S 444-018-N00

 (2)  
Do the activation procedure for the thrust reversers
 (AMM 78-31-00/201).

 S 444-019-N00

 (3)  
Do the activation procedure for the automatic speed brakes (AMM 27-62-00/201).

 S 864-020-N00

 (4)  
Remove the DO-NOT-OPERATE tags from the forward thrust levers and from the reverse thrust levers.

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TENSION LATCHES - REMOVAL/INSTALLATION
______________________________________
 1.  General
_______
 A.  This procedure has two tasks. The first task shows how to remove the tension latches from the thrust reverser. The second task shows how to install the tension latches on the thrust reverser.
 TASK 78-31-04-004-001-N00
 2.  Remove the Tension Latches
__________________________
 A.  References
 (1)  
AMM 71-11-04/201, Fan Cowl Panels

 (2)  
AMM 71-11-06/201, Core Cowl Panels

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 (4)  
IPC 78-31-01 Fig. 22

 B.  
Access

 (1)  
Location Zones
 416 Engine 1 - Right Thrust Reverser Half
 426 Engine 2 - Right Thrust Reverser Half
 436 Engine 3 - Right Thrust Reverser Half
 446 Engine 4 - Right Thrust Reverser Half

 (2)  
Access Panels
 413/414 Fan Cowl Panels - Engine 1
 417/418 Core Cowl Panels - Engine 1
 423/424 Fan Cowl Panels - Engine 2
 427/428 Core Cowl Panels - Engine 2
 433/434 Fan Cowl Panels - Engine 3
 437/438 Core Cowl Panels - Engine 3
 443/444 Fan Cowl Panels - Engine 4
 447/448 Core Cowl Panels - Engine 4

 C.  
Prepare to Remove the Tension Latches (Fig. 401).

 S 044-020-N00
 WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
ACCESS HOLES 
FWD  SEE  B 
EXHAUST DOOR LOUVERED 
A  SEE  C 
Figure 401 (Sheet 1) Tension Latch Installation 

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FWD

FORWARD TENSION LATCH

0.02
INCH

A-A

INSTALL THE WASHERS (AN960KD616L, AN960-616L, AN960-616) TO SET A 0.01-0.02 INCH CLEARANCE BETWEEN THE SURFACE OF THE CASTING AND THE WASHERS.
Tension Latch Installation Figure 401 (Sheet 2)
E00107
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
BB

AFT TENSION LATCH WITHKNURLED 5/8-INCHADJUSTMENT ADJUSTMENTWHEEL NUT (3 LOCATIONS)
　
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