S 864-009
(8)
Do this task: "Hydraulic System Depressurization" (Ref 29-11-00/201).
(9)
Do this task: "Electrical Power Removal" (AMM 24-22-00/201).
S 864-010
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A
747-400 MAINTENANCE MANUAL
S 014-011
(10) Remove the 2nd and 3rd center ceiling panels.
NOTE: Count the ceiling panels from the forward end of the main
____
deck.
E. Procedure
S 024-012
(1)
Remove the aileron control load limiter (Fig. 401):
(a)
Remove cable guards (22) and the clip locks on the turnbuckles.
(b)
Disconnect cables ACBB (6) and ACBA (7) at the turnbuckles.
(c)
Disconnect the right body cables AA (4) and AB (5) at the turnbuckles.
(d)
Attach tags to identify the disconnected cable ends.
(e)
Remove the bolts (17) that attach the load limiter (3) to the lower beam (18).
(f)
Remove the bolts (12) that connect the lower beam (18) to the structure.
(g)
Remove the lower beam (18).
(h)
Remove cable guard and lower beam support bracket.
(i)
Remove straight edge and rotate first officer's control wheel to 90 degrees.
(j)
Align direction of fork with the slot on the upper beam.
(k)
Remove the bolts (17) that attach the load limiter (3) to the upper beam (24).
(l)
Remove the load limiter (3) from the airplane.
(m)
Remove the cable guards (22) and cables AA (4), AB (5), ACBB (6), and ACBA (7) from the load limiter (3).
TASK 27-11-05-404-013
3. Aileron Control Load Limiter Installation
_________________________________________
A. Special Tools and Equipment
(1)
G12001-50 Rig Pin Kit
(2)
MIT65B04001-41 Control Wheel Straightedge
B.
Consumable Materials
(1)
C00528 Corrosion Preventive Compound - MIL-C-16173, grade 2
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747-400
MAINTENANCE MANUAL
SEE A
1. AILERON CONTROL
DRUM
CABLE AB
2.
TURNBUCKLE
3.
AILERON CONTROL LOAD LIMITER
CABLE AA
7. CABLE ACBA
4.
CABLE AA
5.
CABLE AB
6.
CABLE ACBB
SEE BFWD RIG PIN A/S-1
A
Aileron Control Load Limiter Installation Figure 401 (Sheet 1)
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A
747-400
MAINTENANCE MANUAL
1ST OFFICER'S CONTROL COLUMN
(2 LOCATIONS LOWER, (4 LOCATIONS LOWER,
12. BOLTS CONNECTING
2 LOCATIONS HIGHER) 4 LOCATIONS HIGHER)
LOWER BEAM TO INBDSTRUCTURE
13.
WASHER
14.
NUT
(6 LOCATIONS)
FWD
Aileron Control Load Limiter Installation
Figure 401 (Sheet 2)
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