747-400
MAINTENANCE MANUAL
TABLE 1
(`F) TEMPERATURE 1 TENSION IN POUNDS CABLE RIGGING ADJUSTMENT LOADS 4
BODY/WING CABLE 2 CONTROL WHEEL BUS CABLE 3
5 6
110 (43`C) 123 153 93
90 (32`C) 114 141 84
80 (27`C) 110 135 80
70 (21`C) 105 130 75
60 (16`C) 101 125 71
50 (10`C) 97 120 67
40 (4`C) 93 115 63
30 (-1`C) 89 110 59
10 (-12`C) 80 99 50
-10 (-23`C) 72 89 42
-30 (-34`C) 64 79 34
-40 (-40`C) 58 71 28
TO GET THE CORRECT CABLE TENSION, MAKE SURE THE AIRFRAME TEMPERATURE IS STABLE (USE A TOLERANCE OF |5`F) FOR A MINIMUM OF 1 HOUR.
THE SYSTEM MUST BE ADJUSTED WHEN THE CABLE LOADS ARE MORE THAN |15 LBS FROM THE TABLE VALUES. WHEN RIGGING THE SYSTEM, CABLE LOADS SHOULD BE |5 LBS FROM THE TABLE VALUES.
THE SYSTEM MUST BE ADJUSTED WHEN THE CABLE LOADS ARE MORE THAN |20 LBS FROM THE TABLE VALUES. WHEN RIGGING THE SYSTEM, CABLE LOADS SHOULD BE |15 LBS FROM THE TABLE VALUES.
IF POSSIBLE, MAKE THE LAST CABLE ADJUSTMENTS WHEN THE TWO ENGINES ARE INSTALLED ON THE WING.
WING CABLES & LEFT BODY CABLES
RIGHT BODY CABLES
OUTBOARD AILERON POWER CONTROL PACKAGE
INBOARD AILERON QUADRANT RIG PINS A/S-8 (A/S-9, RIGHT WING) SEE FIGURE 505
Aileron System Adjustment
Figure 501 (Sheet 1)
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MAINTENANCE MANUAL
CONTROL WHEEL CAPTAIN'S AILERON
STAND CONTROL PILOTS'
CABLE AA
CABLE AA COLUMN CONTROL OFFICER'S FIRST
FIGURE 503 A/S-2 SEE MECHANISM TRIM AND FEEL RIG PIN CABLE AB CABLE AB
RIG PIN A/S-1 SEE FIGURE 502 LOAD LIMITER AILERON CONTROL
CABLE AB
CABLE AA
CABLE AB AILERON PROGRAMMER RIG PIN A/S-6,
CLC QUADRANT(A/S-7 RIGHT) RIG PIN A/S-3SEE FIGURE 503 SEE FIGURE 503
Aileron System Adjustment
Figure 501 (Sheet 2)
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MAINTENANCE MANUAL
CABLE AB
CABLE AA
CABLE ACBA
AILERON CONTROL LOAD LIMITER
CABLE ACBB
CABLE AA
A
A
CABLE AB
RIG PIN
STRAIGHTEDGE A/S-1
FIRST LOAD LIMITER
OFFICER'S
B CONTROL LOAD LIMITER
A WHEEL NEUTRAL POINT
CAPTAIN'S
CONTROL
WHEEL
HEAVILY
LOADED
SPRING
CAM
A-A
Aileron Control Wheel Adjustment
Figure 502
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MAINTENANCE MANUAL
OUTPUT RIG PIN
CABLE AA CONTROL A/S-4
ROD TO CLC
RIG PIN A/S-2
SPEED BRAKE
INPUT ROD RIG PIN
A/S-5
CABLE SPOILER DIFFERENTIAL
AB MECHANISM (2 LOCATIONS)
AILERON LEFT CENTRAL LATERAL
TRIM AND FEEL CONTROL PACKAGE
MECHANISM (LEFT AUTOPILOT) 2
CAM
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