(a)  
Press and hold the STALL WARNING TEST NO. 2 switch on the stall warning test module.

 (b)  
Make sure that the first officer's control column shaker operates both columns.

 (c)  
Release the switch.

 (d)  
Make sure that the shaker stops.

 S 865-066-002
 (4)  Remove electrical power (Ref 24-22-00/201).
 TASK 27-32-00-705-054-002
 3. System Test - Stall Warning System
__________________________________
 A. General
 (1)  
Specific values of engine N1 and N2 are necessary for the Engine Tachometer Inputs Test. There are two alternative procedures to supply these N1 and N2 values:

 (a)  
The first procedure is to supply a signal which is equivalent to the output of the N1 and N2 tachometer sensors. These sensors are located on the engines. For this procedure, you will connect the stall warning system tester and two function generators at the electrical connectors of the engine N1 and N2 sensors. To change the N1 or the N2 value, you will change the frequency of the function generator output.

 (b)  
The second procedure is to supply a signal which is equivalent to the output of the N1 and N2 indicators. These indicators are located in the flight compartment. For this procedure, you will connect a variable dc power supply at the electrical connectors of the N1 and N2 indicators. To change the N1 or the N2 value, you will change the dc voltage of the power supply output.

 B.
Special Tools and Equipment

 (1)  
Portable Calibrator - F72786-181. Two required.

 (2)  
Stall Warning System Tester - C77002-20

 NOTE: The Stall Warning System Tester is not necessary if you do
____ the Engine Tachometer Inputs Test with DC Power Supplies.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STALL MANAGEMENT ú

 27-32-00
 COMPUTER P/N 65-52822  ú CONFIG 2 ú 01 Page 502 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 C.

D.
E.
F.
A
737-300/400/500MAINTENANCE MANUAL
Standard Tools and Equipment
 (1)  Synthesizer/Function Generator - Wavetek Model 21 or Hewlett Packard Model 3325B or equivalent (two units are necessary)
 NOTE: The Synthesizer/Function Generators are not necessary if you
____ do the Engine Tachometer Inputs Test with DC Power Supplies.
 (2)  DC Power Supply, variable 0-5V dc.
 NOTE: The DC Power Supply is not necessary if you do the Engine
____ Tachometer Inputs Test with Stall Warning System Tester.
References
 (1)  
24-22-00/201, Manual Control

 (2)  
27-81-00/201, Leading Edge Flaps and Slats

 (3)  
31-42-01/401, EIS Primary Control Panel

 (4)
71-11-02/201, Fan Cowl PanelsAccess

 (1)  
Location Zone 101, 102 Control Cabin 205 Electronic Compartment 502, 503 Fan Cowl, Left Engine 602, 603 Fan Cowl, Right Engine

 (2)  
Access Panels 1103 Forward Access Door 1201 Electronic Equipment Access Door 5737 Right Fan Cowl Assembly, Left Engine 5746 Left Fan Cowl Assembly, Left Engine 5837 Right Fan Cowl Assembly, Right Engine 5846 Left Fan Cowl Assembly, Right Engine

Prepare for the Test
 S 865-067-002
 (1)  
Supply electrical power (Ref 24-22-00/201).

 S 865-068-002

 (2)  
Open these circuit breakers:

 (a)  
P6 Panel
 1) AURAL WARNING

 (b)  
P18 Panel
 1) L ALPHA VANE HTR
 2) R ALPHA VANE HTR
 3) SMC STALL WARN ASYM MODE

 S 865-069-002
 (3)  
Put a value for gross weight in the FMC:

 (a)  
Push the INIT REF button on the FMC CDU.

 (b)  
Push the key for <PERF on the INIT/REF INDEX page.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STALL MANAGEMENT ú

 27-32-00
 COMPUTER P/N 65-52822  ú CONFIG 2 ú 02 Page 503 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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