EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú

 31-24-01
 ú ú 08B Page 540 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 B. Procedure
 S 865-467
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 735-468

 (2)  
Do this test of the signals from the alternate flaps.

 (a)  
Set the portable tester to SUBFRAME 0, WORD 15.

 (b)  
Make sure the MASTER ARMING switch for the alternate flaps is in the OFF position.

 (c)  
Make sure the BIT 1 light on the portable tester is off.

 (d)  
Put the MASTER ARMING switch for the alternate flaps in the ARMED position.

 (e)  
Make sure the BIT 1 light on the portable tester is on.

 (f)  
Put the MASTER ARMING switch in the OFF position.

 S 865-469
 (3)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-01-735-475
 32. ATC Event (Radio Keying) Signals Test_____________________________________
 A. References
 (1)  
AMM 23-11-00/501, HF Communication System

 (2)  
AMM 23-21-00/501 or 23-21-01/501, VHF Communication System

 B. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 C. Procedure
 S 865-476
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 865-477

 (2)  
Make sure all the VHF transceivers are serviceable (AMM 23-21-00/501 or AMM 23-21-01/501).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú

 31-24-01
 ú ú 20B Page 541 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 865-478
 (3)  Make sure all the HF transceivers (if installed) are serviceable (AMM 23-11-00/501 or AMM 23-11-01/501).
 S 865-479
 (4)  Tune all the tranceivers to approved frequencies.
 S 735-480
 (5)  Do a test of the VHF-1 signals (if installed) (a) Set the captain's audio selector panel to VHF-1. (b) Set the portable tester to SUBFRAME 0, WORD 11. (c) Make sure the BIT 1 light on the portable tester comes on. (d) Push the captain's PTT button. (e) Make sure the BIT 1 light on the portable tester goes out.
 S 735-481
 (6)  Do a test of the VHF-2 signals (if installed) (a) Set the captain's audio selector panel to VHF-2. (b) Set the portable tester to SUBFRAME 0, WORD 6. (c) Make sure the BIT 1 light on the portable tester comes on. (d) Push the captain's PTT button. (e) Make sure the BIT 1 light on the portable tester goes out.
 S 735-482
 (7)  Do a test of the VHF-3 signals (if installed) (a) Set the captain's audio selector panel to VHF-3. (b) Set the portable tester to SUBFRAME 0, WORD 14. (c) Make sure the BIT 1 light on the portable tester comes on. (d) Push the captain's PTT button. (e) Make sure the BIT 1 light on the portable tester goes out.
 S 735-489
 (8)  Do a test of the HF-1 signals (if installed): (a) Set the captain's audio selector panel to HF-1. (b) Set the portable tester to SUBFRAME 0, WORD 9. (c) Make sure the BIT 2 light on the portable tester comes on. (d) Push the captain's PTT button. (e) Make sure the BIT 2 light on the portable tester goes out.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú

 31-24-01
 ú ú 21B Page 542 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 735-496
 (9)  Do a test of the HF-2 signals (if installed):
 (a)  
Set the captain's audio selector panel to HF-2.
　
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