22-11-12
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(1) Supply hydraulic power (Ref 29-15-00/201).
(2) S 865-013Engage the autopilot channel A (or B as applicable) in the CWS mode.
(3) S 715-014Make sure that the CWS ROLL and CWS PITCH modes are shown on the flight mode annunciator.
(4) S 715-015Do a check on the valves for the A/P elevator actuators: (a) Push the control column forward and make sure that the elevator moves down.
NOTE:____ You will feel the pressure increases when you push the control column.
(b) (c) Make sure that the autopilot channel A (or B as applicable) stays in the CWS mode.Pull the control column rearward and make sure that the elevator moves up.
NOTE:____ You will feel the pressure increases when you pull the control column.
(d) (e) (f) Make sure that the autopilot channel A (or B as applicable) stays in the CWS mode.Put the control column to the center and make sure that the control column goes back to the center.Make sure that the autopilot channel A (or B as applicable) stays in the CWS mode.
(5) S 715-016Do a check on the valves for the A/P aileron actuators: (a) Turn the control wheel in the left direction and make sure that the left aileron moves up.
NOTE:____ You will feel the pressure increases when you turn the control wheel.
(b) (c) Make sure that the autopilot channel A (or B as applicable) stays in the CWS mode.Turn the control wheel in the right direction and make sure that the left aileron moves down.
NOTE:____ You will feel the pressure increases when you turn the control wheel.
(d) Make sure that the autopilot channel A (or B as applicable) stays in the CWS mode.
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22-11-12
ALL ú ú 01 Page 503 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(e) (f) Turn the control wheel to the center and make sure that the left aileron goes back to the center.Make sure that the autopilot channel A (or B as applicable) stays in the CWS mode.
(6) S 865-017Disengage the autopilot channel A (or B as applicable).
(7) S 715-018Make sure that you can move the control column or control wheel with less pressure than with the autopilot engaged.
(8) S 865-019Remove electrical power if it is not necessary (Ref 24-22-00/201).
(9) S 865-020Remove hydraulic power if it is not necessary (Ref 29-15-00/201).
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22-11-12
ALL ú ú 01 Page 504 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
AILERON FORCE LIMITER - REMOVAL/INSTALLATION
____________________________________________
1. General_______
A. This procedure contains two tasks. The first task is for the removal of the aileron force limiter. The second task is for the installation of the aileron force limiter.
B. You can find the aileron force limiter at the bottom of the captain's control column on the drum shaft assembly of the aileron (Fig. 401).
TASK 22-11-13-004-008
2. Remove the Aileron Force Limiter_________________________________
A. References
(1) AMM 12-31-11/201, Body Section 41 Access Doors and Panels
B. Access
(1)
Location Zone
202 Lower Nose Comparment
(2)
Access Panel
1103 Forward Access Door
C. Procedure
S 864-001
(1) Open these circuit breakers and attach the DO-NOT-CLOSE tags:
(a)
P6 Circuit Breaker Panel 1) AUTO FLT CONT SYS B MACH TRIM AC 2) AUTO FLT CONT SYS B MACH TRIM DC 3) AFDS MCP CRS-2 4) AUTO FLT CONT SYS B SNSR EXC AC 5) AUTO FLT CONT SYS B FCC DC 6) AUTO FLT CONT SYS B ENGAGE INTLK B 7) AUTO FLT CONT SYS B WARN LIGHT BAT
(b)
P18 Circuit Breaker Panel 1) AUTO FLT CONT SYS A MACH TRIM AC 2) AUTO FLT CONT SYS A MACH TRIM DC 3) AFDS MCP DC 4) AFDS AIL FORCE LIM 5) AUTO FLT CONT SYS A SNSR EXC AC 6) AUTO FLT CONT SYS A FCC DC 7) AUTO FLT CONT SYS A ENGAGE INTLK A 8) AUTO FLT CONT SYS A WARN LIGHT BAT
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