20-2. Fluorescent Lamp Assembly
Inspection. Inspect the fluorescent lamp assemblies as follows:
Inspect fluorescent tubes for discoloration and adequate illumination or failure. Replace as
Inspect fluorescent tube sockets for damage and security.
Inspect lamp fixture halves for damage and correct attachment.
Inspect starter and replace if defective.
Inspect ballast and replace if defective.
b. Removal. Remove ballast as follows:
Grasp fluorescent lamp tube, rotate 90 degrees and lower from tube sockets.
Rotate the starter counterclockwise and remove from starter socket.
Position the LIGHTS circuit breaker in the main power service box to off.
Using a thin bladed screwdriver or similar tool, carefully lever the light assembly away from the
ceiling light channel. (See fig. 20-1).
Remove the wire nut which connects one ballast wire to the other lamp circuit wires at one end of
Disconnect the remaining ballast wire from the fluorescent tube receptacle at the other end of the
Remove the screws which attach the ballast to the upper side of the light fixture and remove the
Repair. Repair of the fluorescent lamp assembly consists of replacement of the components.
Installation. Install the ballast as follows:
Correctly position replacement ballast unit on upper side of light fixture and install attaching
Connect one ballast wire to other lamp circuit wires at one end of fixture using a wire nut.
Connect remaining ballast wire to the fluorescent tube receptacle at the other end of the fixture.
Ensuring that no wires become trapped, position the light fixture into the ceiling light channel and
snap into position.
Insert serviceable starter and rotate clockwise until the starter locks.
Position lamp tube below socket receptacles with pins vertical. Insert lamp into sockets and twist
until pins lock.
Position the lights circuit breaker in the main power service box to on.