TM 1-1520-238-T-6
Change 2
9–647
9–333. PILOT CAUTION AND WARNING SYSTEM – MAINTENANCE OPERATIONAL
9–333
CHECK (cont)
Task
Result
d. On pilot master caution/warning panel,
press and hold PRESS TO TEST indicator.
If all master caution/warning indicators are not lighted,
go to paragraph 9–337.
If MASTER CAUTION indicator is not lighted and
flashing, replace lamp (TM 1-1520-238-23). If lamp
still does not light, go to paragraph 9–338.
If LOW RPM ROTOR indicator is not lighted, replace
lamp (TM 1-1520-238-23). If lamp still does not light,
go to paragraph 9–339.
If FIRE APU indicator is not lighted, replace lamp
(TM 1-1520-238-23). If lamp still does not light, go to
paragraph 9–340.
If ENGINE 1 OUT indicator is not lighted, replace
lamp (TM 1-1520-238-23). If still does not light, go to
paragraph 9–341.
If ENGINE CHOP indicator is not lighted, replace
lamp (TM 1-1520-238-23). If lamp still does not light,
go to paragraph 9–342.
If ENGINE 2 OUT indicator is not lighted, replace
lamp (TM 1-1520-238-23). If lamp still does not light,
go to paragraph 9–343.
If HIGH RPM ROTOR indicator is not lighted, replace
lamp (TM 1-1520-238-23). If lamp still does not light,
go to paragraph 9–344.
If BUCS FAIL indicator is not lighted, replace lamp
(TM 1-1520-238-23). If lamp still does not light, go to
paragraph 9–345.
e. On pilot caution/warning panel (fig. 9–215),
check that all indicators are lighted or
flashing.
If all caution/warning indicators are not lighted or
flashing, go to paragraph 9–337.
If some indicators are not lighted or flashing, replace
appropriate lamp(s) (TM 1-1520-238-23).
If lamps still do not light, go to paragraph 9–331 to
troubleshoot pilot caution/warning indicators.
f. On pilot APU fire test panel (fig. 9–216),
check that PRI DISCH, and RES DISCH
indicators are lighted.
If PRI DISCH indicator is not lighted, replace lamp
(TM 1-1520-238-23). If lamp still does not light, go to
paragraph 9–346.
If RES DISCH indicator is not lighted, replace lamp
(TM 1-1520-238-23). If lamp still does not light, go to
paragraph 9–347.
