Install the gage; position the gage in the
mounting bracket; install the two mounting screws and
nuts and tighten nuts securely.
Check gages for correct level indication
by placing several levels in various locations and
positions on shelter floor. Adjust shelter level gages
Section XXVI. MAINTENANCE OF FLUORESCENT LAMPS
Two rows of fluorescent lamps are installed along
the ceiling of the shelter; five lamps on the left side
and five lamps on the right side. They are controlled
by two switchboxes located on the inside of the left-
hand rear wall.
4-57. Fluorescent Lamps.
Removal. To remove a fluorescent lamp, grasp
the lamp tube, rotate it 90 degrees, and remove from
sockets. (See fig. 4-33.)
Figure 4-33. Fluorescent Lamp Tube Replacement
Installation. To install a fluorescent lamp,
place the replacement lamp below the sockets with the
pins vertical, insert the lamp into the sockets, and twist
the lamp until the pins lock into position.
Section XXVII. MAINTENANCE OF LAMP SWITCHES
The fluorescent lamp switches are mounted in two
switchboxes on the inside of the left-hand rear wall. The
switches are used to control the two rows of fluorescent
lamps located along the shelter ceiling.
4-59. 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.