(5)  
Make sure that the stall warning system No. 1 operates in the high thrust mode:

 (a)  
Set the airspeed to 100 knots.

 (b)  
Adjust the power supply to set the engine No. 1 N1 indicator to 80% (3.27 |0.04V dc).

 (c)  
Adjust the power supply to set the engine No. 2 N2 indicator to 80% (3.27 |0.04V dc).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH DIGITAL STALL WARNING ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 (d)  
Turn the left AOA sensor counterclockwise (trailing edge up) until the captain's control column shaker operates.

 (e)  
Make sure that the shaker started to operate at 3.0 |1.0 degrees.

 (f)  
Turn the left AOA sensor clockwise to the range where the shaker stops.

 (g)  
Adjust the power supplies to set N1 and and N2 to 0%

 (0.17 |0.04V dc).
 (h)  
Increase the airspeed to 120 knots.

 (i)  
Adjust the power supply to set the engine No. 1 N1 indicator to 120% (4.83 |0.05V dc).

 (j)  
Adjust the power supply to set the engine No. 2 N2 indicator to 80% (3.27 |0.04V dc).

 (k)  
Turn the left AOA sensor counterclockwise until the captain's shaker operates.

 (l)  
Make sure that the shaker started to operate at 4.5 |0.7 degrees.

 (m)  
Turn the left AOA sensor clockwise to the range where the shaker stops.

 (n)  
Adjust the power supplies to set N1 and N2 to 0%

 (0.17 |0.04V dc).
 S 865-055-001
 (6)  
Open this circuit breaker:

 (a)  
P18 Panel
 1) STALL WARN DC

 (7)  
Remove the power supplies and the jumper.

 S 485-058-001

 (8)  
AIRPLANES WITHOUT EIS; Connect two dc power supplies for the engine N1 and N2 signals:

 (a)  
Connect one 0-5V dc power supply at the engine 2 N1 indicator connector D544 pins 17 (+) and 18 (gnd).

 (b)  
Connect one more 0-5V dc power supply at the engine 1 N2 indicator connector D548 pins 13 (+) and 14 (gnd).

 (c)  
Connect a jumper between pins 3 and 25 of the connector D544.

 S 085-056-001
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH DIGITAL STALL WARNING ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 S 485-060-001
 (9)  
AIRPLANES WITH EIS; Connect two dc power supplies for the engine N1 and N2 signals:

 (a)  
Connect one 0-5V dc power supply at the engine 2 N1 indicator connector D10094 pins 15 (+) and 16 (gnd).

 (b)  
Connect one more 0-5V dc power supply at the engine 1 N2 indicator connector D10096 pins 13 (+) and 14 (gnd).

 (c)  
Connect 28V dc to the connector D10094 pin 19 with a jumper.

 S 865-061-001
 (10)
 Close this circuit breaker:

 (a)  
P6 Panel
 1) STALL WARN DC

 S 715-062-001
 (11)
 Make sure that the stall warning system No. 2 operates in the high thrust mode:

 (a)  
Set the airspeed to 100 knots.

 (b)  
Adjust the power supply to set the engine No. 2 N1 indicator to 80% (3.27 |0.04V dc).

 (c)  
Adjust the power supply to set the engine No. 1 N2 indicator to 80% (3.27 |0.04V dc).

 (d)  
Turn the right AOA sensor clockwise (trailing edge up) until the first officer's control column shaker operates.

 (e)  
Make sure that the shaker started to operate at 3.0 |1.0 degrees.

 (f)  
Turn the right AOA sensor counterclockwise to the range where the shaker stops.

 (g)  
Adjust the power supplies to set N1 and and N2 to 0%
　
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