TM 55-1510-219-10
3.
AC/DC power-Check.
WARNING
Do not operate radar in congested
areas. Injury could result to
personnel in close proximity to
operating radar.
CAUTION
Do not operate the weather radar
or data link systems in an area
where
the
nearest
effective
surface is 50 feet or less from the
antenna reflector. Scanning such
surfaces within 50 feet of the
antenna reflector may damage
receiver crystals.
4.
Avionics master power switch-ON as
required.
5.
Mission panel-Set.
a.
Mission control-AUTO.
b.
Data link high voltage-Standby.
c.
Antenna select-AUTO.
d.
Antenna
steering-AUTO
(check
azimuth).
e.
Antenna override-AUTO rotate.
f.
Antenna circuit breaker-As required.
6.
Electric elevator trim and autopilot/flight
director operation-Check as required.
7.
Avionics-Check as required.
8.
Flaps-Check as required.
9.
Altimeters-Check and set.
*8-30. TAXIING.
1.
Brakes-Check.
2.
Flight
instruments-Check
for
normal
operation.
3.
Mission control panel-Set as required.
a.
Data
link
high
voltage-ON
as
required.
8-31. ENGINE RUNUP.
1.
Propeller manual feathering-Check by
pulling propeller levers aft through detent
to FEATHER. Check that propeller will
feather, then advance levers to the HIGH
RPM position.
2.
Autofeather-Check as follows:
a.
Condition levers-LOW IDLE.
b.
Autofeather switch-Hold to TEST.
c.
Power
levers-Advance
until
AUTOFEATHER
lights
are
illuminated
(approximately
22%
torque).
d.
#1 power lever-Retard.
(1)
At
approximately18%
torque-#2
AUTOFEATHER light out.
(2)
At approximately12% torque-Both
AUTOFEATHER
lights
out
(propeller starts to feather).
e.
#1 power lever-Approximately 22%
torque.
f.
Repeat steps b thru d for #2 engine.
3.
Overspeed governors-Check as follows:
a.
Power
levers-Set
approximately
1950 RPM (both engines).
b.
#1 propeller governor test switch-
Hold.
c.
#1 propeller RPM 1830 to 1910-
Check.
d.
Repeat steps b and c for #2 engine.
e.
Power levers-Set 1800 RPM.
4.
Primary governors-Check as follows:
a.
Power 1800 RPM-Set/check.
b.
Propeller levers aft to detent-Set.
c.
Propeller RPM 1600-1640-Check.
d.
Propeller levers to HIGH RPM-Set.
5.
Ice vanes-Check as follows:
a.
Ice vane switches to EXTEND.
Verify torque drop, TGT increase,
and illumination of ICE VANE EXT
light-Check.
b.
Ice vane switches to RETRACT.
Verify return to original torque and
TGT,
and
ICE
VANE
light
extinguished-Check.
6.
Anti-ice and deice systems-Check as
follows:
a.
Left pitot switch ON-Check for
loadmeter rise, then OFF.
b.
Right pitot switch ON-Check for
loadmeter rise, then OFF.
8-15