(h)  
Remove the angle-of-airflow sensor calibrator tool from the right alpha vane.

 S 865-021
 (4)  
Close the R ALPHA VANE HEATER and L ALPHA VANE HEATER circuit breakers on the P18-3 Circuit Breaker Panel.

 S 745-152

 (5)  
Push the INIT/REF key on the CDU keyboard to get out of the BITE.

 M. Put the Airplane Back to Its Initial Condition
 S 865-122
 (1)  
Remove hydraulic power if it is not necessary (AMM 29-15-00/201).

 S 085-123

 (2)  
Remove all the test equipment.

 S 085-124

 (3)  
Remove the feel pitot system pressure air supply.

 S 015-125

 (4)  
Close all the access panels and doors.

 S 865-126

 (5)  
Close all the circuit breakers.

 S 865-127

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

 TASK 22-11-01-735-132
 5.  DC Bus Isolation Test______________________
 NOTE: This is a scheduled maintenance task.
____
 A. Bus Isolation Test
 S 865-097
 (1)
Set the meter selector switch for the TRU to the TR2 position.

 S 865-098

 (2)  
Open the AFCS B FCC DC circuit breaker on the P6-2 Circuit Breaker Panel.

 S 865-099

 (3)  
Open the TR2 and TR3 circuit breakers on the P6-4 Circuit Breaker Panel.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú

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A
737-300/400/500MAINTENANCE MANUAL
 (4)  S 745-192Make sure that the DC voltmeter on the Pilots' Overhead Panel, P5-13 reads 22 to 30v dc.
 (5)  S 745-161Push the INIT/REF key on the CDU keyboard to show the POS INIT page or PERF INIT page.
 (6)  S 745-101Push the LSK adjacent to <INDEX to show the INIT REF INDEX 1/1 page.
 (7)  S 745-102Push the LSK adjacent to MAINT> to show the MAINT BITE INDEX 1/1 page.
 (8)  S 745-103Push the LSK adjacent to <DFCS to show the DFCS BITE TEST LINE MAINT 1/2 page.
 (9)  S 745-104Push the NEXT PAGE key on the CDU keyboard to show the DFCS BITE TEST OVERNIGHT MAINT 2/2 page.
 S 745-105

 (10) Push the LSK adjacent to <GROUND FUNCTIONAL.
 NOTE: The CDU display will show TEST IN PROGRESS during the
____ 13-second cross-channel test.
 S 745-106
 (11)
 Follow the CDU instructions until the CDU display shows the CHANNEL SELECTION page.

 S 745-107

 (12)
 Push the LSK adjacent to <CHANNEL A to show the FCC memory contents of channel A.

 S 745-108

 (13)
 Push the LSK adjacent to <TEST SELECTION.

 S 745-109

 (14)
 Use the CDU keyboard to put the library test No. 13 into the CDU scratchpad.

 S 745-110

 (15)
 Push the LSK 6R to put the library test No. 13 on the screen and in the memory.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 745-111
 (16)
 Push the LSK adjacent to <EXECUTE to do the test 60.13 "AFDS FMA" is shown on the CDU.

 S 745-112

 (17)
 Do the preparation steps as shown on the CDU display but keep the TR2, TR3, AFCS B FCC DC circuit breakers open.

 S 745-113

 (18)
 Push the LSK adjacent to <CONTINUE until the question "Is the word TEST displayed on the CAPT EADI?" is shown on the CDU.

 S 745-114

 (19)
 Make sure that the DC voltmeter on the Pilots' Overhead Panel, P5-13 is at 0v dc when the question "Is the word TEST displayed on the CAPT FMA?" is shown on the CDU.

 S 865-115

 (20)
 Close the AFCS B FCC DC circuit breaker on the P6-2 Circuit Breaker Panel.
　
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