31-26-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
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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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