S 212-044
(18)
Make sure you can easily install and remove rig pins A1, A2, and A3 at the same time.
(19)
Install clip locks on the turnbuckles.
(20)
Adjust the ALCS servos (Ref 22-13-03/401).
S 432-045
S 822-046
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27-11-14
ALL ú
ú 01 Page 211
ú Jun 20/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 822-047
(21)
Do the Adjustment/Test procedure below for the Feel, Centering, and Trim Mechanism.
S 412-076
(22)
Close access panel 561AB (Ref 06-44-00/201).
H.
Put the Airplane Back to Its Usual Condition
S 092-007
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMGE TO EQUIPMENT.
(1)
Remove the door locks from the landing gear doors and close the doors (Ref 32-00-15/201).
S 862-049
(2)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
TASK 27-11-14-822-070
4. Feel, Centering, and Trim Mechanism - Adjustment/Test_____________________________________________________
A. Equipment
(1)
Control Wheel Adapter Equipment -A27021-97 or -98
(2)
Control Wheel Protractor -A27021-30 or Protractor Kit A27021-29
B.
References
(1)
24-22-00/201, Electrical Power - Control
(2)
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
32-00-15/201, Landing Gear Door Locks
(4)
32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
211/212 Control Cabin
D.
Prepare for the Adjustment
NOTE: Before you adjust the feel springs, make sure the control
____ wheels, aileron body cables, left and right wing cables, and aileron power control actuators are adjusted correctly (AMM 27-11-00/501).
S 212-001
(1) Make sure the downlocks are installed on the nose and main landing gear (Ref 32-00-20/201).
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27-11-14
ALL ú ú 01 Page 212 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 492-003
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Open the doors for the landing gear and install the door locks (Ref 32-00-15/201).
S 862-077
(3)
Operate the aileron trim switches until the trim indicator shows zero units of trim.
S 862-052
(4)
Remove electrical power (Ref 24-22-00/201).
E.
Feel Springs - Adjustment
S 032-053
(1)
Loosen the bottom nut for the feel springs (2 locations).
S 032-054
(2)
Loosen the top nuts until only 3 threads show above the nut.
S 862-078
(3)
Turn the control wheel clockwise to 6 units of trim and then back to 3 units.
S 212-079
(4)
Release the control wheel and do these steps:
(a)
Make sure the control wheel goes back to its neutral position (use a tolerance of 0.4 units of trim).
(b)
If the control wheel does not go back to its neutral position (|0.4 units of trim), tighten the top nuts 1/4 turn each.
S 822-056
(5) Do the above step again until the control wheel goes to its neutral position correctly.
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