747-400 AMM 飞机维护手册 发动机 ENGINE 2(43)

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 |Tears, holes, or  |Total area of damage that  | Repair or replace. |
 |punctures in the  |is on more than 10% of the  |  |
 |concave circles in |surface.  |  |
 |the wire mesh  |  |  |
 |  |Areas of damage that extend | Repair or rep lace  |
 |  |beyond the concave circles. |  |
 |  |  |  | 
         |
 |NOTE:____ The concave circles  |  |
 |  |  in the wire mesh are |  |
 |  |  caused by the wire  |  |
 |  |  screen behind the  |  |
 |  |  surface material.  |  |

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 72-34-01
 ALL  ú ú N01 Page 604 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
~.............................................................................. | INSPECTION FOR NICKS, DENTS, AND OTHER SURFACE DAMAGE | | Table 602 | ................................................................................ | | REPLACE THE LINER BEFORE | REPLACE THE LINER BEFORE | | CONDITION OBSERVED | THE 51ST HOUR OF OPERATION | NEXT ENGINE OPERATION | ................................................................................ |Wire cloth patch |More than 0.500 inch (12.700| Repair or replace. | |that is not bonded |mm) in width or length. | | 2.....................…............................…...........................1 ~............................................................................... | INSPECTION FOR DELAMINATION | | Table 603 | ................................................................................. | DELAMINATION | EXAMINE AFTER | REPLACE BEFORE | REPLACE BEFORE YOU | | DIMENSION | EACH 50 HOURS | THE 51ST HOUR | OPERATE THE ENGINE | .................................................................................
 |  Width or  | Not more than 1.000 | Between 1.000-2.500| Repair or replace  |
 |  Length  | inch (25.400 mm)  | inches (25-64 mm)  | if more than 2.500  |
 |  |  |  | inches (63.500 mm). |

 ................................................................................. | Depth | Not more than 0.030 | More than 0.030 | Repair or replace. | | | inch (0.762 mm) | inch (0.762 mm) | | ................................................................................. | Distance from| More than 2.000 | Less than 2.000 | Repair or replace. | | other damage | inches (50.800 mm) | inches (50.800 mm) | | 2..............….....................…....................….....................1
 S 906-006-N00
 (6)  If it is necessary to replace an outer liner segment, refer to AMM 72-34-01/401.
 S 416-007-N00
 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.
 (7)  
Close the thrust reverser (AMM 78-31-00/201).

 S 416-008-N00

 (8)  
Close the core cowl panel (AMM 71-11-06/201).

 S 416-009-N00

 (9)  
Close the fan cowl panel (AMM 71-11-04/201).

 S 446-011-N00

 (10)
 Do the activation procedure for the thrust reverser (AMM 78-31-00/201).

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 72-34-01
 ALL  ú ú N01 Page 605 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
FAN EXIT LINER SEGMENTS (OUTER) - REPAIR
________________________________________
 TASK 72-34-01-348-001-N00
 1. Fan Exit Liner Segments (Outer) Repair
______________________________________
 A. Consumable Materials
 (1)  
G00834 Cloth - Cotton, Lintfree

 (2)  
A00021 Adhesive - Epoxy EA934 (Parts A and B)

 (3)  
A00940 Resin - Liquid Epoxy (PWA 421-2)

 (4)  
A00942 Agent - Epoxy Resin Curing (PWA 422-1)

 (5)  
G02349 Compound - Mold Release

 B.
　
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