S 028-007-N00
(1) Remove the insert that is damaged:
~............................................................................... | TABLE 801 | | Insert Cross Reference And Tool Part Number | .................................................................................
| Pratt And | | Extracting | Inserting | |
| Whitney | Helicoil | Tool | Tool | |
| Insert | Insert | Part | Part | |
| Part Number | Part Number | Number | Number | Break-Off Tool |
................................................................................. | 743636 | 3591-9TN-0562 | 1227-16 | 535-9 | Long-Nose Pliers | ................................................................................. | 743637 | 3591-8TN-0500 | 1227-16 | 7552.8 | Long-Nose Pliers | ................................................................................. | 53H030 | 1191-161TN-0500 | 1227-16 | 535-16 | Long-Nose Pliers | ................................................................................. | MS124661 | 1191-9CN-0562 | 1227-16 | 535-9 | Long-Nose Pliers | 2.............…...................…..............…...........…..................1
(a) Put the blade of the extracting tool into the insert that is damaged until the top of the blade is 1/4 of a turn from the bottom of the insert that is damaged.
NOTE: If the top of the blade can not go to the depth of
____ 1/4 of a turn from the bottom of the insert that is damaged, you can use an extension on the extracting tool.
(b) Lightly hit the extracting tool with a hammer to engage the top of the blade with the bottom of the insert that is damaged.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-35-01
ALL ú ú N01 Page 802 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(c) Keep pressure on the extracting tool as you slowly turn it counterclockwise to remove the insert that is damaged.
S 428-009-N00
(2)
Install the insert:
(a)
Put the insert on the top of the inserting tool.
(b)
Align the inserting tool with the borescope hole.
(c)
Keep pressure on the inserting tool as you slowly lower and turn it clockwise until the top of the insert is at a depth of 1-1.5 threads below the surface of the borescope hole.
CAUTION:_______DO NOT LET THE TANG FALL INTO THE ENGINE. IF THE TANG FALL INTO THE ENGINE, IT CAN CAUSE DAMAGE TO THE ENGINE.
(d)
Use the break-off tool to bend the tang until it breaks off.
(e)
Discard the tang.
F.
Put The Airplane In Its Usual Condition.
S 418-010-N00
(1) Install the plug in the insert (AMM 72-00-00/601).
S 418-011-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.
(2)
Close the right thrust reverser (AMM 78-31-00/201).
S 418-012-N00
(3)
Close the right core cowl panel (AMM 71-11-06/201).
S 418-013-N00
(4)
Close the right fan cowl panel (AMM 71-11-04/201).
S 448-014-N00
(5)
Do the activation procedure for the thrust reverser
(AMM 78-31-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-35-01
ALL ú ú N01 Page 803 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
STAGE 5, 6, AND 7 ROTOR BLADES - REPAIRS
________________________________________
1. General
_______
A. This procedure has one task. The task blends the leading edges of the blades that are damaged in the 5th, 6th, and 7th stage of the high pressure compressor (HPC). You can blend the blades that are damaged more than the Service Limits until you get to the Blend Limits of this repair. The Blend Limits include 0.012 inch (0.305 mm) of material that is not damaged that must be blended along with the material that is damaged.
中國(guó)航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊(cè) 發(fā)動(dòng)機(jī) ENGINE 2(89)
