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DOCUMENT 2529
REVISION E
September 17, 2009
Instruction Manual
Model 4 – LED
Style III
Taxiway Omni-directional Light (TOL)
L-852T
Pro-III In-pavement Omni-directional Fixture
Cooper Industries
Crouse-Hinds Division
Airport Lighting Products
1200 Kennedy Road Copyright © 2009 Cooper Technologies Company
Windsor, CT 06095 For Parts or Technical Service Call (860) 683-4300
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T 1 Revisions Issue/Reissue Revision Description Created/Updated Checked Approved Letter Number A A205-291 INITIAL RELEASE DAT KWF JMM Added item 31 to Figure 5; Parts List, added item 31 & B A208-078 item 8 P/N was 10000-506 & PG KWF 7/3/08 qty was 6 for 12 inch version; 8.5, added support ring to text Parts list item 8 P/N was C A208-230 PG KWF 1/20/09 10B06-019D32 Parts list
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T 2 Limited Product Warranty THE FOLLOWING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT BY WAY OF LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. Crouse-Hinds Airport Lighting Products (the “Company”) warrants to each original Buyer of Products manufactured by the Company that
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T 3 Safety Notices This equipment is normally used or connected to circuits that may employ voltages that are dangerous and may be fatal if accidentally contacted by operating or maintenance personnel. Extreme caution should be exercised when working with this equipment. While practical safety precautions have been incorporated in this equipment, the following rules must be strictly o
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T 4 Table of Contents Title Page i 1 Revisions ii 2 Limited Product Warranty iii 3 Safety Notices iv 4 Table of Contents v 5 Part Number Explanation 1 6 General Description 2 6.1 Taxiway Omni-directional Light, L-852T 2 7 Installation 2 8 Maintenance 3 8.1 Cleaning Lenses 3 8.2 Relamping 3 8.3 Power Supply Replacement 3 8.4 O-Ring Replacement 4 8.5 Lens Re
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T 5 Part Number Explanation – Taxiway Centerline Light, L-852T 1
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T 6 General Description 6.1 Taxiway Omni-directional Light, L-852T The Crouse-Hinds Taxiway Omni-directional Light is a Style 3, FAA L-852T per FAA AC 150/5345-46D. It is designed for installation at the taxiway edge or any other location where visual guidance of moving aircraft or ground vehicles is desirable. The fixture is designed to fit on a FAA L-868, steel, size B or FAA L-8
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T The preferred method of maintaining these lights is to periodically and systematically replace the units and return it to the maintenance shop for renovation. As an alternative, the units can be serviced in the field. However, it is recommended that field servicing be limited to cleaning the lens only as described in section 8.1. 8.1 Cleaning Lenses With a compressed air blast or
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T Every time the unit is opened, the o-ring must be closely examined and replaced, if necessary. Any o-ring that is stretched, torn, has permanent set, or some other defect which would prevent it from forming a watertight seal must be replaced with a new o-ring. NOTICE: A bad o-ring seal is the most common cause of inset fixture leaks. It is strongly NOTICE recommended that a ne
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T Outer Lens with Heater: Outer Lens/Heater Replacement Kit P/N 21333 contains all necessary parts to change a lens/heater assembly. Do as stated above; however, this fixture will not have a lens retaining gasket since it is incorporated into the heater assembly and make sure that when mounting the lens retaining bracket, the heater wires are aligned with the slot on the lens retaining bra
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T A daily operation check should be made of the lighting fixture. The lights should be energized and visually inspected. If any fixtures are out, the location of the fixture should be recorded and the unit inspected at a time when the circuit is de-energized. (See Section 8.2) 8.9.1 Regular cleaning is necessary in order to insure that inset lighting fixtures operate at maximum effici
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T 9 Parts List ITEM NO. STANDARD W/ HEATER STANDARD W/ HEATER STANDARD W/ HEATER PART NUMBER DESCRIPTION 852T4-8 852T4-8-1 852T4-12A 852T4-12A-1 852T4-12B 852T4-12B-1 1 00111 1 21273-XXX HOUSING, OPTICAL, 12-INCH 2 12000 0 21253 HOUSING, OPTICAL, 8-INCH 3 11111 1 10035-62 O-RING, 3/32 THK, 6.25 I.D., POLYURETHANE, 90 DUROMETER 4 11111 1 21254 LENS, OUTER 5 11111 1 21256 BOOT, LENS, OUT
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T Figure 1: Top View of Fixture Figure 2: Side View of Fixture 8
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T Figure 3: Feed-thru Adapter Detail Figure 4: Bottom View of Fixture 9
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DOCUMENT 2529 REV. E Instruction Manual Model 4 – Style III Taxiway Omni-directional Light L-852T Figure 5: Sectioned View of Fixture 10
