Document UT-MT-0812_ENG
Page 20 of 28
Edition 19/05/2016
Suspended edition 18/12/2014
ELEVATED LEDs A APPROACH, THRESHOLD, THRESHOLD WING BAR, RUNWAY END AND STOP BAR LERA
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
4
MAINTENANCE
WARNING
BEFORE ANY MAINTENANCE INTERVENTION, MAKE SURE THE
POWER SUPPLY BE SWITCHED 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 maintenance work to be carried out
on the field is to clean the glass or equivalent components.
4.1
MAINTENANCE PROGRAM
In order to ensure maximum light fixture life, the installed units should be subject to a maintenance
program in accordance with the following instructions and taking as reference the Airport Service
Manual ICAO - Part 9 - Airport Maintenance Practices or FAA AC 150 5340-30.
4.1.1
Periodical Checks
Monthly
Cleaning of the transparent front protections
Correct setting of the lights
Annual
Stability of the civil works
Stability and assembly of lights
Electrical connections and insulation degree
Luminous efficiency of luminous sources
Condition of all the gaskets
Unscheduled
After unusual atmospheric precipitation, check the light
condition and remove any luminous beam obstructions
4.1.2
Snowplow 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 necessary,
any damaged light assemblies.
Recommended snow removal techniques are described in Airport Service Manual ICAO - Part 9 -
Airport Maintenance Practices or FAA AC 150/5200-30.