(j)  
Make sure the portable tester display is 0300.

 NOTE:____This is a SUPERFRAME. The portable tester display will show for four seconds. The applicable display will show again after 64 seconds.

 (k)  
Open this circuit breaker:

 1)  P6 Panel
 a) ENG VIB MON

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 BEJ 101-112, 114-999; ú  31-24-02
 ú ú 03 Page 527 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (l)  Remove the ARINC 429 test set.
 S 865-241
 (3)  
Put the AVM signal conditioner to its usual condition (AMM 77-31-03 R/I).

 S 865-242

 (4)  
Close this circuit breaker:

 (a)  P6 Panel
 1) ENG VIB MON

 S 865-243
 (5)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-02-735-276
 17. Autothrottle Digital Bus Signal Test
____________________________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 B. Procedure
 S 865-277
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 865-278

 (2)  
Make sure the airplane engines are off.

 S 735-380

 (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 2, WORD 04.

 (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 1, WORD 04.

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

 S 865-286
 (4)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 BEJ 101-112, 114-999; ú  31-24-02
 ú ú 11 Page 528 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 TASK 31-24-02-735-090
 18. Clock Signals Test
__________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 B. Procedure
 S 865-091
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 735-092

 (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)  
Put the GMT knob on the clock to the RUN position.

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

 (e)  
Set the clock to the correct time.

 S 865-093
 (3)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-02-735-244
 19. DAA Digital Bus Signals Test
____________________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 B. Procedure
 S 865-245
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 735-376

 (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.
　
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