S 348-171
(9)
Let the adhesive mixture cure for 3 hours at 75°F.
S 348-094
(10)
Repair the skin with the procedure given before for panels that do not have core damage.
L. Repair Bassinet Fittings
S 348-172
(1)
Fully remove the old epoxy material.
S 348-173
(2)
Remove some material from under the top skin.
S 348-174
(3)
Use the manufacturer's instructions to mix the Epocast
1618 A/B.
S 348-175
(4)
Fill the hole with the adhesive mixture.
S 348-176
(5)
Apply mylar tape to make a cover on the end of the hole in the bassinet fitting.
(6)
Slowly push the fitting in the hole.
S 348-178
(7)
Remove the unwanted adhesive that comes out when you push the insert in the hole.
(8)
Let the adhesive cure for 3 hours minimum.
S 348-177
S 348-179
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TASK 25-00-00-308-001
3. Repair Decorative Surfaces___________________________
A. General
(1) This task contains instructions to repair decorative tedlar surfaces that have small scratches, small holes, and gouges.
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 full decorative tedlar using the Decorative Tedlar Removal/Installation procedure or replace the part.
The repair depth cannot be larger than 0.10-inch in a tedlar-covered crushed-core panel that is 0.25-inch thick or more, or 0.005-inch deep in a panel that is less than 0.25-inch thick.
B. Standard Tools and Equipment
(1)
Heat Gun - 1200 to 1500 watts
(2)
Spray Gun - Paint
C. Consumable Materials
(1)
Adhesives
(a)
D00437 Filler - BMS 5-136, Ad Tech 15-3
(b)
A00032 BMS 5-127, Type II, Bostik 7132 with Boscodur 24
(2)
Solvents
(a)
B00083 Aliphatic Naphtha, TT-N-95
(b)
B00148 Methyl Ethyl Ketone (MEK), TT-M-261
(3)
B00026 Buffing Compound - Learock S-30
B00027 Optional to Learock S-30: Learock 888
(4)
B00168 Paper - Abrasive, 400-600-grit
(5)
B00380 Paper - Abrasive, 240-320 grit
(a) Silk Screen Ink - BMS 10-73
1) C00367 Type I
2) C00368 Type II
(6)
C00801 Paint - Acrylic, clear - tartan
(7)
Laminate - Decorative Tedlar, BMS 8-98
(8)
Laminate - Flexible Decorative Tedlar
(9)
G00034 Cheesecloth - Lint-free
(10)
G00123 Tape - Masking, 1 or 2 inches wide,
Permacel No. 94
(11)
G02022 Rubber - Silicone, Dow Corning Silastic
RTV B
(12)
G02023 Wheel - Buffing, cotton flannel
D. References
(1) 20-11-25/201, Heat Guns, Soldering Guns and/or Soldering Irons
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MAINTENANCE MANUAL
E. Access
(1) Location Zone
200 Upper Half of the Fuselage
F. Repairs of Small Scratches and Unwanted Marks
S 348-002
CAUTION: DO NOT RUB THROUGH THE TEDLAR WHEN YOU REPAIR THE SMALL
_______ SCRATCHES OR UNWANTED MARKS. YOU WILL CAUSE MORE EXPENSIVE REPAIRS TO BE NECESSARY IF YOU RUB THROUGH THE TEDLAR.
(1)
Rub the surface lightly with the abrasive paper until the area is not rough.
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