REPAIR FUEL CELL OUTER COATING
Buff surface around damage 3/4 inch larger
in all directions than damaged area (1). Use
portable drill (2), abrasive arbor, and/or
scotch-brite (E2). Buff only to remove gloss
without excessively reducing outer coating
Clean buffed area. Use a clean cloth (E120)
dampened with MEK (E244). Wear gloves
Prepare repair cement (E63.2) by blending
the two ingredients of part 2 (E63.5) together
first and then transfer the entire contents of
part 2 into the can of part 1 (E63.4). Wear
Unmixed cement will not cure.
Stir cement mixture with tongue depressor
(E424) for approximately 5 minutes. Make
certain components are completely blended
Carefully apply a thin uniform coat of cement
mixture (3) over buffed area (4) to no more
than 1/4 inch of O.D. of buffed area. Use a
brush. Smooth surface with gloved fingers
wet with MEK (E244). Remove any excess
cement from unbuffed area. Use clean cloth
(E120) dampened with MEK (E244). Wear
Do not flex fuel cell in repair area.
Allow finished repair to set for 1 hour before
moving fuel cell.
Allow finished repair to air cure for 24 hours
at room temperature of 70ºF (33ºC) minimum
Visually inspect repair for workmanship, no loose
edges, no voids, cement fully cured.
END OF TASK