22-11-00
ALL ú ú 10 Page 101 ú Sep 20/97
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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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22-11-00
ALL ú ú 08 Page 102 ú Dec 20/96
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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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