TM 10-6640-216-13&P
4-19. REMOVE/INSTALL FLUORESCENT LIGHT BALLAST - continued.
c.
Fasten ballast cover in place with two screws.
d.
Tighten ballast cover screws.
e.
Fasten diffuser in place with four screws.
f.
Tighten diffuser mounting screws,
g.
Restore power to lights by placing circuit breaker CB17 in the ON position.
4-44
