(b)  
P18 Panel
 1) L ALPHA VANE HTR
 2) R ALPHA VANE HTR
 3) STALL WARN 1 AC
 4) STALL WARN 1 DC
 5) STALL WARN ASYM MODE

 S 014-054-001
 (2)  Remove the applicable sidewall panel adjacent to the captain's or the first officer's seat to get access to the AOA sensor.
 S 034-020-001
 WARNING: MAKE SURE THAT THE AOA SENSOR VANE IS COOL BEFORE YOU TOUCH IT.
_______
 THE HEAT OF THE VANE CAN BURN YOU.

 CAUTION:_______DO NOT APPLY FORCE TO THE AOA SENSOR VANE. YOU CAN DAMAGE THE AOA SENSOR IF YOU APPLY FORCE TO THE VANE OR YOU SPIN THE SENSOR.
 (3)  
Remove the 8 mounting screws at the sensor.

 S 024-044-001

 (4)  
Disconnect the electrical connector from the sensor.

 S 024-045-001

 (5)  
Move the sensor from side to side to loosen it.

 (6)  
Remove the sensor.

 S 024-046-001
 TASK 27-32-11-404-019-001
 3.  Angle of Airflow Sensor Installation (Fig. 401)____________________________________
 A. Consumable Materials
 (1)  
A00247 Adhesive - BMS 5-95, Class B

 B.
References

 (1)  
AMM 22-11-38/501, Angle of Airflow Sensor

 (2)  
AMM 27-32-00/501, Stall Warning System

 (3)  
AMM 27-83-00/501, Leading Edge Autoslat System

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH DIGITAL STALL WARNING ú

 27-32-11
 COMPUTER P/N 65-52819  ú CONFIG 1 ú 02 Page 402 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (4)  
AMM 30-31-00/501, Alpha Vane Heater Test

 C.
Access

 (1)  
Location Zone
 101, 102 Control Cabin

 D.
Installation Procedure

 S 424-047-001
 (1)  
Carefully insert the sensor vane through the fairing from inside the control cabin.

 S 424-048-001

 (2)  
Install the sensor with the gasket, the filler ring, and the 8 mounting screws.

 S 024-049-001

 (3)  
Make sure that the face of sensor aligns with the fuselage outer skin by |0.02 inches or less.

 (a)  
If the sensor does not align with the skin, adjust the filler ring: 1) Remove laminations from the filler ring to make it thinner,

 or replace the filler ring to make it thicker.
 WARNING: DO NOT LET ADHESIVE GET ON THE ANGLE OF AIRFLOW
_______ SENSOR. ADHESIVE CAN JAM THE ANGLE OF AIRFLOW SENSOR.
 2) If you install a new filler ring, bond it to the inner face of the skin doubler. 3) Make sure you apply a minimum of 0.0005 inch of adhesive to to the mating surfaces.
 NOTE: You can possibly apply 0.010 to 0.030 inch of
____ adhesive to seal correctly.
 S 424-050-001
 (4)  
Connect the electrical connector to the sensor.

 (5)  
Install the sidewall panel.

 S 864-052-001

 (6)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6 Panel
 1) AUTOSLAT 1 AC
 2) AUTOSLAT 1 DC
 3) AUTOSLAT 2 AC
 4) AUTOSLAT 2 DC
 5) STALL WARN 2 AC
 6) STALL WARN 2 DC

 S 414-051-001
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH DIGITAL STALL WARNING ú

 27-32-11
 COMPUTER P/N 65-52819  ú CONFIG 1 ú 02 Page 403 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (b)  
P18 Panel
 1) L ALPHA VANE HTR
 2) R ALPHA VANE HTR
 3) STALL WARN 1 AC
 4) STALL WARN 1 DC
 5) STALL WARN ASYM MODE

 E.
Test Procedure

 S 484-022-001
 (1)  
　
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