(1)
Slowly turn each AOA sensor between its stops (approximately 70°).
(a)
Make sure that only light torque is necessary to turn the sensor.
(b)
Make sure that there is no change in the torque.
S 485-080-002
(2)
Attach a test calibrator to each AOA sensor.
(a)
Set each AOA sensor trailing edge down 20 |1° from zero.
S 745-081-002
(3)
Do a check of the left AOA input to SMC 1:
(a)
Push the MENU button on the SMC maintenance control panel on the front of SMC 1.
(b)
Make sure that the SMC 1 display shows ARINC TESTS?.
(c)
Push the NO button on SMC 1.
(d)
Make sure that the SMC 1 display shows SENSOR TESTS?
(e)
Push the YES button on SMC 1.
(f)
Make sure that the ALPHA value on the SMC 1 display is -20 |1° - aerodynamic offset.
NOTE: The aerodynamic offset is written on the trailing edge
____
of the left AOA sensor.
(g)
Turn the left AOA sensor to -14°.
(h)
Make sure that the value on the SMC 1 display is -14 |1° - aerodynamic offset.
(i)
Turn the left AOA sensor to 0°.
(j)
Make sure that the value on the SMC 1 display is 0 |1° - aerodynamic offset.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STALL MANAGEMENT ú
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COMPUTER P/N 65-52822 ú CONFIG 2 ú 05 Page 509 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
(k)
Turn the left AOA sensor to 14°.
(l)
Make sure that the value on the SMC 1 display is 14 |1° - aerodynamic offset.
(m)
Turn the left AOA sensor to 20°.
(n)
Make sure that the value on the SMC 1 display is 20 |1° - aerodynamic offset.
K.
SMC 2 AOA Sensor Input Test
S 745-082-002
(1)
Do a check of the right AOA input to SMC 2:
(a)
Push the MENU button on the SMC maintenance control panel on the front of SMC 2.
(b)
Make sure that the SMC 2 display shows ARINC TESTS?.
(c)
Push the NO button on SMC 2.
(d)
Make sure that the SMC 2 display shows SENSOR TESTS?
(e)
Push the YES button on SMC 2.
(f)
Make sure that the ALPHA value on the SMC 2 display is -20 |1° + aerodynamic offset.
NOTE: The aerodynamic offset is written on the trailing edge
____
of the right AOA sensor.
(g)
Turn the right AOA sensor to -14°.
(h)
Make sure that the value on the SMC 2 display is -14 |1° + aerodynamic offset.
(i)
Turn the right AOA sensor to 0°.
(j)
Make sure that the value on the SMC 2 display is 0 |1° + aerodynamic offset.
(k)
Turn the right AOA sensor to 14°.
(l)
Make sure that the value on the SMC 2 display is 14 |1° + aerodynamic offset.
(m)
Turn the right AOA sensor to 20°.
(n)
Make sure that the value on the SMC 2 display is 20 |1° + aerodynamic offset.
(2)
Remove the calibrators from the two AOA sensors.
S 085-083-002
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STALL MANAGEMENT ú
27-32-00
COMPUTER P/N 65-52822 ú CONFIG 2 ú 02 Page 510 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
L. SMC Flap Position Inputs Test
S 865-084-002
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