S 865-333

 (4)  
Close this circuit breaker:

 (a)  P6 Panel
 1) ENG VIB MON

 S 865-334
 (5)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-01-735-335
 17. Autothrottle Digital Bus Signal Test____________________________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 B. Procedure
 S 865-336
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 865-337

 (2)  
Make sure the airplane engines are off.

 S 735-338

 (3)
Do this test of the signals from the autothrottle computer.

 (a)  
Put the left throttle in the fully forward position.

 (b)  
Set the portable tester to SUBFRAME 0, WORD 21 for throttle No. 1.

 (c)  
Make sure the portable tester display is 2000 to 2707.

 (d)  
Put the right throttle in the fully aft position (IDLE).

 (e)  
Set the portable tester to SUBFRAME 0, WORD 53 for throttle No. 2.

 (f)  
Make sure the portable tester display is 7525 to 0253 (nominal 0000).

 S 865-339
 (4)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú

 31-24-01
 ú ú 37B Page 528 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 TASK 31-24-01-735-340
 18. Clock Signals Test
__________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 B. Procedure
 S 865-341
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 735-342

 (2)  
Do this test of the signals from the clock:

 (a)  
Set the portable tester to SUBFRAME 3, WORD 30.

 (b)  
Set the captain's clock to 13 hours and 42 minutes.

 (c)  
Immediately make sure the portable tester display is 3324 or 3325.

 (d)  
Set the clock to the correct time.

 S 865-343
 (3)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-01-735-344
 19. DAA Digital Bus Signals Test
____________________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 B. Procedure
 S 865-345
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 735-346

 (2)  
Do this test of the signals from the DAA.

 (a)  
Set the captain's VHF NAV control panel on P8 the control stand to the MAN position.

 (b)  
Tune the VHF NAV to 108.25 MHz.

 (c)  
Set the portable tester to SUBFRAME 4, WORD 31.

 (d)  
Make sure the portable tester display is 2022 or 2023.

 (e)  
Set the F/O VHF NAV control panel to the MAN position.

 (f)  
Tune the F/O VHF NAV to 109.5 MHz.

 (g)  
Set the portable tester to SUBFRAME 2, WORD 31.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú

 31-24-01
 ú ú 10B Page 529 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (h)  Make sure the portable tester display is 2250 or 2251.
 S 865-347
 (3)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."
　
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