Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B SAFETY NOTICES NOTICE: NOTICE 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.
Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B SAFETY SYMBOLS DANGER: DANGER The hazard or unsafe practice will result in severe injury or death. WARNING: WARNING The hazard or unsafe practice could result in severe injury or death. CAUTION: CAUTION The hazard or unsafe practice could result in minor injury.
Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B Description General Runway Centerline Light, L-850A The Crouse-Hinds Style 3 Runway Centerline Light is an ITS verified FAA L-850A per FAA AC 150/5345-46 (latest revision).
Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B CAUTION: CAUTION Never handle the light assembly by the leads as this can break the waterproof seal. Installation Installation The Style 3 RCL and TDZ light units are shipped complete, including the lamp(s), and are ready for installation POWER OFF SECURED.
Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B WARNING: 8” Pro APF TCL optical assemblies are designed to withstand a maximum torque of 28 ft-lb (336 WARNING in-lb) per bolt, assuming K=.18 lubricant and appropriate superior-grade 3/8” hardware, however other components within the light fixture installation (i.e.
Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B Relamping WARNING: Light assembly parts are hot when lamp is energized and remain hot for a short time WARNING after lamp/fixture is turned off. Remove and secure power to the fixture.
Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B Gasket Replacement Everytime the Optical Assembly is opened the gasket must be closely examined and replaced if necessary. Any gasket that is stretched, torn, has a permanent set or some other defect, which would prevent it from forming a watertight seal must be replaced with a new gasket.
Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B Lens Replacement If a lens is broken, leaks or is badly pitted or scarred, it must be replaced. It is highly recommended that this task be performed in a clean shop environment.
Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B External Support Ring Gasket Replacement Everytime a light fixture with the optional external support ring gasket is removed from the support ring, the gasket on the inner cover should be examined and replaced if necessary.
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Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B 9.11.1 Regular cleaning is necessary in order to insure that inset lighting fixtures operate at maximum efficiency. The lens and channel in front of the lens should be cleaned periodically with a soft cloth and solvent. The weather and the location of the fixtures will dictate the regularity and type of cleaning.
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Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B Figure 3 Top View of Fixture Figure 4 Side View of Fixture...
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Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B Figure 5 Feed-thru adapter detail Figure 6 Bottom View of Fixture...
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Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B Figure 7 Cut Away View of Fixture...
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Document 9913 Rev. V Instruction Manual Style 3 Runway Centerline Light L-850A & Touchdown Zone Light L-850B Figure 8 Side View of Fixture with Optional External Support Ring Gasket...