FMC AUTOTHROTTLE SERVO MOTOR
Autothrottle Schematic
Figure 1 (Sheet 1)
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GO AROUND
SWITCH
A/T DISCONNECT
A/T RESET
M7442 L-FMC (E2-3)
GO AROUND
SWITCH
A/T DISCONNECT
A/T RESET
M7443 R-FMC (E2-1)
P8 (YOE) PILOTS CONTROL STAND
FMC THRUST LEVER SWITCHES
Autothrottle Schematic
Figure 1 (Sheet 2)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(2) The go-around switches supply input to the FMC to signal go-around conditions selected. The settings for the go-around flight control and thrust are preselected settings which are attained and controlled by the FMC when the go-around switches are closed.
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AUTOTHROTTLE SYSTEM - INSPECTION/CHECK
______________________________________
1. General
_______
A. This procedure has two tasks. The first task is a visual inspection of the control stand components to make sure that the condition of the components is good and that they are correctly attached. The second task is to examine these components for design limits and wear limits if the results of the first task are unsatisfactory:
(1)
Thrust lever assembly
(2)
Autothrottle brake assembly
(3)
Thrust lever position resolvers.
TASK 76-12-00-226-001-N00
2. Autothrottle System Components Inspection (Fig. 601)
_________________________________________
A. General
(1) This task is an inspection of the autothrottle system. Fig. 601 shows how the components of the control stand are attached together. It also has a table which shows the data for the design limits, wear limits, and repair.
B. Consumable Materials
(1)
D00013 Grease, MIL-G-23827
(2)
A00626 Sealant, BMS 5-95
C. References
(1)
AMM 25-22-01/401, Main Passenger Cabin Ceiling Panels
(2)
AMM 76-11-03/201, Control Stand
(3)
AMM 78-31-00/201, Thrust Reverser System
D. Access
(1) Location Zone 211 Main Passenger Cabin - Nose to First Door, LH 212 Main Passenger Cabin - Nose to First Door, RH 221 Control Cabin, LH 222 Control Cabin, RH
E. Procedure
S 496-002-N00
(1) Do this procedure: Install the Chocks to the Airplane Wheels (AMM 76-11-03/201).
S 046-037-N00
WARNING: DO THE DEACTIVATION PROCEDURE OF THE FLIGHT COMPARTMENT SEAT.
_______ IF YOU DO NOT DO THE DEACTIVATION PROCEDURE, THE ACCIDENTAL OPERATION OF THE FLIGHT COMPARTMENT SEAT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2) Do this procedure: Deactivation Procedure for the Captain and First Officer Seats (AMM 76-11-03/201).
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