REPAIR FUEL CELL EXTERIOR PLIES
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 uniform coat of repair
cement (4) to no more than 1/4 inch of O.D.
of buffed area (5). Use a brush. Smooth
surface with gloved fingers wet with MEK
(E244) and remove any excess cement from
unbuffed area with a clean cloth (E120) and
MEK (E244). Wear gloves (E184.1).
Wet fabric reinforcement patch (3) with MEK
(E244). Shake out excess MEK.
Center wet patch (3) over defect area and
press into wet cement (6) with gloved fingers
to make sure patch is free of air bubbles and