TM 1-1520-238-T-6
Change 3
9–751
9–395. AUDIO WARNING SYSTEM – MAINTENANCE OPERATIONAL CHECK (cont)
9–395
M69-343
ENGINE NO 2
PWR LEVER
ENGINE NO 1
PWR LEVER
RTR BK
SWITCH
Figure 9–243.
Pilot Power Quadrant
Task
Result
c. On pilot power quadrant, place engine
NO 1 PWR lever to OFF and back to FLY.
d. On CPG caution/warning panel (fig. 9–244),
check that ENG 1 indicator is lighted and
flashing.
If ENG 1 indicator is not lighted and flashing, replace
lamp (TM 1-1520-238-23). If lamp still does not light,
go to paragraph 9–401.
e. On CPG master caution/warning panel
(fig. 9–242), press ENGINE 1 OUT indicator.
Check that audio warning is silenced.
If audio warning is still heard, go to paragraph 9–402.
f. On pilot quadrant (fig. 9–243), set engine
NO 1 PWR lever to OFF. Set engine NO 2
PWR lever to FLY. Check that audio warning
is heard in pilot and CPG headsets.
If audio warning is not heard in both pilot and CPG
headsets, replace engine out warning unit
(TM 1-1520-238-23).
If audio warning is heard in only one headset, refer to
TM 11-1520-238-23-2 to troubleshoot integrated
audio warning system.
g. On pilot master caution warning panel,
check that ENGINE 2 OUT indicator is
lighted and flashing.
If ENGINE 2 OUT indicator is not lighted and flashing,
replace lamp (TM 1-1520-238-23). If lamp still does
not light, go to paragraph 9–403.
h. On pilot master caution warning panel,
press ENGINE 2 OUT indicator, check that
audio warning is silenced.
If audio warning is still heard, go to paragraph 9–404.
