(h)  
Make sure the BIT 1 light on the portable tester comes on.

 (i)  
Release the STALL WARNING TEST NO. 2 button.

 (j)  
Make sure BIT 1 light of the portable tester is off.

 S 865-725
 (3)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-02-735-181
 50. Thrust Reverser Position Signals Test
_____________________________________
 A. Reference
 (1)  AMM 78-31-00/501, Thrust Reverser System
 B. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 C. Procedure
 S 865-182
 (1) Make sure you did the Prepare For Input Parameter Test task.
 S 735-183
 WARNING: PUT A SAFETY OBSERVER NEAR THE THRUST REVERSER WHEN YOU DO THIS
_______ TEST. THE THRUST REVERSER CAN CAUSE INJURY TO PERSONS WHEN IT MOVES.
 (2)  Do this test of the thrust reverser signals:
 (a)  
Remove the safety pins from each Thrust Reverser isolation valve at forward end of each Air Conditioning Bay.

 (b)  
Make sure both Thrust reverser handles are in full down position.

 (c)  
Make sure both hydraulic pumps A & B are on.

 (d)  
Set the portable tester to the SUBFRAMEs and WORDs shown in the table.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 BEJ 101-112, 114-999; ú  31-24-02
 ú ú 16 Page 562 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (e)  
Operate the thrust reversers to get the conditions in the table (AMM 78-31-00/501).

 NOTE:  Use the Operational Test - Thrust Reverser System procedure with the engines off.

 (f)  
Make sure the portable tester displays agree with the values in the table.

 ~...................................................................... | | | | TEST CONDITION | | TESTER | | WORD | S/F | BIT | (DISCRETE STATE) | STATE | DISPLAY | ........................................................................ | 19 | 0 | 1 | T/R UNLOCK L OUTBOARD | LT OFF | 1 | | | | | | LT ON | 0 | | | | | | | | | 60 | 0 | 2 | T/R UNLOCK R OUTBOARD | LT OFF | 1 | | | | | | LT ON | 0 | ........................................................................
 |  61  |  0  |  1  | T/R UNLOCK L INBOARD  |  LT OFF  |  1  |
 |  |  |  |  |  LT ON  |  0  |
 |  |  |  |  |  |  |
 |  56  |  0  |  1  | T/R UNLOCK R INBOARD  |  LT OFF  |  1  |
 |  |  |  |  |  LT ON  |  0  |

 ........................................................................ | 16 | 0 | 1 | T/R DEPLOYED L OUTBOARD| DEPLOY | 0 | | | | | | NOT DEPLOY | 1 | | | | | | | | | 59 | 0 | 1 | T/R DEPLOYED R OUTBOARD| DEPLOY | 0 | | | | | | NOT DEPLOY | 1 | ........................................................................ | 60 | 0 | 1 | T/R DEPLOYED L INBOARD | DEPLOY | 0 | | | | | | NOT DEPLOY | 1 | | | | | | | | | 16 | 0 | 2 | T/R DEPLOYED R INBOARD | DEPLOY | 0 | | | | | | NOT DEPLOY | 1 | 2......….......….......…........................…............….........1
 S 865-184
 (3)  
Put the thrust reversers in the usual condition (AMM 78-31-00/501).

 S 865-185

 (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 12 Page 563 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TASK 31-24-02-735-206
 51. Yaw Damper Engage Signal Test_____________________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right
　
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