Thrust Reverser Repair
Figure 801 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 78-31-01
 ALL  ú ú N01 Page 804 ú Oct 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
F. Repair of Slight Abrasions/Minor Damage
 S 358-047-N00
 (1)  Do the steps that follow for repair of slight abrasions and
 minor damage.

 NOTE: This repair is for areas less than four square inches and the
____ depth of the damage is less than 20 percent of the insulation thickness.
SEALANT CURING AGENT CONCENTRATION AND CATALYST MEASURING GUIDE
Nuocure 28 (Tin Octoate)  Thermolyte-12 (Dibutyl Tin Dilaurate) 
Curing  No. of Drops  Pot  Full  No. of Drops  Pot  Surface  Full 
Agent  of Catalyst at  Life  Cure  of Catalyst at  Life  is not  Cure 
Concen- the Specified  (Hours)  (Hours)  the Specified  (Hours)  Tacky  (Hours) 
tration  Concentration  Concentration  (Hours) 
(Parts  3  3 
per 100) 
Per  Per  Per  Per 
100g  lb  100g  lb 
0.1  4  21  0.5  1.0  5  23  4-6  36-40 
0.25  12  62  0.25  0.75  15  69  2-3.5  5-7  26-30 
0.5  20  105  0.1  0.5  25  115  1-1.5  1.5-2.5  16-24 

FROM CONVENTIONAL TYPE MEDICINE DROPPER
Thrust Reverser Repair Figure 801 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 78-31-01
 ALL  ú
 ú  N01  Page 805
 ú  Oct 10/97 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CAUTION: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLEAN THE REPAIR
_______ AREAS. DO NOT USE SOLVENTS TO CLEAN THE REPAIR AREA BECAUSE CONTAMINATION OF THE INSULATION CAN OCCUR EASILY. IF YOU DO NOT OBEY THESE INSTRUCTIONS, YOU CAN CAUSE DAMAGE TO THE EQUIPMENT.
 (a)  
Trim insulation at edge of repair to remove fluid contaminated insulation.

 (b)  
Move abrasive paper lightly on the edges to make them smooth.

 (c)  
Remove the dust with a soft brush or a clean cheesecloth.

 (d)  
Seal the areas where you see the insulation.

 (e)  
Use BMS 10-11, Type II sealant.

 NOTE: Refer to the supplier's recommendations when you mix
____
 BMS 10-102, Type II.

 G. Repair of the Scratches, Cuts and Minor Damage Down to Base Metal
 S 358-048-N00
 (1)  Do the steps that follow for repair of the scratches, cuts and minor damage down to base metal.
 NOTE: This repair procedure is for damage less than one-half inch
____
 in width that goes down to the base metal.

 CAUTION: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLEAN THE REPAIR
_______ AREAS. DO NOT USE SOLVENTS TO CLEAN THE REPAIR AREA BECAUSE CONTAMINATION OF THE INSULATION CAN OCCUR EASILY. IF YOU DO NOT OBEY THESE INSTRUCTIONS, YOU CAN CAUSE DAMAGE TO THE EQUIPMENT.
 (a)  Trim insulation at edge of repair to remove any fluid contaminated insulation.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 78-31-01
 ALL  ú ú N01 Page 806 ú Oct 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(b)  
Move abrasive paper lightly on the edges to make them smooth.

 (c)  
Remove the loose material with a soft brush or a clean cheesecloth.

 (d)  
Seal the areas where you see the insulation.

 (e)  
Use BMS 10-102, Type II.

 NOTE: Refer to the supplier's recommendations when you mix
　
中國航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 EXHAUST 1(84)