Section XX. MAINTENANCE OF LAMP SWITCHES
The fluorescent lamp switches are mounted in two switchboxes on the inside of the left rear wall. The switches are
used to control the two rows of fluorescent lamps located along the shelter ceiling.
4-43. Lamp Switches
Inspection. Check the fluorescent lamp switches for proper operation, loose connections, and excessive wear.
Remove and replace as required. Inspect the switchbox cover for secure mounting.
Removal. Remove the fluorescent lamp switches as follows:
Position the LIGHTS circuit breaker to off.
Remove the two screws that secure the switchbox cover to the switchbox and remove the cover. (See fig.
Figure 4-23. Fluorescent Lamp Switches, Removal and Installation.