(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 038-076
(1)
Remove the trim strips from the panel.
S 348-077
(2)
Rub the area where you will apply the adhesive with abrasive paper to remove the surface contamination.
S 118-078
(3)
Clean the area with a cheesecloth that is moist with naphtha.
S 118-079
(4)
Dry the area with a clean cheesecloth.
S 018-080
(5)
Remove the release paper from the laminate that you want to apply.
S 428-081
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.
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S 888-082
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.
(7) 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 AMM 20-10-26/201 for cautions to obey when you use heat guns.
S 348-083
(8)
Rub the tedlar laminate until the bond is satisfactory and you cannot see bubbles.
S 348-084
(9)
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)
Let the laminate cure 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.
TASK 25-00-00-308-085
4. Repair Nomex Honeycomb Sandwich Panels that have a Decorative Tedlar Cover
__________________________________________________________________________
A. General
(1) This task gives instructions to repair damage that went through the decorative tedlar laminate into the honeycomb sandwich panels.
NOTE: Make sure the area you want to repair is smaller than 100
____ square inches. If the area is larger than 100 square inches, you must replace the part.
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MAINTENANCE MANUAL
WARNING:_______ DO NOT BREATH THE ASBESTOS DUST. PUT ON A PROTECTIVE
RESPIRATOR WHEN YOU DRILL THE LAVATORY PANELS. THE ASBESTOS
DUST CAN GET IN YOUR MOUTH OR NOSE IF YOU DO NOT USE THE
PROTECTIVE RESPIRATOR AND CAN CAUSE CANCER OR LUNG DISEASE.
(2)
Obey this WARNING during all of this task.Consumable Materials
(1)
Adhesives
(a) BMS 5-126, Type II, Class 1
1) A00273 Component A Formulation a) Epon 828 or DER 331 b) Heloxy 68
2) A00050 Component B Formulation a) Versamid 115 b) Versamid 125
(b) A00042 Scotchcast 5126
(2)
G00034 Cheesecloth - Lint-free
(3)
B00083 Solvent - Aliphatic Naphtha, TT-N-95
(4)
A00044 Adhesive - TUF-ON P-24A
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