TM 1-1520-240-MTF
2-30
BEFORE STARTING ENGINES (CONT.)
11. Systems
instruments
—
Check
engine,
transmission, torque, rotor, hydraulics systems,
and airspeed indicators for static indications
slippage marks, orientation, and operating
range markings. Refer to Table 2-1.
B* 12. XMSN OIL PRESS — SCAN.
B* 13. XMSN OIL TEMP switch — SCAN.
14. Flight instruments — Check indications and set
as follows:
a. Turn and slip indicators — Check race full of
fluid, needle and ball centered. Alignment
between indicators.
b. Airspeed indicators — Compare indicator
readings.
c. Vertical
velocity
indicators
—
Note
indications.
d. HSI — Check as follows:
(1) Four flags present RANGE, HDG, NAV,
GS.
(2) Heading knob — Rotate 360 degrees
checking for smooth operation.
(3) Course knob — Rotate 360 degrees
then 90 degrees opposite direction
stopping at a cardinal heading. Check
for smooth operation and that the
course heading and number in the
window are within 1 degree of each
other.
