L-804 Elevated Runway Guard Light
96A0218 Rev. X
Maintenance
© ADB bvba All Rights Reserved
16
2.4 Maintenance
This section provides maintenance information and procedures for the
L-804 runway guard light.
2.4.1 Maintenance
Schedule
To keep the L-804 light operating efficiently, follow a preventive maintenance schedule. Refer
to Table 4. Refer to FAA AC 150/5340-26 for more detailed information.
Table 4:
L-804 Runway Guard Light Maintenance
2.4.2 Replacing Lamp
NOTE:
Refer to the Parts section for part numbers.
To replace the lamp, perform the following procedure:
1. See Figure 7. Remove the front cover (6) by releasing the two latches (5) on the top of the
L-804 RGL.
Figure 7:
Replacing Lamp/Lens
NOTE:
The cover is hinged at the bottom and will swing down and out.
2. Locate the finger tab (4). Pull the tab toward you. The reflector assembly will swing down
and out.
Interval
Maintenance Task
Action
Daily
Check for burned-out lamp.
Replace lamp. Refer to
Replacing Lamp
in this section.
Check for dim lamp.
Clean lens. Replace lamp, if necessary. Refer to
Replacing Lamp
in this section.
Weekly
Check for vegetation.
Remove vegetation. Use weed killer.
Check for dirty lens.
Clean lens.
Check for incorrect aiming angle.
Adjust elevation setting.
Semi-annually
Check for moisture in the fixture.
Check for cracks in the lens or housing. Repair or
replace lens or housing.
Annually
Inspect fixture for deterioration.
Repair or replace fixture.
Inspect cable insulation.
WARNING
• Turn off the disconnect switch or main circuit breaker before attempting
to service the fixture.
• Touching the quartz lamps with bare fingers may seriously shorten lamp
life. If you touch the quartz lamp, clean the lamp with tissue moistened
with isopropyl alcohol.
• Failure to observe a warning may result in personal injury, death or
equipment damage.
1 - Lens
2 - Lens Gasket
3 - Retaining Clips
4.- Finger Tab
5 - Latch
6 - Front Cover
7 - Top (stamp)
1
2
3
7
2
4
5
6
