TM 1-1520-238-T-6
9–752
Change 3
9–395. AUDIO WARNING SYSTEM – MAINTENANCE OPERATIONAL CHECK (cont)
9–395
Task
Result
i. On pilot power quadrant (fig. 9–243). set
engine NO 2 PWR lever to OFF and back to
FLY.
j. On CPG caution/warning panel (fig. 9–244),
check that ENG 2 indicator is lighted and
flashing.
If ENG 2 indicator is not lighted and flashing, replace
lamp (TM 1-1520-238-23.). If lamp still does not light,
go to paragraph 9–405.
M69-344
ENG 2 INDICATOR
ENG 1 INDICATOR
Figure 9–244.
CPG Caution/Warning Panel
k. On CPG master caution/warning panel
(fig. 9–242), press ENGINE 2 OUT indicator.
Check that audio warning is silenced.
If audio warning is still heard, go to paragraph 9–406.
l. On pilot power quadrant, set engine NO 2
PWR lever to OFF position, and RTR BK
switch to LOCK position.
m. On pilot aft circuit breaker panel (fig. 9–239),
open STAB AUTO AC circuit breaker (CB2).
Check that audio warning is heard in pilot
and CPG headsets.
If audio warning is not heard in either headset, go to
paragraph 9–407.
If audio warning is heard in one but not the other
headset, refer to TM 11-1520-238-23-2 to
troubleshoot integrated audio warning system.
n. On pilot stabilator manual control panel
(fig. 9–245), press RESET switch. Check
that audio warning is silenced.
If audio warning is still heard, go to paragraph 9–408.
o. On pilot aft circuit breaker panel, close then
open STAB AUTO AC circuit breaker (CB2).
