TM 1-1520-238-10
Change 8
8-9
c. RMI.
d. Altimeter – Check.
e. Vertical velocity indicator.
f. Stabilator position indicator and placard.
27. Clock – Set.
28. LT – OFF.
29. CSC panel switches – As desired.
30. Right console avionics – OFF. Set to desired fre-
quencies.
31. DPLR/NAV MODE select switch – OFF.
8.13 BEFORE STARTING APU – PILOT.
*1. BATT/EXT PWR switch – BATT position. (EXT
PWR if external power is to be used. Depress
RESET button after EXT PWR is applied.)
2. ICS system – Check.
*3. MASTER CAUTION panel – Check the follow-
ing are illuminated:
a. LOW RPM ROTOR.
b. ENG 1 OUT.
c. ENG 2 OUT.
4. MASTER CAUTION switch – PRESS TO TEST
– Check that all caution/warning and advisory
lights illuminate.
5. Caution/warning panel – Check that the follow-
ing segments are illuminated:
a. PRI HYD PSI.
b. UTIL HYD PSI.
c. OIL PSI ACC PUMP.
d. OIL PSI NOSE GRBX 1.
e. OIL PSI MAIN XMSN 1.
f. OIL PSI MAIN XMSN 2.
g. OIL PSI NOSE GRBX 2.
h. OIL PSI ENG 1.
i. OIL PSI ENG 2.
j. GEN 1/(RECT 1 – BATT).
k. GEN 2/(RECT 2 – BATT).
l. FUEL PSI ENG 1.
m. SHAFT DRIVEN COMP.
n. MAN STAB (BATT).
o. FUEL PSI ENG 2.
p. ENG 1 ANTI ICE.
q. ENG 2 ANTI ICE.
r. CANOPY (if open).
s. EXT PWR (EXT PWR).
t. ADS (EXT PWR).
u. CHARGER (EXT PWR).
v. PNVS (EXT PWR).
w. TADS (EXT PWR).
6. Fire detectors – Test as follows:
a. FIRE TEST DET switch – To position 1.
Check that all fire handles and APU fire
warning lights in both crew stations illumi-
nate.
b. FIRE TEST DET switch – To position 2.
Check same as in step a. above.
7. Engine instrument test panel switch – TST.
Check engine/rotor instrument vertical scale
readings and segments light and digital display
(888) illuminates.
8. Utility hydraulic pressure gauge – Check 2600
psi minimum.
