B.  
References

 (1)
AMM 24-22-00/201, Electric Power - Manual Control

 (2)
AMM 27-62-00/501, Speed Brake Control System

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(3)  
AMM 27-81-00/201, Leading Edge Flap Systems

 (4)  
AMM 27-51-00/201, Trailing Edge Flap Systems

 (5)  
AMM 29-11-00/201, Hydraulic Power

 (6)  
AMM 71-11-04/201, Fan Cowl Panels

 (7)  
AMM 78-31-00/201, Thrust Reverser System

 (8)  
IPC 78-36-01 Fig. 1

 C.
Access

 (1)  
Location Zones
 415 and 416 Engine 1 - Thrust Reverser Halves
 425 and 426 Engine 2 - Thrust Reverser Halves
 435 and 436 Engine 3 - Thrust Reverser Halves
 445 and 446 Engine 4 - Thrust Reverser Halves

 (2)  
Access Panels
 413 and 414 Fan Cowl Panels - Engine 1
 423 and 424 Fan Cowl Panels - Engine 2
 433 and 434 Fan Cowl Panels - Engine 3
 443 and 444 Fan Cowl Panels - Engine 4

 D.
Prepare to Adjust the Thrust Reverser Proximity Sensors.

 S 045-021-N00
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE AUTOMATIC SPEED BRAKE
_______ CONTROL SYSTEM. IF YOU DO NOT DO THIS, THE AUTOMATIC SPEED BRAKES CAN MOVE QUICKLY WHEN YOU MOVE THE THRUST LEVERS. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  Do this task: Automatic Speed Brake System Deactivation
 (AMM 27-62-00/501).

 S 045-086-N00
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE LEADING EDGE AND TRAILING
_______ EDGE FLAPS BEFORE YOU ADJUST THE THRUST REVERSER PROXIMITY SENSORS. IF YOU DO NOT DO THIS, INJURIES TO PERSONS AND DAMAGE TO THE THRUST REVERSER, FLAPS, OR WING STRUCTURE CAN OCCUR.
 (2)  
Do this task: Retract and deactivate the leading edge flaps (AMM 27-81-00/201).

 S 045-088-N00

 (3)  
Do this task: Retract and deactivate the trailing edge flaps (AMM 27-51-00/201).

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S 045-022-N00 WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (4)  
Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).

 S 015-023-N00

 (5)  
Open the fan cowl panels (AMM 71-11-04/201).

 E.  
Adjust the Actuator Lock Proximity Sensor (Feeler Gage Procedure) (Fig. 501).

 S 865-035-N00
 (1)  
Supply electrical power (AMM 24-22-00/201).
 S 865-036-N00

 (2)  
Supply hydraulic power (AMM 29-11-00/201).
 S 445-037-N00

 (3)  
Do the activation procedure for the thrust reverser
 (AMM 78-31-00/201).

 S 865-038-N00

 (4)  
Extend the thrust reverser with hydraulic power (AMM 78-31-00/201). S 865-039-N00

 (5)  
Retract the thrust reverser with hydraulic power (AMM 78-31-00/201). NOTE: The above two steps will make sure the thrust reverser is

____ fully retracted before you measure the target clearance.
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