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FAULT ISOLATION/MAINT MANUAL

AILERON POSITION INDICATING SYSTEM

* SEE THE WDM EQUIPMENT LIST
Aileron Position Indicating System - Component Index
Figure 101

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E49022
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FAULT ISOLATION/MAINT MANUAL

FLIGHT COMPARTMENT

FILTER, R10151 (AFT OF THE RIGHT EICAS COMPUTER)

FILTER, R10152 (AFT OF THE LEFT EICAS COMPUTER)
MAIN EQUIPMENT CENTER
Aileron Position Indicating System - Component Location
Figure 102 (Sheet 1)

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FAULT ISOLATION/MAINT MANUAL

FWD
WING TRAILING EDGE BOTTOM VIEW

LEFT (RIGHT) AILERON POSITION TRANSMITTER,
M10225 (M10226)

Aileron Position Indicating System - Component Location
Figure 102 (Sheet 2)

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FAULT ISOLATION/MAINT MANUAL

Not Used
Figure 103

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757 MAINTENANCE MANUAL
 AILERON POSITION INDICATING SYSTEM - ADJUSTMENT/TEST
____________________________________________________
 1.  General_______
 A.  This procedure contains two tasks. One task is an operational test and the other is a system adjustment. A system test is not necessary.
 TASK 27-18-00-715-001
 2.  Operational Test - Aileron Position Indicating System_____________________________________________________
 A.  References
 (1)  
24-22-00/201, Electrical Power - Control

 (2)  
29-11-00/201, Pressurize/Depressurize Main Hydraulic Systems

 B.  
Access

 (1)  
Location Zones
 211/212 Control Cabin

 C.  
Procedure

 S 865-002
 (1)  Supply electrical power (Ref 24-22-00).
 S 865-003
 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 CONTROL SURFACES DURING THEIR OPERATION.
 (2)  
Supply pressure to the left, center, and right hydraulic systems (Ref. 29-11-00).

 S 825-004

 (3)  
Operate the aileron trim switches on the aft electronic control panel, P8, until the aileron trim indicator shows zero units of trim. Make sure that the control wheels are in neutral.

 NOTE: Use a tolerance of +/- one-half an arrow width.
____
 S 865-005
 (4)  
Make sure that these circuit breakers on the overhead panel, P11, are closed:

 (a)  
EICAS (6 locations)

 S 865-006
　
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