B. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
C. Procedure
S 862-014-N00
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE AUTOTHROTTLE
_______ SERVOMOTOR/BRAKE ASSEMBLY. THE AUTOTHROTTLE SERVOMETER/BRAKE ASSEMBLY CAN MOVE THE THRUST LEVERS FROM THE FORWARD IDLE POSITION TO THE FULL FORWARD THRUST POSITION IN FIVE SECONDS. IF YOU DO NOT DO THE DEACTIVATION PROCEDURE, THE ACCIDENTAL OPERATION OF THE AUTOTHROTTLE SERVOMOTOR/BRAKE ASSEMBLY CAN OCCUR AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1) Open these circuit breakers and attach the DO-NOT-CLOSE tags:
(a) P7 Overhead Circuit Breaker Panel
1) 7C4 FMCS A/T SERVO L
2) 7C25 FMCS A/T SERVO EXC
3) 7C26 FMCS A/T SERVO R
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TASK 76-11-03-002-015-N00
8. Remove the Control Stand Side Panels (Fig. 204)
____________________________________
A. General
(1)
This task gives access to the autothrottle servomotor and brake assembly, the interlock actuators for the reverse thrust lever, the connecting rods for the thrust lever assembly-brake assembly, the reverse thrust lever switch, the flap lever RVDT, the locking mechanism for the speed brake, the speed brake assembly, the flap lever assembly, and the electrical cables for the control stand.
B.
References
(1)
IPC 76-11-03
C.
Access
(1)
Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
D.
Procedure
S 032-016-N00
(1)
Disengage the 13 quick-release fasteners which hold each side panel to the control stand.
S 022-017-N00
(2)
Remove the side panel on the control stand.
S 552-018-N00
(3)
Keep the side panel.
TASK 76-11-03-862-019-N00
9. Remove the Electrical Power from the Thrust Command Resolvers (Fig. 201)
_____________________________________________________________
A. General
(1)
This task removes the electrical power from the electronic engine control and the thrust command resolvers.
(2)
You must do this task before to the removal, installation, or adjustment of the position resolvers for the thrust lever.
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SEE A
CONTROL STAND SIDE PANEL
SEE B
A
SPRING LOADED
LATCH PIN
(13 LOCATIONS)
B
Control Stand - Side Panel Installation Figure 204
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B. Access
(1)
Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
C.
Procedure
S 862-020-N00
(1) Open these circuit breakers and attach the DO-NOT-CLOSE tags:
(a) P414 Power Distribution Center - Left
1) 414D17 CH SELECT GND TEST ENG 1
2) 414D18 CH SELECT GND TEST ENG 2
3) 414D19 CH SELECT GND TEST ENG 3
4) 414D20 CH SELECT GND TEST ENG 4
5) 414D21 EEC GND TEST ENG 1
6) 414D22 EEC GND TEST ENG 2
7) 414D23 EEC GND TEST ENG 3
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本文链接地址：747-400 AMM 飞机维护手册 发动机控制 ENGINE CONTROLS(26)
