D. Procedure
S 865-252
(1)
Make sure you did the Prepare For Input Parameter Test task.
S 735-253
(2)
Do this test of the position signals from the control wheel:
(a)
Attach the universal protractor 11MIT5-74110-51 to the control wheel.
(b)
Set the portable tester to SUBFRAME 0, WORD 12.
(c)
Move the control wheel to the zero degree position.
(d)
Install a rig pin in the captain's control wheel.
1) Make sure the portable tester display is 7771 to 0007 (nominal 0000).
(e)
Remove the rig pin from the captain's control wheel.
(f)
Turn the control wheel to the positions shown in the table.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú
31-24-01
ú ú 40B Page 519 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(g) Make sure the portable tester display agrees with the values in the table.
~...................................................... | CONTROL WHEEL POSITION | PORTABLE TESTER READOUT | ........................................................ | 50° CW | 1172 to 1256 (nominal 1224) | | 50° CCW | 6522 to 6606 (nominal 6554) | 2........................….............................1
S 865-254
(3)
Remove the universal protractor from the control wheel.
S 865-255
(4)
If you will do no more tests, then do this task:
"Put the Airplane to its Usual Condition."
TASK 31-24-01-735-256
11. Elevator Position Signals Test______________________________
A. References
(1)
AMM 27-31-00/201, Elevator and Tab Control
(2)
AMM 27-31-00/501, Elevator and Tab Control
(3)
AMM 29-00-00/201, Hydraulic Power
(4)
AMM 31-24-51/401, Elevator Position Sensor
B. Access
(1) Location Zones
101 Control Cabin - Left
102 Control Cabin - Right
C. Procedure
S 865-257
(1) Make sure you did the Prepare For Input Parameter Test task.
S 865-258
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Supply power to the elevator system (AMM 27-31-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú
31-24-01
ú ú 38B Page 520 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(3) S 865-259Set the B dimension on the stabilizer jackscrew to 41.57 |0.05 inches (AMM 27-31-00/501).
(4) S 865-260Make sure the mach trim actuator is in the null position (AMM 27-31-00/201).
(5) S 865-261Make sure the hydraulic systems A and B are on (AMM 29-00-00/201).
(6) S 735-262Do this test of the position signals from the elevator: (a) Set the portable tester to the SUBFRAMES and WORDS shown in the table. (b) Put the elevators in the positions shown in the table. (c) Make sure the portable tester displays agree with the values in the table.
~............................................................. | WORD | S/F | ELEVATOR | POSITION (INCHES) | TESTER DISPLAY | ............................................................... | 45 | 2 | LEFT | AT INDEX MARK | 7733 to 0044 | | | | | 10.00 ABOVE INDEX | 7224 to 7332 | | | | | 10.00 BELOW INDEX | 0502 to 0626 | ............................................................... | 45 | 1 | RIGHT | AT INDEX MARK | 7734 to 0045 | | | | | 10.00 ABOVE INDEX | 0446 to 0554 | | | | | 10.00 BELOW INDEX | 7152 to 7276 | 2......….....…..........…....................…................1
(7) S 825-263Adjust the elevator position sensors if it is necessary (AMM 31-24-51/401).
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