747-400 AMM 飞机维护手册 EXHAUST 1(78)

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 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (17) Close the thrust reverser (AMM 78-31-00/201).
 NOTE: Keep the fan cowl panels and core cowl panels open.
____
 S 825-024-N00
 (18)
 Examine the force to close the T-bolt handle for the latch band and adjust as it is necessary (AMM 78-31-02/501).

 S 825-025-N00

 (19)
 Examine the force to close the tension latch at the four latch locations and adjust as it is necessary (AMM 78-31-04/501).

 (20)
 Close the louvered exhaust door.

 S 215-043-N00

 (21)
 Examine the surface where the louvered exhaust door and the lower fairing touch.

 (a)  
Make sure the surface between the louvered exhaust door and the lower fairing is smooth.

 (b)  
Examine the clearance between the two surfaces. (fig. 502)

 (c)  
If the clearances are not in the limits, you must add shims to the louvered exhaust door as it is necessary.

 

 S 415-040-N00
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 78-31-01
 ALL  ú ú N01 Page 510 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
NECESSARY AERODYNAMIC SMOOTHNESS TOLERANCES 
CLEARANCES  1  LONGITUDINAL (STREAMWISE) BUTT JOINT-MAX. CLEARANCE  REMOVABLE PANELS  0.060 
HINGED PANELS  0.080 
2  TRANSVERSE (NORMAL TO AIRSTREAM) BUTT JOINT CLEARANCE  REMOVABLE AND HINGED PANELS  +0.01 TO +0.07 
FLUSHNESS  3  LONGITUDINAL JOINT FLUSHNESS  REMOVABLE AND HINGED PANELS  0.00 TO +0.03 
4  TRANSVERSE JOINT FLUSHNESS  REMOVABLE AND HINGED PANELS  -0.04 TO +0.02 

(USE THE ABOVE TOLERANCES UNLESS SHOWN DIFFERENTLY IN THE SECTION VIEWS)
0.15
0.29

1. LOUVERED EXHAUST
2. BOLT

LOUVERED EXHAUST DOOR, YOU CAN
A-A
USE THE HI-LOK BOLT WITH ONE TO THREE WASHERS AND NUT AS AN
NOTE: ALL DIMENSIONS ARE IN INCHESALTERNATIVE TO THE HI-LOK COLLAR.
Exhaust Door Adjustment
Figure 502

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 78-31-01
 ALL  ú ú N01 Page 511 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
G.  If the engine maintenance is complete, Put the Airplane Back to Its Usual Condition.
 S 415-041-N00
 (1)  
Close the core cowl panels (AMM 71-11-06/201).

 S 415-042-N00

 (2)  
Close the fan cowl panels (AMM 71-11-04/201).

 S 445-028-N00

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

 S 445-029-N00

 (4)  
Do the activation procedure for the speed brake control system (Ref 27-62-00/201).

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 78-31-01
 ALL  ú ú N01 Page 512 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
THRUST REVERSER - INSPECTION/CHECK
__________________________________
 1.  General
_______
 A.  You must do the adjustment procedure for the thrust reverser when you change the strut or the thrust reverser. When you change the engine, only the inspection procedure will be necessary to verify the adjustment is correct.
 B.  The thrust reverser shims are referred to as the shims in this procedure.
 C.  This procedure has two tasks:
 (1)  
The first task gives instructions to do a check of the thrust reverser shims.

 (2)  
The second task is a scheduled maintenance task which gives instructions to do an inspection of the thrust reverser cowl hinges and adjacent structure.
　
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