Cessna 206 - Page 53

CESSNA AIRCRAFT
COMPANY
SINGLE ENGINE
STRUCTURAL REPA
IR MANUAL
RIVETED ALUMINUM STRUCTURE REPAIR
1. Preparing Rive
ted Aluminum Structure For Repair
A. To prepare an area for repair, examine and classify the damage. Make a thorough check before
beginning repairs. In some cases, a damaged part may be classified as needing replacement;
however, afte
r removal, closer inspection indicates the part may be repaired.
(1) Remove all ragged edges, dents, tears, cracks, punctures, and similar damages.
(2) Stop-drill all cracks using a No. 30 (0.128 inch) drill.
(3) Leave edges, a
fter removal of damaged area, parallel to any square or rectangular edges of the
unit.
(4) Round all corners
(5) Smooth out abra
sions and dents
(6) Deburr all edges of repair and ensure that no nicks or scratches remain
(7) Brush all aluminum parts having rough edges with a solution of Iridite or alodine mixed in a ratio
of one ounce of I
ridite or alodine to one gallon of water, and rinse thoroughly.
(8) To restore original paint and corrosion protectant properties to factory standards, refer to
appropriate Maintenance Manual, Chapter 20, Exterior Finish - Cleaning/Painting for refinishing
procedures and
required materials.
NOTE: Damage adjacent to a previous repair requires removal of the old repair and inclusion
of the entire a
rea in the new repair.
51-71-00 Page 801
© Cessna Aircraft Company Jun 1/2005