(a)
Slowly and fully turn the control wheel clockwise.
(b)
Slowly and fully turn the control wheel counterclockwise.
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747-400 MAINTENANCE MANUAL
(c) Make sure the left outboard aileron and the left inboard aileron operate through full travel.
TASK 27-11-00-825-024
5. Aileron and Aileron Trim Control System Adjustment__________________________________________________
A. Standard Tools and Equipment
(1)
Cable tensiometer - 0- to 250-pound range for 1/8-inch diameter cable
B.
Special Tools and Equipment
(1)
MIT65B04001-41 Control Wheel Straightedge
(2)
8MIT65B04001 Inboard Aileron Rigging Straightedge (Optional)
(3)
ME65B04001 Inboard Aileron Rigging Beam (Recommended)
(4)
G12001-50 Kit (Rigging Pins) ~................................................................... | Pin | Designation | Length | Diameter | Qty | | | | Inch | Inch | | | | | (mm) | (mm) | | ..................................................................... | -12 | A/S-1 | 2.0 | 0.309-0.311| 1 | | | | (50.8) | (7.85-7.9) | | | -18 | A/S-2 | 5.5 | 0.309-0.311| 1 | | | | (139.7) | (7.85-7.9) | | | -12 | A/S-3 | 2.0 | 0.309-0.311| 1 | | | | (50.8) | (7.85-7.9) | | | -16 | A/S-4 | 4.5 | 0.309-0.311| 1 | | | | (114.3) | (7.85-7.9) | | | -16 | A/S-5 | 4.5 | 0.309-0.311| 1 | | | | (114.3) | (7.85-7.9) | | | -17 | A/S-6 | 5.0 | 0.309-0.311| 1 | | | | (127.0) | (7.85-7.9) | | | -17 | A/S-7 | 5.0 | 0.309-0.311| 1 | | | | (127.0) | (7.85-7.9) | | | -16 | A/S-8 | 4.5 | 0.309-0.311| 1 | | | | (114.3) | (7.85-7.9) | | | -16 | A/S-9 | 4.5 | 0.309-0.311| 1 | | | | (114.3) | (7.85-7.9) | | 2.........….................….................…..............…......1
(5)
G27033-2 Adapter Cable
C.
Consumable Materials
(1)
C00528 Corrosion Preventive Compound - MIL-C-16173, Grade 2
D.
References
(1)
06-09-08/201, Wing Access Doors and Panels
(2)
24-22-00/201 Manual Control
(3)
29-11-00/201, Pressurize Main Hydraulic System
(4)
32-00-30/201, Landing Gear Door Locks
(5)
34-11-00/201, Pitot Static
(6)
SSM 27-11-01
(7)
WDM 27-11-11, 27-11-21
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MAINTENANCE MANUAL
E. Access
(1)
Location Zone
221 Control Cabin Floor, LH
222 Control Cabin Floor, RH
579 Inboard Aileron, LH
592 Outboard Aileron, LH
679 Inboard Aileron, RH
692 Outboard Aileron, RH
(2)
Access Panel 211 Passenger Cabin, LH (Second and third center ceiling panels from the forward end) 212 Passenger Cabin, RH (Second and third center ceiling
panels from the forward end) 573AB Inboard Aileron Actuator, LH 573BB Inboard Aileron Actuator, LH 673AB Inboard Aileron Actuator, RH 673BB Inboard Aileron Actuator, RH
F. Prepare for Adjustment
S 495-025
(1) Make sure ground locks are installed on the landing gear.
S 495-026
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (Ref 32-00-30/201).
G.
Adjust the Aileron Control Bus Cables ACBA and ACBB (Fig. 502)
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