31-26-00
 ALL  ú ú 01 Page 532 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 865-253
 (9)  Move thrust lever No. 1 to 19-24 degrees from the idle position.
 (a)  Make sure you hear the continuous horn at thrust lever positions less than 31 degrees from the idle position.
 S 865-254
 (10) Move thrust lever No. 2 forward.
 (a)  Make sure the continuous horn is off at thrust lever positions greater than 33 degrees from the idle position.
 S 865-255
 (11) Move thrust lever No. 2 to 19-24 degrees from the idle position.
 (a)  Make sure you hear the continuous horn at thrust lever positions less than 31 degrees from the idle position.
 S 865-256
 (12) Move the two thrust levers to a position of more than 33 degrees from the idle position.
 (a)  Make sure the continuous horn stops.
 S 865-257
 (13)
 For airplanes not on jacks, push and hold the air sensing switch on the E11 shelf.

 S 865-258

 (14)
 Fully extend the flaps.

 (a)  Make sure you hear the continuous horn at all flap positions larger than 15 units.
 S 865-259
 (15) Push the horn cutout switch on the control stand.
 (a)  Make sure the horn stays on.
 S 865-260
 (16) Retract the flaps to 15 units.
 (a)  Make sure the continuous horn goes off at approximately the 15 unit position.
 S 865-261
 (17) For airplanes not on jacks, release the air sensing switch on the E11 shelf.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 31-26-00
 ALL  ú ú 01 Page 533 ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 865-262
 (18) Fully retract the flaps.
 (a)  Make sure the continuous horn stays off.
 NOTE: If the airplane is not on jacks, the intermittent horn
____ (takeoff configuration) will come on. Set the thrust levers to the idle position to stop the horn.
 S 865-263
 (19) Do a check of switch S138 (AMM 31-26-12/401) and switch S130 (AMM 31-26-23/401) if the test did not operate correctly.
 J. Put the Airplane Back to Its Usual Condition
 S 865-291
 (1)  
Put the thrust levers back to the idle position.

 S 865-292

 (2)  
Remove the aluminum, or copper, or steel shields (slugs) if it is necessary.

 S 865-293

 (3)  
Compress and connect the teleflex cable if it is necessary.

 S 865-294

 (4)  
Lower all the landing gear and install the gear ground lockpins (AMM 32-00-01/201).

 (5)
Remove the protractor and the adapter from the thrust lever.

 (6)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 865-289

 (7)  
Remove hydraulic power if it is not necessary (AMM 29-15-00/201).

 S 865-295
 S 865-288
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 31-26-00
 ALL  ú ú 01 Page 534 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 865-290
 (8)  Lower the airplane and remove the jacks if it is not necessary (AMM 7-11-11/201).
 TASK 31-26-00-825-099
 7. Takeoff Warning System Adjustment
_________________________________
 A. General
 (1)  
Do the adjustment procedures for the Takeoff Warning System when the Takeoff Warning System tests show a malfunction.

 (2)  
Refer to the applicable Removal/Installation procedure when it is necessary to replace a switch.

 B. Equipment
 (1)  
Ohmmeter

 (2)  
Protractor - F52485-500 or 4MIT65B80307-1

 (3)  
Protractor Adapter (Thrust Lever) - F72952-15

 (4)  
Stabilizer Actuator Trammel Bar - F80055-1
　
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