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D02589
A

757
FAULT ISOLATION/MAINT MANUAL

Autopilot/Flight Director Power - Component Index
Figure 101 (Sheet 2)

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G23047
A

757 FAULT ISOLATION/MAINT MANUAL
P11 PANEL
AFCS MODE CONTROL PANEL, M90
SEE B
P55 PANEL
MAIN EQUIPMENT CENTER ACCESS DOOR, 119BL
SEE A THRUSTCONTROL LEVERSWHEELS
LEFT SEE D
SEE C COMPUTER, M139 (E1-1) FLIGHT CONTROL P10 PANEL
CENTER
FLIGHT COMPARTMENT
FLIGHT CONTROL COMPUTER, M140 (E1-3)
RIGHT FLIGHT CONTROL
FWD COMPUTER, M141 (E1-2)
MAIN EQUIPMENT CENTER
A
A/T ARM  IAS/MACH  HDG  VERT SPD  ALT  L  A/P ENGAGE C  R 
ON F/D  OFF  NAVL  B/CRS  CMD  CMD  CMD  ON F/D 
OFF  EPR  SEL  AUTO 5 NAVV  SEL  25 LIMIT BANK  DN  LOC  CWS  CWS  CWS  OFF 
SPD  FLCH  HOLD  V/S  HOLD  APP  DISENGAGE 
UP 

AFCS MODE CONTROL PANEL, M90
1
OUTBOARD  B
SIDE
GO-AROUND SWITCHES, S7,S8,S517,S518, S519,S520
CAPTAIN'S OR FWD FIRST OFFICER'S AUTOPILOT DISENGAGE SWITCH, S5 or S6
THRUST LEVERSCONTROL WHEELS
1
AIRPLANES WITH CONTROL WHEEL
C D
STEERING Autopilot/Flight Director Power - Component Location
Figure 102
G23049
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A

757 MAINTENANCE MANUAL
 FLIGHT CONTROL COMPUTER - REMOVAL/INSTALLATION
______________________________________________
 1.  General_______
 A.  Three Flight Control Computers (FCC) are installed in the main equipment center. The left FCC is on shelf E2-1, the center FCC is on shelf E2-3, and the right FCC is on shelf E2-2. The computers have hold-down hooks on the front to attach them to the rack. One multi-pin connector divided into three areas is found at the rear of each unit.
 TASK 22-11-01-004-001
 2.  Remove the Flight Control Computer__________________________________
 A.  References
 (1)  
20-10-01/401, E/E Rack Mounted Components

 (2)  
20-41-01/201, Electrostatic Discharge Sensitive
 Devices

 B.  Access
 (1)  
Location Zones
 119/120 Main Equipment Center

 (2)  
Access Panels
 119BL Main Equipment Center

 C.  Prepare For Removal
 S 864-006
 (1)  
Set the two F/D switches on the MCP to OFF.

 S 864-007

 (2)  
For left FCC removal, open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:

 (a)  
11A17, AUTOFLIGHT WARN

 (b)  
11E17, FLT CONT COMPUTER PWR LEFT

 S 864-008
 (3)  For center FCC removal, open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
 (a)  
11A17, AUTOFLIGHT WARN

 (b)  
11E20, FLIGHT CONT CMPTR PWR CENTER

 S 864-009
 (4)  For right FCC removal, open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
 (a)  
11A17, AUTOFLIGHT WARN

 (b)  
11E35, FLT CONT CMPTR PWR RIGHT

 D.  Remove the Flight Control Computer
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