b. Perform the illuminator test.
(1)
Every 6 months.
(2)
Following any light bulb replacement.
8-6.
CORRECTIVE MAINTENANCE
a. Perform a retest if the first test results are outside the established limits.
b. Take action to determine any or all of the following causes.
(1)
A lack of cleaning.
(2)
More than one type of fluorescent light.
(3)
Discoloration of external illuminator surface with age.
c. Replace all bulbs if one bulb burns out or starts to flicker.
MD0062
8-6