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HBM 150/2 Installation and Maintenance Manual
5 Maintenance
5.1 Maintenance Schedule
Interval
Task
Daily
Inspect for lamp failure and proper rotation.
Bi-monthly
Inspect cleanliness of glass. Clean as necessary.
Annually
Inspect all electrical connections.
Replace beacon lamps at 12,000 hours.
5.2 Maintenance Procedures
5.2.1 Lamp Replacement
WARNING: The lens temperature can be as high as 373 °F
(189 °C). Allow one-half hour for the lamps to cool before
opening the lens cover. Failure to observe this warning may
result in personal injury or equipment damage.
1. Disconnect and lock out power to the beacon.
2. The beacon head cover has either (a) one screw and a hinge, or (b) two
screws. Loosen the head cover screw(s) located at the edge of the head
cover, and open or remove the head cover.
3. Remove the lamp by pulling it straight out of the socket.
4. Clean the reflector with glass cleaner.
5. Clean the new lamp with glass cleaner. After cleaning, do not touch the
glass with your fingers.
6. Install the lamp by pushing it straight into the socket. Take care not to rub
the edge of the reflector.
7. Close or replace the head cover, and tighten the screw(s).
8. Repeat as necessary for the other head.
5.2.2 Beam Angle Adjustment
All beacons are shipped from the factory preset at an elevation angle of 5
degrees, per FAA requirements.
To adjust the beacon beam to a different angle, perform the following procedure:
1. The beacon head cover has either (a) one screw and a hinge, or (b) two
screws. Loosen the head cover screw(s) located at the edge of the head
cover, and open or remove the head cover.
Summary of Contents for HBM 150/2
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