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Document UT-MT-0708_EN 

Page 14 of 17 

 

Edition 11/03/2014 

Supersedes edition 11/14/2013 

LED ELEVATED HELIPORT LIGHT LHE 
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE 

 

 

4.4

 

LENS REPLACEMENT 

Unscrew the lens locking ring and remove the broken lens with the relevant gasket 
from the fixture body. 

In  order  to  removal  the  lens,  press  down  the  lens  with  the  palm  of  one  hand  and, 
with the other hand, unscrew the locking ring (Figure 6). 

Place a new gasket on the body. 

Set the new lens on the body. 

Hand tighten the locking ring. 

 

Figure 6 – Removing the Lens 

 

4.5

 

 LED MODULE REPLACEMENT 

Remove the lens with gasket as above described and proceed as follow: 

 

remove the LED module by unscrewing the four M3x8 HSCH screws 

 

take out the electronic from the body and disconnect the LED module from the 
PCB 

 

provide a new LED module and reassembly the unit with reverse procedure 

IMPORTANT:  IT  IS  SUGGESTED  TO  REPLACE  THE  LENS  GASKET  TO  NOT  AFFECT 
WATERTIGHTNESS. 

Make  sure  the  tooth  of  the  Electronic  goes  to  inserted  into  its  seat  on  the  body 
(Figure 7). 

Summary of Contents for LHE

Page 1: ...IVERED BY MEANS OF THE AUTOMATIC KNOWLEDGE MANAGEMENT SYSTEM IT CAN BE SIGNED ON REQUEST THIS DOCUMENT AND THE DATA CONTAINED HERE IN IS PROPRIETARY PROPERTY AND SHALL NOT BE DUPLICATED USED OR DISCLO...

Page 2: ...the applicable warranty period All costs of transportation of Products claimed not to be warranted and of those repaired or replaced to or from the facility of the Company shall be borne by Purchaser...

Page 3: ...he unit opened the main circuit breaker and removed the supply to the unit by opening the circuit breaker switch on the distribution board at the beginning of the supply line Then wait discharge time...

Page 4: ...AND MAINTENANCE EDITIONS Date 02 10 2013 11 14 2013 11 03 2014 First issue Updated chapter Cable lead with plug and List of the recommended spare parts New address of the Company Deleted List of the...

Page 5: ...4 1 1 Periodical Checks 13 4 1 2 Snowplow Operations 13 4 2 REMOVING AND OPENING THE LIGHT UNIT 13 4 2 1 Removing the fixture 13 4 3 LENS CLEANING 13 4 3 1 Prism outside cleaning 13 4 4 LENS REPLACEME...

Page 6: ...EN Page 6 of 17 Edition 11 03 2014 Supersedes edition 11 14 2013 LED ELEVATED HELIPORT LIGHT LHE INSTRUCTION MANUAL FOR USE INSTALLATION AND MAINTENANCE LIST OF ATTACHMENTS UC PU 0279 LIST OF THE RECO...

Page 7: ...the pole using three screws These screws also allow the levelling of equipment the power supply control PCB and the LED circuit are mounted on the aluminium inner body steel 1 inch tube available in...

Page 8: ...Document UT MT 0708_EN Page 8 of 17 Edition 11 03 2014 Supersedes edition 11 14 2013 LED ELEVATED HELIPORT LIGHT LHE INSTRUCTION MANUAL FOR USE INSTALLATION AND MAINTENANCE Figure 1 Exploded View...

Page 9: ...ug 1 11 Fixture grounding wire 1 Figure 2 Part List LHE I G D 25 C P 0 Basic P N Compliance I ICAO IEC S STANAG Colour W White G Green Y Yellow Mode D Parallel Circuits 48 V Height 00 w o pole 25 250...

Page 10: ...ting transformer is housed into a separate concrete pit which is normally placed close the above concrete block Figure 4 The pit can be placed far from the concrete block too but in this case a suitab...

Page 11: ...inch tube over the fixture cable assembly cable leads with plug plus yellow green wire and into the fixture body until the body bottoms against the tube approach without tighten the set screws on the...

Page 12: ...OFF DO NOT OPERATE ON LIVE PARTS LED lighting fixtures do not require frequent maintenance With well run installations and handling fixture carefully avoiding excessive falls or collisions the only ma...

Page 13: ...Operations Snowplow operators should exercise extra care not to strike the light fixtures with snowplow blades After snow removal operations inspect all light fixtures to locate and replace if necess...

Page 14: ...g ring Figure 6 Place a new gasket on the body Set the new lens on the body Hand tighten the locking ring Figure 6 Removing the Lens 4 5 LED MODULE REPLACEMENT Remove the lens with gasket as above des...

Page 15: ...ew electronic and reassembly the unit with reverse procedure IMPORTANT IT IS SUGGESTED TO REPLACE THE LENS GASKET TO NOT AFFECT WATERTIGHTNESS 4 7 BREAKABLE COUPLING REPLACEMENT Unscrew the lower thre...

Page 16: ...sert 4 8 2 Installing the new cable lead with plug Replace the cable gland if damaged Insert a new cable lead and a new grounding wire if necessary into the sealing insert at approx 8 cm from the free...

Page 17: ...TIVE Replace the Power PCB Moisture inside the fixture Execute leakage test and replace damaged components Clean and dry the inside area of the fixture No connection of primary circuit Check transform...

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