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时间:2011-04-09 10:28来源:蓝天飞行翻译 作者:航空
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 S 348-115

 (2)  
Lightly rub the damaged area with abrasive paper on the two sides of the panel.

 S 118-116

 (3)  
Clean the damaged area with solvent.

 S 348-117

 (4)  
Do the structural repair on the fiberglass side of the panel (SRM 51-70-06).

 S 348-118

 (5)  
Mix 100 parts by weight of Epocast 50-A resin to 15 parts by weight of Epocast No. 946 hardener (BMS 8-201, Type II).

 S 348-119

 (6)  
Do the steps that follow to the front and the back of the panel:

 (a)  
Apply a layer of the mixed adhesive resin to the side of the damaged panel that shows in the cargo compartment.

 (b)  
Apply a layer of BMS 9-3, Type H, fiberglass fabric on the layer of adhesive resin.

 


 NOTE: The fiberglass fabric should make a minimum of a 2-inch
____ overlap on the area that is not damaged. For example, the fiberglass fabric dimension that is necessary for a 1.5-inch diameter hole would be 5.5-inch diameter.
 (c)  Apply one more layer of the adhesive.
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 S 348-120
 (7)  
Allow the adhesive to cure for a minimum of 24 hours at 77 |10° F or a minimum of 1 hour at 150 |10° F.

 S 348-121

 (8)  
Attach permanently with bolts, NAS603-5P or equivalent, washers, AN960JD10L, and nuts, MS21042L3, at a maximum of 2 inches apart and approximately 0.5 inch from the edges of the fiberglass fabric.

 S 218-122

 (9)  
Make sure there is sufficient clearance between the bolts and the adjacent systems behind the panel.

 S 348-123

 (10)
 Grind the ends of the bolts smooth with the nuts to get sufficient clearance.

 S 438-124

 (11)
 Install the liner if it was removed to do the repair (AMM 25-52-01/401 or AMM 25-55-02/401).

 S 968-125

 (12)
 If sufficient clearance is still not obtained, replace the damaged panel.


 TASK 25-52-01-308-044
 6.  Flexible Cargo Liner Zipper Slider Repairs (Fig. 801)__________________________________________
 A. General
 (1)  This procedure gives the instructions to repair the zipper slider on a flexible cargo lining. This procedure does not give the instructions to replace the zipper chain. The procedure has these parts:
 (a)  
Remove the seal cap retainer at the end of the zipper chain

 (b)  
Remove the end stop retainer at the end of the zipper chain

 (c)  
Replace the zipper slider

 (d)  
Install a new end stop retainer

 (e)  
Install a new seal cap retainer.


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747-400 MAINTENANCE MANUAL
END SEAL CAP
REMOVE THE END SEAL CAP REPLACE THE BASE END STOP 
1  5 
BASE END STOP 

REMOVE THE BASE END STOP  INSTALL THE END SEAL CAP 
2  6 
BASE END STOP 
PANEL 

MOVE THE ZIPPER APART  ZIPPER 
3  PANEL TO OPEN THE DIRECTION 

SLIDER
ZIPPER SLIDERINSTALL THE ZIPPER SLIDER INSTALLATION ON A VERTICAL PANEL
4
(EXAMPLE)
Zipper Slider Replacement
Figure 801

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747-400 MAINTENANCE MANUAL
 WARNING: OBEY THE INSTRUCTIONS FROM THE INDUSTRIAL HYGIENE, FIRE, AND
 
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