757 MAINTENANCE MANUAL
S 422-037
(2)
Do these steps to install the bus force limiter:
(a)
Loosen the jam nut and adjust the bus force limiter until the bolts can be easily installed.
(b)
Install the bolt, bushing, washer, and nut that connects the bus force limiter to the drum assembly. Tighten the nut (2 locations).
(c)
Apply the finish to the rod end threads. Make sure that the threads show in at least one-half of the inspection hole.
(d)
Tighten the jam nut and lockwire.
S 092-038
(3)
Remove the control wheel rigging beam.
S 222-039
(4)
Do the test procedure below for the aileron control drums and bus force limiter.
H.
Put the Airplane Back to its Usual Condition
S 092-004
WARNING: USE THE PROCEDURE IN AMM 32-00-15 TO REMOVE THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Remove the door locks from the landing gear and close the doors (Ref 32-00-15).
S 862-040
(2)
Remove electrical power if it is not necessary (Ref 24-22-00).
(3)
Close access door 113AL (Ref 06-41-00).
S 412-041
TASK 27-11-03-722-042
4. Aileron Control Drums and Bus Force Limiter - Test__________________________________________________
A. References
(1) AMM 24-22-00/201, Electrical Power - Control
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27-11-03
ALL ú ú 05 Page 211 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(2)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic Systems
B.
Access
(1)
Location Zones
211 Control Cabin (Left)
212 Control Cabin (Right)
C.
Prepare to Test
S 862-043
(1)
Supply electrical power (Ref 24-22-00).
S 862-044
(2)
Remove the power from the left, right, and center hydraulic systems (Ref 29-11-00).
S 212-045
(3)
Make sure that all the rig pins have been removed.
S 862-046
(4)
Make sure that these circuit breakers on the P11 panel are closed:
(a)
EICAS (6 locations)
S 822-047
(5) Push the STATUS switch on the display select panel, P9, to show the control surface position indicator on the bottom EICAS display.
S 862-003
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(6)
Supply pressure to the left, right, and center hydraulic systems (Ref 29-11-00).
D.
Test Aileron Control
S 212-048
(1)
Turn the captain's control wheel clockwise. Do the checks that follow:
(a)
Make sure the first officer's control wheel turns clockwise.
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27-11-03
ALL ú ú 04 Page 212 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(b)
Make sure the right aileron moves up and the left aileron moves down.
E.
Put the Airplane Back to its Usual Condition
S 862-049
(1)
Remove the power from the left, right, and center hydraulic systems (Ref 29-11-00).
S 862-050
(2)
Remove electrical power if it is not necessary (Ref 24-22-00).
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