S 865-025-N00

 (2)  
Make sure the forward thrust levers are in the idle position and attach the DO-NOT-OPERATE tags.

 S 865-026-N00

 (3)  
Make sure the reverse thrust levers are in the fully stowed position and attach the DO-NOT-OPERATE tags.

 S 045-027-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.
 (4)  
Do the deactivation procedure for the thrust reversers for ground maintenance (AMM 78-31-00/201).

 S 015-006-N00

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

 S 015-028-N00

 (6)  
Open the core cowl panels (AMM 71-11-06/201).

 S 015-007-N00

 (7)  
Open the louvered exhaust door on the bottom of the thrust reverser.

 (8)  
Release all four tension latches.

 S 015-029-N00
 NOTE: Start from the aft tension latch and go forward.
____
 S 825-009-N00
 (9)  Adjust and close the latch band (AMM 78-31-02/501).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEE A
OVERBOARD 
DRAIN (REF) 
FORWARD TENSION 
LATCH 
SEE  B 
LOUVERED 
EXHAUST 
DOOR 
FWD 
AFT TENSION LATCHES 
A  SEE  D 
Tension Latch Adjustment 
Figure 501 (Sheet 1) 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
ANTIROTATION STOP KEEPER BODY
SEE CTENSION
EYEBOLT
LATCH HOOK  STARWHEEL
A
STARWHEEL A ACCESS SLOT
TENSION LATCH HANDLE IN THE OPEN FREE MOVEMENT POSITION ALLEN WRENCH90`
FORWARD TENSION LATCH
LATCH CLOSING FORCE
TORQUE BOX FWD
A-A B
TENSION 
LATCH HOOK 
ALLEN 
KEEPER  WRENCH 
EYEBOLT  BODY 

ANTIROTATION STARWHEEL
STOP
B B
B-B PIN KEEPER BODY
GUIDE
ALLEN C WRENCH
Tension Latch Adjustment Figure 501 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
3. 5/8-INCH 
ADJUSTMENT NUT  5. RETAINING 
(UNLOCKED)  SPRING 
SEE  E  POSITION) (OPEN 
LATCH HANDLE  SEE  F 
(REF) 
4. LATCH HOOK 
LOUVERED 
EXHAUST DOOR 
HINGE (REF) 
1. KNURLED 
2. LATCH HOOK  ADJUSTMENT 
WHEEL 

LOUVERED EXHAUST DOOR (REF)
AFT TENSION LATCHAFT TENSION LATCH WITH 5/8-INCH ADJUSTMENT NUTWITH KNURLED ADJUSTMENT WHEEL (RETAINING SPRING IN OPEN POSITION)
D D
5. RETAINING SPRING
3. 5/8-INCH (OPEN POSITION)ADJUSTMENT NUT (UNLOCKED) SEE F
4. LATCH HOOK
3. 5/8-INCH ADJUSTMENT NUT (LOCKED)
6. 5/8-INCH
WRENCH  5. RETAINING SPRING (CLOSED POSITION)
4. LATCH HOOK
AFT TENSION LATCH
E
WITH 5/8-INCH ADJUSTMENT NUT (RETAINING SPRING IN CLOSED POSITION)
F
Tension Latch Adjustment Figure 501 (Sheet 3)
E00243
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