S 035-156
(6)
Remove rig pins A1 and A3.
J.
Adjust the Right Wing Cables A2A and A2B (Fig. 502)
NOTE: Make sure that the control wheels are adjusted correctly
____ (see the control wheel adjustment procedure) before you do the right wing cable adjustment.
S 825-068
(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 825-069
(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 825-070
(3) Operate the aileron trim switches on the P8 panel until rig pin A2 can be easily put into the lateral-control override mechanism.
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757 MAINTENANCE MANUAL
S 435-071
(4)
Install rig pin A2.
S 825-072
(5)
Adjust the right wing cables A2A and A2B to the tension values shown in Table 1. Make sure that rig pin A4 can be easily installed in the right aileron quadrant-and-override mechanism.
S 035-073
(6)
Remove rig pins A2 and A4.
K.
Adjust the Aileron Power Control Actuators (PCAs) (Fig. 502)
NOTE: Make sure that the control wheels, the aileron body cables,
____ and the left and right wing cables are adjusted correctly (per adjustment procedures described in this manual) before you do the adjustment of the aileron power control actuator.
S 225-074
(1) If a change has been made which could affect the rig of the trailing edge flaps, you must do the steps to make sure that the trailing edge flaps are rigged correctly (AMM 27-51-00).
S 865-075
WARNING: TO PREVENT INJURY OR DAMAGE, MOVE ALL PERSONS AND EQUIPMENT
_______ AWAY FROM THE CONTROL SURFACES BEFORE HYDRAULIC POWER IS SUPPLIED. STAY AWAY FROM THE AREA DURING THEIR OPERATION.
(2)
Supply pressure to the left, center, and right hydraulic systems (Ref. 29-11-00).
(3)
Move the control wheels to their neutral position.
S 435-077
(4)
Install rig pin A3 in the left aileron quadrant-and-override mechanism.
S 865-078
(5)
Remove the power from the left, center and right hydraulic systems (Ref. 29-11-00).
S 825-076
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757
MAINTENANCE MANUAL
S 035-079
(6) Disconnect the left inboard PCA input-rod from the PCA input lever
and loosen the locknuts at the two ends.
S 865-080
(7) Supply pressure to the right hydraulic system (Ref. 29-11-00).
S 825-081
(8) Adjust the left outboard PCA input-rod to make the inboard trailing
edge of the left aileron align with the outboard trailing-edge of
the flaps (use a tolerance of 0.06 inch (1.5 mm)). Tighten the
input rod locknuts at the two ends.
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