(c)
Put the A/P engage switch A to the CMD position.
(d)
Make sure the BIT 2 light on the portable tester is off.
(e)
Pull the control column aft until the stabilizer trim operates (AMM 27-41-00/501).
(f)
Make sure the BIT 2 light on the portable tester comes on.
(g)
Put the control column in the neutral position.
(h)
Make sure the BIT 2 light on the portable tester goes out.
(i)
Push the control column forward until the stabilizer trim operates.
(j)
Make sure the BIT 1 light on the portable tester comes on.
(k)
Put the control column in the neutral position.
(l)
Make sure the BIT 1 light on the portable tester goes out.
S 865-690
(3) If you will do no more tests, then do this task:
"Put the Airplane to its Usual Condition."
TASK 31-24-02-735-201
48. Stab Trim Switch Signal Test____________________________
A. Access
(1) Location Zones
101 Control Cabin - Left
102 Control Cabin - Right
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
BEJ 101-112, 114-999; ú 31-24-02
ú ú 14 Page 560 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
B. Procedure
S 865-202
(1)
Make sure you did the Prepare For Input Parameter Test task.
S 735-203
(2)
Do this test of the signals from the stab trim switch:
(a)
Set the portable tester to SUBRAME 0, WORD 8.
(b)
Make sure the trim switches on the control wheel are in the neutral position.
(c)
Make sure the BIT 2 light on the portable tester is off.
(d)
Set the trim switch on the captain's control wheel to the TRIM NOSE UP position.
(e)
Make sure the BIT 2 light on the portable tester is on.
(f)
Set the trim switch on the captain's control wheel to the neutral position.
(g)
Make sure the BIT 2 light on the portable tester goes out.
(h)
Set the trim switch on the captain's control wheel to the TRIM NOSE DN position.
(i)
Make sure the BIT 1 light on the portable tester is on.
(j)
Set the trim switch on the captain's control wheel to the neutral position.
(k)
Make sure the BIT 1 light on the portable tester goes out.
S 735-204
(3)
Do the test again on the first officer's control wheel.
S 865-205
(4)
If you will do no more tests, then do this task:
"Put the Airplane to its Usual Condition."
TASK 31-24-02-735-470
49. Stick Shaker Signals Test_________________________
A. Access
(1) Location Zones
101 Control Cabin - Left
102 Control Cabin - Right
B. Procedure
S 865-722
(1)
Make sure you did the Prepare For Input Parameter Test task.
S 735-123
(2)
Do this test of the stick shaker signals:
(a) Set the portable tester to SUBFRAME 0, WORD 28.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
BEJ 101-112, 114-999; ú 31-24-02
ú ú 15 Page 561 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(b)
Make sure the BIT 2 light on the portable tester is off.
(c)
Push the STALL WARNING TEST NO. 1 button on the stall warning module.
(d)
Make sure the BIT 2 light on the portable tester comes on.
(e)
Release the STALL WARNING TEST NO. 1 button.
(f)
Make sure the BIT 2 light on the portable tester is off.
(g)
Push the STALL WARNING TEST NO. 2 button.
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