757
MAINTENANCE MANUAL

 S 715-195
 (5)  
Do the previous test steps for the right system if it is necessary.

 S 745-197

 (6)  
Hold down the STALL L and the STALL R test switches.

 (a)  
Make sure the leading edge slats move to the fully extended position.

 NOTE: The left and right stick shakers will shake the columns.
____
 S 745-192
 (7)  
Release the STALL L and the STALL R test switches.

 (a)  
Make sure the leading edge slats move to the intermediate position.

 NOTE: The left and right stick shakers and columns will stop.
____
 S 865-099
 (8)  
Put the flap lever in the zero (FLAPS UP) detent.

 (a)  
Make sure the leading edge slats move to the fully retracted position.

 G.  
Put the Airplane Back to Its Usual Condition If the System Test is Not Required

 S 865-013
 (1)
Remove pressure from the left hydraulic system (AMM 29-11-00/201).

 S 865-232

 (2)  
Set the PTU manual switch on the right side panel, P61 to the OFF position.

 S 985-014

 (3)  
Put the left, center, and right IRS MODE SELECT switches in the OFF position.

 (4)
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 865-015
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 445-199
 (5)  Do the activation procedure for the thrust reversers (AMM 78-31-00/201).
 TASK 27-32-00-735-016
 3. System Test - Stall Warning System (Fig. 501, 502)
__________________________________
 A. General
 (1)  
The function of this test is to make sure that the Stall Warning System is serviceable. The tests for the left and right systems are almost the same. In part of the procedure, the test of the left and right systems are in the same steps. In the remaining parts of the procedure the test of the left and right system are in different steps.

 B.
References

 (1)  
AMM 24-22-00/201, Electrical Power - Control

 (2)  
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic System

 (3)  
AMM 31-41-00/201, Engine Indication and Crew Alerting System

 (4)  
AMM 32-09-02/201, Air/Ground Relays

 (5)  
AMM 71-11-04/201, Fan Cowl Panels

 (6)  
WDM 34-46-12

 C.
Equipment

 (1)  
Data Bus Analyzer 429EB (preferred)
 JcAIR Instrumentation
 400 Industrial Parkway
 Industrial Airport, KS 66031

 (2)  
Data Bus Analyzer 429-2 (optional)
 Interface Technology
 150 E. Arrow Highway
 San Dimas, CA 91773

 (3)  
Proximity Sensor Actuator/Deactuator Set -

ú  A27092-84 (2 Rectangular sensor deactuators and 1 rectangular sensor actuators required)
 D. Access
 (1)  
Location Zones
 119 Main Equipment Center (RH Side)
 211/212 Control Cabin
 500/600 Left Wing/Right Wing

 E.
Prepare for the Test

 (1)  
Do the operational test for the stall warning system.

 S 715-017
 NOTE: This test is the first task in this procedure.
____
 F. Do a Test of the System Power Supplies
 S 865-018
 (1)  
Open this circuit breaker on the P11 panel:

 (a)  
11J33, WARN ELEX A

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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