...]

  • Page 27

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Maintenance  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 21 All rights reserved Issued 5/01 1 2 3 4 5 6 7 8 9 11 10 Bolt #1 Bolt #2 Bolt #3 Bolt #4 Bolt #5 Bolt #6 Figure 5. Cutaway View of Optical Assembly 1. Cutout Clip 5. Prism 9. Pan Head Screws 2. Disc Cutouts 6. Pri[...]

  • Page 28

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Maintenance  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 22 All rights reserved Issued 5/01 Cleaning Light Channel and Prism (contd.) 2. Clean the outer surface of the prism (6) using liquid glass cleaner. If the prism is coated with a substance impervious to the cleaner,[...]

  • Page 29

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Troubleshooting  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 23 All rights reserved Issued 5/01 WARNING: Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in this document and all other related documentation. WARNING[...]

  • Page 30

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Troubleshooting  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 24 All rights reserved Issued 5/01 Problem Possible Cause Corrective Action 5. Short lamp life Current too high Check constant current regulator and isolation transformer. Water in assembly Inspect prism. Open l[...]

  • Page 31

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Repair  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 25 All rights reserved Issued 5/01 This section describes procedures for repairing and replacing parts. It includes replacing the film disc cutout assembly, the lamp, and prism. To replace the film disc cutout assembly, [...]

  • Page 32

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Repair  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 26 All rights reserved Issued 5/01 Figure 6. Replacing Film Disc Cutout Assembly 4. Install new or existing o-ring from Step 4. Coat o-ring with silicone grease before installing. 5. Place bottom cover assembly in place [...]

  • Page 33

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Repair  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 27 All rights reserved Issued 5/01 WARNING: Turn off the circuit before replacing lamp(s). Failure to observe this warning may result in personal injury, death, or equipment damage. WARNING: Allow time for the unit to co[...]

  • Page 34

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Repair  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 28 All rights reserved Issued 5/01 6. Replace the film disc cutout (2) (if used) from the inner cover assembly. To remove the cutout, perform the following procedure: a) Loosen the screw that secures the wire lead to the[...]

  • Page 35

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Parts  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 29 All rights reserved Issued 5/01 To order parts, call Siemens Airfield Solutions Customer Service or your local representative. Use this four-column parts list, and the accompanying illustration, to describe and locate [...]

  • Page 36

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Parts  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 30 All rights reserved Issued 5/01 44D237X - X X X X * For a configuration not shown, contact the Siemens Airfield Solutions Sales Department. Figure 7. L-852A-D Light Fixture Part Numbers Filter Colors* 1 = Green/Green 2[...]

  • Page 37

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Parts  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 31 All rights reserved Issued 5/01 See Figure 8. Item Description Part Number Note 1 Lamp assembly Lamp assembly, 45 W, 6.6 A (L-852C, L-852D) 44B1605 Lamp assembly, 30 W, 6.6 A (L-852A, L-852B, L-852C) 44A4785 2 Outer co[...]

  • Page 38

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Parts  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 32 All rights reserved Issued 5/01 1 2 3 4 5 6 7 Figure 8. L-852A-D Light Fixture with Shallow Base (Part 1 of 2) L-852A-D Light Fixture Parts List (contd.)[...]

  • Page 39

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Parts  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 33 All rights reserved Issued 5/01 Figure 8. L-852A-D Light Fixture with Shallow Base (Part 2 of 2) 4.5 in. (104.3 mm) (Minimum) 8[...]

  • Page 40

    Type L-852A-D Dualite Bidirectional Taxiway Light Fixtures Parts  2001 Siemens Airfield Solutions, Incorporated 96A0149E Page 34 All rights reserved Issued 5/01 See Figure 8. Item Description Part Number Note 1 Lamp assembly Lamp assembly, 45 W, 6.6 A (L-852C, L-852D) 44B1605 Lamp assembly, 30 W, 6.6 A (L-852A, L-852B, L-852C) 44A4785 6 Film dis[...]