TM 1-1520-238-T-7
11178
1123.
DASE MAINTENANCE OPERATIONAL CHECK (cont)
1123
Task
Result
(3) On pilot and CPG caution/warning
panels (fig. 11110 and fig. 11111),
check that BUCS ON indicators are
lighted.
If BUCS ON indicators are not lighted, go to
paragraph 1151.
If pilot BUCS ON indicator is not lighted, replace pilot
caution/warning panel (TM 1-1520-238-23).
If CPG BUCS ON indicator is not lighted, go to
paragraph 1152.
(4) On pilot and CPG caution/warning
panels, check that BUCS ON indicators
do not remain lighted more than 20
seconds after BUCS TST switch is set
to PLT.
If BUCS ON indicators remains lighted, go to
paragraph 1153.
If CPG BUCS ON indicator remains lighted, go to
paragraph 1154.
s. On pilot ASE panel (fig. 11109), return
BUCS TST switch to center position. On
master caution/warning panels (fig. 11114),
check that BUCS FAIL indicators do not
light within 15 seconds after BUCS TST
switch is released.
If BUCS FAIL indicators are lighted within 15
seconds, perform DASE FD/LS check
(TM 1-1520-238-T-1).
t. On pilot ASE panel, hold BUCS TST switch
to CPG and perform the following:
(1) On pilot center circuit breaker panel
(fig. 11107), check that RTR BRK
circuit breaker is closed and remains
closed.
If RTR BRK circuit breaker does not stay closed, go
to paragraph 1156.
(2) On pilot and CPG master
caution/warning panels (fig. 11114),
press MASTER CAUTION
indicator.
(3) On pilot and CPG caution/warning
panels, check that BUCS ON indicators
are lighted.
If BUCS ON indicators are not lighted, replace lamp
(TM 1-1520-238-23). If lamp is still not lighted, go to
paragraph 1151.
If pilot BUCS ON indicator is not lighted, replace lamp
(TM 1-1520-238-23). If lamp is still not lighted,
replace pilot caution/warning panel
(TM 1-1520-238-23).
(4) On pilot and CPG caution/warning
panels, check that BUCS ON indicators
do not remain lighted more than 20
seconds after BUCS TST switch is set
to CPG.
If CPG BUCS ON indicator does not stay lighted, go
to paragraph 1152.
If BUCS ON indicator remains lighted, go to
paragraph 1154.