(liberal/heavy) coat of repair adhesive (1, figure 2-26) 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 with a clean
cloth (item 16, table 2-11) and acetone (item 3, table 2-
11). Wear gloves (item 4, table 2-11).
(i) Wet fabric reinforcement patch (1,
figure 2-29) with acetone (item 3, table 2-11). Shake
out excess acetone.
Figure 2-29. Applying Reinforcement Patch
(j) Center wet patch (1) over defect
area and press into wet adhesive (2) with gloved fingers
to make sure patch is free of air bubbles and loose
edges. Allow to air dry/cure for a minimum of thirty (30)
(k) Prepare new batch of adhesive
(item 1, table 2-11) and carefully apply a uniform coat
over patched area (1, figure 2-30) to no more than 1/8
inch buffed area edge. 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 with a dean cloth (item 16, table 2-
11) and acetone (item 3, table 2-11). Wear gloves (item
4, table 2-11).
Figure 2-30. Applying Adhesive Over Area No More
Than 1/8 Inch Buffed Area
(l) Allow finished repair to set for 1
hour before moving fuel cell.
(m) Allow finished repair to air cure for
24 hours before use.
Visually inspect repair for workmanship,
no loose edges, no voids and adhesive fully cured.
Repair Fuel Cell Inner Liner.
Acetone, barrier cement, repair
adhesives and its components are
flammable and toxic. They can
irritate skin and cause bums. Use
only with adequate ventilation and
purifying respirator for organic
vapors. Keep away from heat or
open flame. Wear safety glasses,
gloves and protective clothing to
avoid contact with skin, eyes and
clothes. If contact occurs, flush
areas with water and get medical
attention for eyes.
Change 2 2-48