Replacing the Strobe Tube (400ST)
Model 400 Series Lights
16
To replace the strobe tube:
1.
Remove the four screws and chrome load bearing plates which
secure the dome to the housing assembly. Remove the dome.
2. Remove the three 8-32 nuts and dome mounting plate that
secure the Fresnel lens to the mounting plate. Lift the lens away
from the housing assembly.
3.
Grasp the strobe tube by its base and pull it out of the socket,
using a gentle rocking motion. Install a new strobe tube and
reassemble the light.
Figure 5
Strobe tube degradation
290A16502
B
A
A. NEW STROBE TUBE
B. A USED STROBE TUBE TENDS TO DISCOLOR IN THE AREAS
SHOWN AND SHOULD BE REPLACED.
© 2010 Federal Signal Corporation
