4.0 Maintenance
Maintenance personnel must refer to the maintenance procedure described in the ICAO Airport Services Manual, Part 9,
Airport maintenance practices and in FAA Advisory Circular N° AC150/5340-26, chapter 45, section 4.
Warning
Do not carry out any action on the fixture unless you have read and understood all the information in the chapter 2.
Warning
Make sure that the power to the series circuit is OFF when you carry out maintenance.
4.1 Maintenance Safety
DANGER
Electric Shock Hazard
This equipment may contain electrostatic devices
• Do not operate a system that contains malfunctioning components. If a component malfunctions,
turn the system OFF immediately.
• Disconnect and lock out electrical power.
• Allow only qualified personnel to make repairs. Repair or replace the malfunctioning component
according to instructions provided in its manual.
Failure to follow these instructions can result in death or equipment damage
4.2 Preventive maintenance schedule
Frequency
Check
Action
Daily
For low light output according to ICAO annex
14
- If the optical cover is dirty, clean the optical cover.
- If the optical cover is not dirty,
- replace the complete optical head.
See chapter 5.
- and replace the faulty component in the workshop. See §
Weekly
For contamination
Clean the fixture.
Monthly
Visually for condensation on the inner side of
the optical cover (presence of moisture or
water)
Condensation is an acceptable phenomenon,
as long as it disappears when the equipment
is in use.
Turn on the fixture for 30 minutes. In case the condensation has not
disappeared:
- Remove the optical cover.
- Clean and dry the optical cover.
- Replace the optical cover. gasket. See §.
- Install the dry optical cover.
For failed fixture
- Replace the complete optical head. See
- and replace the faulty component in the workshop. See §
AM.03.120e, Rev. 3.4, 2019/03/29
17
Copyright
©
ADB Safegate, All Rights Reserved
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