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757
MAINTENANCE MANUAL
S 035-060
(10)
Remove the rigging beam. Turn the control wheels clockwise and then counterclockwise. Make sure that the control wheels go back to neutral.
S 825-061
(11)
Move the control wheels to neutral.
NOTE: To identify the neutral position, attach a rigging beam
____ across the bottom of the control wheels. The neutral position is found when the control wheel surfaces are no more than 0.05 inch (1.27 mm) away from the rigging beam surface.
~......................................... | | BODY CABLES | WING CABLES | | | A1A, A1B, A2A | A1A, A1B, A2A | | TEMP °F | & A2B | & A2B | | (| 5°F) | (| 10 LBS) | (| 10 LBS) | ...........................................
| 110 | 118 | 98 |
| 90 | 109 | 89 |
| 80 | 104 | 84 |
| 70 | 100 | 80 |
| 60 | 96 | 76 |
| 50 | 92 | 72 |
| 40 | 88 | 68 |
| 30 | 84 | 64 |
| 10 | 75 | 55 |
| -10 | 67 | 47 |
| -30 | 59 | 39 |
| -40 | 53 | 33 |
2.........…...............…...............1
Aileron Cable Rigging Loads
Table 1
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757 MAINTENANCE MANUAL
I. Adjust the Left Wing Cables A1A and A1B (Fig. 502)
NOTE: Make sure that the control wheels are adjusted correctly (see
____ the control wheel adjustment procedure) before you do the left wing cable adjustment.
S 825-062
(1)
When new cables are installed, it is recommended that they be initially tightened to two times the rigging value shown in Table 1. Cycle the cables through their full travel 20 times and then decrease their tension to the value shown in Table 1.
S 825-063
(2)
Do not adjust the aileron cables until these conditions are
satisfactory:
(a)
The airplane temperature must be stable (use a tolerance of |5°F) along the cable and have been stable for at least one hour.
(b)
Make sure that the cables are not bent by the fairleads, rubstrips, or grommets that are in the system.
(c)
Make sure that the cable guards are installed correctly and that the pulleys turn freely.
(d)
Make sure that no more than two threads show at the turnbuckles when the system is rigged correctly.
(e)
Make sure that the clip locks are installed on the turnbuckles.
(f)
Make sure that you can see the rod-end threads through the control-rod inspection holes after the adjustment is done.
S 825-064
(3)
Operate the aileron trim switches on the P8 panel until rig pin A1 can be easily installed. Make sure that the roller is centered in the feel cam.
(4)
Install rig pin A1.
S 435-065
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757 MAINTENANCE MANUAL
S 825-066
(5)
Adjust the left wing cables A1A and A1B tensions to the values shown in Table 1. Make sure that rig pin A3 can be easily installed in the left aileron quadrant-and-override mechanism.
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