TM 1-1510-262-10
e. Left POWER lever -- Continue advancing. At approximately 50% torque differential, YD ENG
annunciator should extinguish, and left rudder pedal should start to move forward. Increasing
engine power should result in increased rudder pedal travel. (Observe torque and TGT limits.)
f. Left POWER lever -- Slowly retard. Rudder pedal travel should decrease with decreasing power.
The YD ENG annunciator may licker as rudder boost system disengages.
g. Yaw damper -- Re-engage yaw damper, and repeat steps b. through f. with other engine.
6. Primary governors -- Check as follows:
a. POWER levers -- Set approximately 1500 RPM.
& ENGINE INLET LIP HEAT -- Check as follows:
a. ENG INLET LIP HEAT switches (#1 and #2 ) -- ON . Check #1 and #2 LIP HEAT caution advisory
annunciator lights illuminated.
b. ENG INLET LIP HEAT Advisory lights #1 and #2 illuminate Turn Switch -- OFF
c. ENG INLET LIP HEAT switches (2) -- OFF . Check #1 and #2 LIP HEAT caution advisory
annunciator lights extinguished.
* Anti-ice and deice systems -- Check as follows:
a. WINDSHIELD anti-ice switches (2) -- NORMAL then HIGH . Check PILOT and COPILOT
(individually) for load meter rise, then OFF.
b. AUTO PROP deice switch -- ON (momentarily). Check for load meter rise.
c. MANUAL PROP deice switch -- ON (momentarily). Check for load meter rise, then off.
d. SURFACE deice switch -- SINGLE CYCLE AUTO . Check for drop in pneumatic pressure and
wing deice boot inlation, and after 6 seconds for second drop in pneumatic pressure.
e. SURFACE deice switch -- MANUAL . Check that surface boots inlate, and remain inlated, then off.
f. ANTENNA deice switch -- SINGLE CYCLE AUTO . Check for drop in pneumatic pressure and that
antenna deice boots inlate.
g. ANTENNA deice switch -- MANUAL . Check that boots inlate, and remain inlated, then off.
h. RADOME anti-ice switch -- ON . Check for load meter rise and pneumatic pressure drop then off.
* ( Pneumatics/vacuum/pressurization -- Check as follows:
a. PNEUMATIC PRESSURE gauge/ GYRO SUCTION gauge -- Check in green arcs.
b. CABIN ALT controller -- Set 500 feet lower than ield pressure altitude.
c. Cabin pressurization RATE control -- Set to maximum.
d. ENVIRO & PNEU BLEED AIR valve switches (2) -- ENVIRO & PNEU off.
e. PNEUMATIC PRESSURE gauge/ GYRO SUCTION gauge -- Check. Pressure should drop to zero.
f. BL AIR FAIL OFF annunciators (2) -- Check illuminated.
g. BL AIR FAIL annunciators (2) -- Check illuminated.
h. CABIN PRESS switch -- TEST (hold).
i. LEFT PNEU & ENVIRO BLEED AIR valve switch -- ON.
j. L BL AIR OFF annunciator -- Check extinguished.
k. L and R BL AIR FAIL annunciators -- Check extinguished.
l. PNEUMATIC PRESSURE gauge/ GYRO SUCTION gauge -- Check in green arcs.
m. CABIN CLIMB indicator -- Check for descent indication within approximately 10 to 15 seconds,
then release TEST switch.
n. LEFT PNEU & ENVIRO BLEED AIR valve switch -- OFF.
o. Repeat steps i. through m. using the right bleed air valve.
p. CABIN PRESS switch -- Release.
q. CABIN ALT controller -- Reset as required.
r. Cabin pressurization RATE control -- Reset as required.
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