(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AMM 32-00-30/201, Landing Gear Door Locks
(5)
SSM 27-11-01
(6)
WDM 27-11-11
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MAINTENANCE MANUAL
E. Access
(1)
Location Zone
222 /Control Cabin Floor, RH
(2)
Access Panel
212 /Passenger Cabin, RH (Second and third center ceiling panels from forward end)
F. Install the Aileron Control Load Limiter
S 644-021
(1)
Do this task to lubricate cables AA and AB: "Control Cables Lubrication" (Ref 12-21-05/301).
S 434-022
(2)
Install the cables to the load limiter drum (1).
S 434-026
(3)
Install the cotter pins.
S 644-023
(4)
Do this task to lubricate cables ACBB (6) and ACBA (7): "Control Cable Lubrication" (AMM 12-21-05/301).
S 434-024
(5)
Attach the cables to the aileron control bus drum (1).
S 434-027
(6)
Install the cotter pins.
S 424-028
(7)
Install the aileron control load limiter:
(a)
Install cable guards (22) with bolts (21), washers (20) and nuts (19).
(b)
Put cable ends of ACBB (6) and ACBA (7) through structural cutouts.
(c)
Set the load limiter (3) below the first officer's control column.
CAUTION: MAKE SURE THAT YOU DO NOT REMOVE THE SPRING ATTACH
_______ FASTENERS OR SHAFT NUTS WITHOUT APPLICABLE TOOLS DURING OVERHAUL. THE LOAD LIMITER SPRING HAS A HEAVY LOAD AND CAN CAUSE DAMAGE TO EQUIPMENT.
(d) Attach the load limiter (3) to the upper beam (24) with bolts (17), washers (16), and nuts (15).
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747-400
MAINTENANCE MANUAL
(e)
Install the lower beam support bracket.
(f)
Attach the lower beam (18) to the structure with nuts (14), bolts (12), and washers (13).
(g)
Attach the lower end of the load limiter (3) to the lower beam (18) with nuts (15), bolts (17), and washers (16).
S 864-015
(8)
Do this task to pressurize hydraulic systems No. 1 and 4 or 2 and 3: "Hydraulic System Pressurization" (AMM 29-11-00/201)
S 834-016
(9)
Adjust the aileron control load limiter:
(a)
Connect cables AA (4) and AB (5) to the turnbuckles (2).
(b)
Tighten the cables to the specified tension range (Fig. 403).
(c)
Connect cables ACBB (6) and ACBA (7) to the turnbuckles (2).
(d)
Tighten the cables to the specified tension range (Fig. 403).
(e)
Loosen the straightedge on the control wheels.
(f)
Continue to adjust the cables (keep tension in the specified limits) until you get these results: 1) The straightedge is level with the control wheels. 2) While rig pin A/S-2 is in the trim and feel mechanism, you
can easily install these rig pins in the specified
locations:
a) Rig pin A/S-1 in the load limiter.
b) Rig pin A/S-3 in the quadrant of the central lateral
control package.
(g)
Install the clip locks on the turnbuckles.
(h)
Remove the straightedge from the aileron control wheels.
S 714-017
(10)
Do a test on the aileron control load limiter:
