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EFFECTIVITY
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WARNING: DO THE STEPS BELOW IF THE AIRPLANE OPERATES AT AIRPORTS WHERE
DEICING FLUID THAT CONTAIN POTASSIUM FORMATE IS USED. ALSO DO THE
STEPS FOR ALL AIRPLANES THAT YOU FOUND CORROSION IN THE
ELECTRICAL CONNECTORS IN THE MAIN WHEEL WELL. THE ELECTRICAL
CONNECTOR IS PART OF A SYSTEM THAT IS NECESSARY FOR SAFE FLIGHT.
(b) If there was corrosion, refer to (SWPM 20-60-03) to correct the problem.
(c) Apply the D5026NS or ZC-026 compound, G50171 to the connector (SWPM 20-60-03).
(d) Connect the electrical connector to the aileron trim actuator [1].
SUBTASK 27-11-54-860-003
(3) Make sure the captain’s and first officer’s control wheels are in the neutral position.
SUBTASK 27-11-54-080-001
(4) Remove the rig pin A/S-15, from the rig pin kit, SPL-1585, from the aileron trim mechanism.
SUBTASK 27-11-54-860-004
(5) Do this task: Put the Aileron Hydraulic Systems A and B Back to the Condition Before
Pressure Removal, TASK 27-11-00-860-802.
SUBTASK 27-11-54-710-001
(6) Do this task: Aileron Trim Response Test, TASK 27-11-00-730-801.
------------------------- END OF TASK ---------------------------
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
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AILERON TRANSFER MECHANISM - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) A removal of the aileron transfer mechanism
(2) An installation of the aileron transfer mechanism.
B. The aileron transfer mechanism is installed at the base of the first officer’s control column.
TASK 27-11-61-000-801
2. Aileron Transfer Mechanism Removal
(Figure 401)
A. References
Reference Title
27-11-00-860-801 Remove Pressure from the Aileron Hydraulic Systems A and B
(P/B 201)
B. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
Reference Description
SPL-1585 Kit - Rigging Pins, All Systems
(Part #: F70207-109, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
C. Location Zones
Zone Area
112 Area Forward of Nose Landing Gear Wheel Well
211 Flight Compartment - Left
212 Flight Compartment - Right
730 Subzone - Left Main Landing Gear and Landing Gear Doors
740 Subzone - Right Main Landing Gear and Landing Gear Doors
D. Access Panels
Number Name/Location
112A Forward Access Door
E. Prepare for the Removal
SUBTASK 27-11-61-010-001
(1) To get access to the aileron transfer mechanism, do this task:
Open this access panel:
Number Name/Location
112A Forward Access Door
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
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SUBTASK 27-11-61-860-001
WARNING: MAKE SURE THE DOWNLOCK PINS ARE INSTALLED ON ALL THE LANDING GEAR.
WITHOUT THE DOWNLOCK PINS, THE LANDING GEAR COULD RETRACT AND CAUSE
INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Do this task: Remove Pressure from the Aileron Hydraulic Systems A and B,
TASK 27-11-00-860-801.
SUBTASK 27-11-61-860-002
(3) Put the aileron control wheels in the neutral position.
(a) Make sure that the aileron trim switches are at the zero trim position.
NOTE: The aileron trim switches are installed on the aft electronic control panel, P8 in
the flight compartment.
SUBTASK 27-11-61-480-001
(4) Install the rig pins A/S-1 and A/S-1A, from the rig pin kit, SPL-1585, in the aileron transfer
mechanism.
(a) Make sure the rig pin A/S-1 is fully installed in the aileron transfer mechanism.
(b) Hold the two rig pins to make sure they do not fall out.
SUBTASK 27-11-61-480-002
(5) Install the rig pins A/S-3, from the rig pin kit, SPL-1585, in the right shaft of the aileron control
quadrant.
SUBTASK 27-11-61-480-003
(6) Install the rig pins A/S-4, from the rig pin kit, SPL-1585, in the aileron bus drums.
F. Aileron Transfer Mechanism Removal
SUBTASK 27-11-61-020-001
(1) Disconnect the cable ACBA [1] and ACBB [3] at the cable turnbuckles [2].
(a) Attach identification tags on the disconnected cables for easier assembly.
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册2(5)
