C.
Prepare for the Check
S 216-018
(1)
Make sure the aileron trim indicator shows zero units of trim.
S 486-002
(2)
Install the control wheel adapters on the captain's and the first officer's control wheels. Do this check:
(a)
Make sure the control wheel adapter touches the lower part of the control wheel.
S 486-003
(3)
Install the protractor on the captain's (first officer's) control wheel.
S 496-013
(4)
Install the control wheel lock assembly on the first officer's (captain's) control wheel.
NOTE: Use the lock assembly to hold this control wheel at neutral
____
during the check.
D. Procedure
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A
757
MAINTENANCE MANUAL
CONTROL WHEELS
AND AILERON
DRUM ASSEMBLIES
SEE A
CONTROL WHEELS
AILERON TRIM INDICATOR
SEE B
CONTROL QUADRANT
BUS FORCE
LIMITER
SEE C
RVDT UNIT (2 LOCATIONS)
BODY CABLES
CONTROL WHEELS AND AILERON DRUM ASSEMBLIES
A
AILERON TRIM INDICATORB
Lateral Control Wheels and Aileron Control Drum Quadrant Assemblies Figure 601 (Sheet 1)
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A
757 MAINTENANCE MANUAL
CAPTAIN'S
A
A
CLEVIS
BUS FORCE LIMITER
(VIEW IN AFT DIRECTION)
A-A
Lateral Control Wheels and Aileron Control Drum Quadrant Assemblies
Figure 601 (Sheet 2)
E40079
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A
757
MAINTENANCE MANUAL
S 866-005
(1)
Apply a 2 pound force (0.2 Nm), in the up direction, at the right outer edge of the captain's (first officer's) control wheel.
S 826-006
(2)
Set the control wheel protractor to zero.
S 226-017
(3)
Apply a 2 pound force (0.2 Nm), in the down direction, at the right outer edge of the captain's (first officer's) control wheel. Do this check:
(a)
Make sure the control wheel does not move more than 2 degrees.
NOTE: Measure from the protractor zero position.
____
S 226-014
(4)
If the control wheel moves more than 2 degrees, examine these components for too much wear (Fig. 601):
(a)
The rod end, bolt, clevis, and bearing at the ends of the bus force limiter.
(b)
The plate assembly at the aileron control fork assembly.
(c)
The plate assembly for the control column at its connection to the torque tube.
(d)
The bevel gear set for the control column.
(e)
The plate assembly for the control column.
E.
Put the Airplane Back to Its Usual Condition
(1)
Remove the control wheel lock assembly.
(2)
Remove the control wheel adapters and the protractor.
S 096-015
S 096-016
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