Job Description:

• 1) Repairs defects in self-sealing rubber fuel tanks for use on airplanes: Examines fuel tanks to detect location and extent of defects, such as blisters, ply separations, cracks, and loose seams.

• 2) Cuts away rubber in defective area with knife and smooths edges with portable buffer.

• 3) Positions and cements specified patch material in defective area, using hand roller.

• 4) Cuts out and replaces defective tank fittings and rubber reinforcement strips with handtools, following blueprints.

• 5) Clamps electric platen on repaired area to vulcanize it.

• 6) Cleans foreign material from inside of fuel tank, using wire brush, buffer, and vacuum hose.

• 7) May position fuel tank on jig to verify location of fittings and screw holes.