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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 042-133-N00
 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Do this task: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201)

 S 862-006-N00

 (2)  
To remove the electrical power from the control switches, open these circuit breakers and attach the DO-NOT-CLOSE tags:

 (a)  P6 Main Power Distribution Panel
 1) 6F13 T/R CONT ENG 1
 2) 6E13 T/R CONT ENG 2
 3) 6D13 T/R CONT ENG 3
 4) 6C13 T/R CONT ENG 4

 TASK 76-11-03-002-007-N00
 5. Remove the Thrust Lever Assembly Switch Covers (Fig. 202)
______________________________________________
 A. General
 (1)  
This task gives access to the control switches for the thrust reverser and the autothrottle disconnect and go-around switches for the removal, installation, and adjustment.

 B.
References

 (1)  
IPC 76-11-01 Fig. 2

 C.
Access

 (1)  
Location Zone
 221 Control Cabin, LH
 222 Control Cabin, RH

 D.
Procedure

 S 032-008-N00
 (1)  
Remove the three screws from the switch cover for the thrust lever assembly.

 (2)  
Remove the switch cover.

 (3)  
Keep the switch cover.

 S 022-009-N00
 S 552-134-N00
 TASK 76-11-03-002-011-N00
 6. Remove the Control Stand Thrust Lever Cover (Fig. 203)
___________________________________________
 A. General
 (1)  This task gives access to the thrust lever assemblies for the removal, installation, and adjustment.
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 76-11-03
 ALL  ú ú N02 Page 206 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEE B
SEE A
SEE  C  21 3 SEE D  4 SEE  C  A 
COVER SWITCH 
B (3 LOCATIONS) SCREW 
(3 LOCATIONS) SCREW SWITCH COVER 
C D Control Stand - Thrust Lever Assembly Switch Cover Installation Figure 202 

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 76-11-03
 ALL  ú ú N02 Page 207 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SCREW SEE A (15 LOCATIONS)
CONTROL STAND THRUST LEVER COVER
A
Control Stand - Thrust Lever Cover Installation Figure 203
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 76-11-03
 ALL  ú ú N01 Page 208 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B. References
 (1)  IPC 76-11-03
 C. Access
 (1)  Location Zone
 221 Control Cabin, LH
 222 Control Cabin, RH

 D. Procedure
 S 022-012-N00
 (1)  Remove the thrust lever cover on the control stand.
 (a)  
Remove 15 screws from the thrust lever cover.

 (b)  
Put the thrust levers at the full forward thrust position.

 (c)  
Remove the thrust lever cover.

 (d)  
Keep the thrust lever cover.

 TASK 76-11-03-042-013-N00
 7.  Deactivation Procedure for the Autothrottle Servomotor (Fig. 201)______________________________________________________
 A. General
 (1)  
This task removes the electrical power from the autothrottle servomotor.

 (2)  
You must do this task before the removal, installation, or adjustment of the components that follow: thrust lever assemblies, the autothrottle servomotor or brake assembly, the interlock actuators of the reverse thrust lever, and the microswitch pack assembly.
　
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