L-862S Stop Bar Elevated Light
96A0246 Rev. G
Maintenance
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16
2.4 Maintenance
To keep L-862S light fixtures operating efficiently, follow a preventive maintenance schedule.
Refer to Table 7. Refer to FAA AC 150/5340-26 for more detailed information.
Table 7:
L-862S Light Fixture Maintenance
Interval
Maintenance Task
Action
Daily
Check for burned out lamp.
After turning off power, replace burned-out lamps. Refer to
“Repair” on page 18.
Check for dim lamp.
After turning off power, replace burned-out lamps. Check
isolation transformer on series circuit. Refer to t“Repair” on
page 18.
Check for broken lens.
Replace lens or lens assembly.
Weekly
Check for vegetation.
Remove vegetation. Use weed killer.
Check for dirty lens.
Clean with glass cleaner.
Monthly
Check for misaligned fixture.
Straighten, level, and align.
Check for dirt on fixture drain holes.
Clean drain holes.
Semi-Annually
Check for improper ground elevation.
Grade so frangible point is level with ground elevation.
Check for improper light elevation.
Maintain the same elevation for all light fixtures.
Check for moisture present in light housing or on L-
867 base.
Check drain holes and clamps for dirt. Clean drain holes and
clamps, if necessary. Check lens for cracks. If damaged,
replace. Use water pump to remove water from the base.
Check for corrosion or loose or chipped paint.
Scrape and repaint.
Annually
Check for cracks, corrosion, and shorts.
Repair or replace.
Check for dirty contacts.
After turning off the power, clean contacts.
Check for loose wire connections.
Tighten wire connections.
Unscheduled
Make prediction of heavy snowfall, if necessary.
Use red flags or sticks to mark the location of fixtures to
facilitate snow removal and lessen the chance of damage to
fixtures by snow removal equipment.
