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ALL ú ú 01A Page 811 ú Jun 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 118-181
WARNING:_______ DO NOT GET SOLVENTS IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
SKIN. DO NOT BREATHE THE FUMES FROM SOLVENTS. SOLVENTS ARE
HAZARDOUS MATERIALS. SOLVENTS MAY BE FLAMMABLE OR HAZARDOUS TO
THE ENVIRONMENT. REFER TO PRODUCT MATERIAL SAFETY DATA SHEETS
(MSDS) AND LOCAL RQUIREMENTS FOR PROPER HANDLING PROCEDURES.
(7)
If you want to spray the adhesive mixture, mix (by volume) one part adhesive mixture with one part MEK.
S 348-014
(8)
Carefully spray the mixture or apply the mixture to the surface with a brush.
S 378-015 CAUTION: THE SURFACE MUST BE FULLY DRY BEFORE YOU INSTALL THE TEDLAR
_______ LAMINATE. IF YOU INSTALL THE TEDLAR LAMINATE TO A WET SURFACE, YOU WILL NOT GET A SATISFACTORY BOND.
(9) Let the surface dry at room temperature for a minimum of 2 hours.
S 208-016 CAUTION: MAKE SURE THE DECORATIVE TEDLAR LAMINATE HAS THE CORRECT
_______ COLOR AND PATTERN. THE REPAIR WILL NOT BE SATISFACTORY IF THE NEW TEDLAR LAMINATE IS NOT CORRECT.
(10) Put the decorative tedlar laminate in position. NOTE: Use masking tape to hold the decorative tedlar laminate in
____ the correct position.
S 888-007 CAUTION: BE CAREFUL WHEN YOU APPLY HEAT NEAR MATERIALS THAT CAN BURN.
_______ THE TEMPERATURE OF THE TEDLAR MUST NEVER BE MORE THAN 200°F OR THE TEMPERATURE AT WHICH THE TEDLAR DISTORTS, WHICHEVER IS LOWER. TOO MUCH HEAT CAN CAUSE DAMAGE TO THE TEDLAR.
(11) Use the heat gun to increase the temperature of the tedlar laminate. NOTE: Be careful to make sure the temperature is constant across
____ the surface of the laminate. Refer to 20-11-25/201 for cautions to obey when you use heat guns.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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ALL ú ú 01A Page 812 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 348-097
(12) Do these steps to use a vacuum to make sure the laminate touches all of the panel:
(a)
Use the maximum vacuum possible that will not cause damage to the panel.
(b)
Cure the laminate for 24 hours at room temperature, for two hours at 120 degrees F, or for 30 minutes at 180 degrees F.
(c)
Let the part cool to 90 degrees F before you remove the vacuum pressure.
K. Apply Decorative Tedlar Laminate with Pressure Sensitive Adhesive
NOTE: Use this procedure to apply laminate to non-acoustical
____
(not perforated) panels with flat or simple contours.
If it is necessary, repair the panel before you apply the tedlar.
S 038-008
(1)
Remove the trim strips from the panel.
S 348-009
(2)
Rub the area where you will apply the adhesive with abrasive paper to remove the surface contamination.
S 118-010
(3)
Clean the area with a cheesecloth that is moist with naphtha.
S 118-011
(4)
Dry the area with a clean cheesecloth.
(5)
Remove the release paper from the laminate that you want to apply.
S 018-012
S 428-013
CAUTION:_______MAKE SURE THE PATTERN IS IN THE CORRECT POSITION. IF THE PATTERNS ARE NOT ALIGNED, THE REPAIR WILL NOT LOOK SATISFACTORY.
(6) Apply the laminate.
NOTE:____Be careful to not get air below the laminate. Bubbles will result if you let air get below the laminate.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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