TM 1-1520-238-T-6
9–383
9–150. CIRCUIT PROTECTION SYSTEM (AC ESSENTIAL BUS 1 – PILOT STATION) –
9–150
MAINTENANCE OPERATIONAL CHECK (cont)
Task
Result
g. On pilot forward circuit breaker panel
(fig. 9–158), close the following circuit
breakers:
MISSION PNVS AC (CB81),
MISSION IHADSS (CB41),
MISSION RDR JAM AC (CB74),
MISSION SYM GEN (CB45),
MISSION EL AC (CB92),
MISSION FC AC (CB51),
NAV HARS AC (CB42),
NAV HSI (CB43),
NAV AIR DATA AC (CB84).
If MISSION PNVS AC circuit breaker (CB81) does not
stay closed, go to paragraph 9–153.
If MISSION IHADSS circuit breaker (CB41) does not
stay closed, go to paragraph 9–154.
If MISSION RDR JAM AC circuit breaker (CB74)
does not stay closed, go to paragraph 9–155.
If MISSION SYM GEN circuit breaker (CB45) does
not stay closed, go to paragraph 9–156.
If MISSION EL AC circuit breaker (CB92) does not
stay closed, go to paragraph 9–157.
If MISSION FC AC circuit breaker (CB51) does not
stay closed, go to paragraph 9–158.
If NAV HARS AC circuit breaker (CB42) does not stay
closed, go to paragraph 9–159.
If NAV HSI circuit breaker (CB43) does not stay
closed, go to paragraph 9–160.
If NAV AIR DATA AC circuit breaker (CB84) does not
stay closed, go to paragraph 9–161.
h. On pilot center circuit breaker panel, close
the following circuit breakers:
LT PRI (CB39),
LT ANTI COL (CB40),
LT FORM (CB90),
ASE AC (CB18).
If LT PRI circuit breaker (CB39) does not stay closed,
go to paragraph 9–162.
If LT ANTI COL circuit breaker (CB40) does not stay
closed, go to paragraph 9–163.
If LT FORM circuit breaker (CB90) does not stay
closed, go to paragraph 9–164.
If ASE AC circuit breaker (CB18) does not stay
closed, go to paragraph 9–165.
i. On pilot aft circuit breaker panel, close the
following circuit breakers:
ECS L NOSE GRBX HTR (CB38),
POWER XFMR RECT 1 (CB1),
POWER ENG 1 (CB62),
STAB AUTO AC (CB2),
STAB MAN AC (CB7),
ECS R NOSE GRBX HTR (CB211).
If ECS L NOSE GRBX HTR circuit breaker (CB38)
does not stay closed, go to paragraph 9–166.
If POWER XFMR RECT 1 circuit breaker (CB1) does
not stay closed, go to paragraph 9–167.
If POWER ENG 1 circuit breaker (CB62) does not
stay closed, go to paragraph 9–168.
If STAB AUTO AC circuit breaker (CB2) does not
stay closed, go to paragraph 9–169.
