TM 1-1500-204-23-3
(1)
Repair blisters, cuts, tears, snags and
abrasions that damage but do not penetrate the inner
reinforcement plies (no fabric damage) as follows:
(a) Use knife and trim away loose,
damaged or blistered edges (figure 2-31).
Figure 2-31. Trimming Away Damaged Areas
(b) Clean damaged area using a dean
cloth (item 16, table 2-11) dampened with acetone (item
3, table 2-11). Wear gloves (item 4, table 2-11).
WARNING
Ensure all drills are non-sparking.
(c) Buff surface around damage (1) 1
3/4 inches larger in all directions than damaged area.
Use portable drill (2) abrasive arbor and/or scotch-brite.
Buff only to remove gloss without excessively reducing
inner layer thickness.
(d) Clean buffed area. Use a dean
cloth (item 16, table 2-11) dampened with acetone (item
3, table 2-11). Wear gloves (item 4, table 2-11).
NOTE
Mix adhesive in accordance with
manufacturer's
instructions,
except do not mix full quantity of
Parts 2 and 3 with Part 1. The full
contents of Parts 2 and 3 can be
mixed together and then used as
necessary (mixed shelf life is 6
months). When mixing Parts 2
and 3 with Part 1, mix only
quantity needed to perform repair.
Mixing ratio is 58.24% of Parts 2
and 3 (mixed together) to 41.76%
of Part 1.
(e) Prepare repair adhesive (item 1,
table 2-11) by blending the ingredients of Part 2 and 3
together first and then transfer the mixture of Part 2 and
3 into the can of Part 1. Wear gloves (item 4, table 2-
11).
CAUTION
Unmixed adhesive will not cure.
(f)
Stir adhesive mixture with tongue
depressor (item 5, table 2-11) for approximately 5
minutes. Make certain components are completely
blended together.
(g) Apply a light coat of adhesive
mixture (1, figure 2-26) over buffed repair area to no
more than 1/4 inch of O.D. of buffed area (2). Use a
brush (item 6, table 2-11). Smooth surface with gloved
fingers wet with acetone (item 3, table 2-11) and remove
any excess adhesive from unbuffed area. Use dean
cloth (item 16, table 2-11) dampened with acetone (item
3, table 2-11). Wear gloves (item 4, table 2-11). Allow
to air cure for approximately 30 minutes.
CAUTION
Barrier adhesive is soluble in
acetone. Do not apply acetone to
repair area after applying barrier
adhesive.
CAUTION
Do not shake barrier adhesive.
Stir
with
a
wooden
tongue
depressor.
CAUTION
Keep
lid
on
can
of
barrier
adhesive when not in use to
prevent
evaporation
and
thickening.
Change 2 2-49