TM 55-1520-240-23-7
9-124.1
LIGHT LEAK TEST
(Continued)
9-124.1
39.
Close ENGINE NO. 1 FIRE DET circuit breaker
(59) in No. 1 PDP (23).
40.
Close ENGINE NO. 2 FIRE DET circuit breaker
(60) in No. 2 PDP (1).
41.
Set and hold fire detection test switch (61) to
TEST. Check No. 1 and No. 2 fire handles (62
and 63). There shall be no white light leaks.
42.
Set switch (61) to OFF.
43.
Open two circuit breakers (59 and 60).
9-483