Diamond DA 42 NG, Maintenance Manual

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AIRCRAFT
Standard
Practices/Structures
DA 42 NG AMM
Detail Steps/Work Items Key Items/References
Page 204
15 Mar 2018
51-20-00
Doc # 7.02.15
Rev. 4
(3) Prepare the layers of cloth that you will use for
the repair.
Refer to the lay-up drawing.
(4) Protect the area of the structure around the repair
from contamination by the repair materials.
Use plastic/polythene sheeting held in
place by self-adhesive tape.
WARNING: DO NOT GET RESIN ON YOUR SKIN. RESIN CAN CAUSE SKIN
DISEASE.
WARNING: DO NOT GET RESINS, HARDENERS OR SOLVENTS IN YOUR
MOUTH OR IN YOUR EYES. THESE CHEMICALS CAN CAUSE
DISEASE.
(5) Apply a thin coat of resin to the repair.
(6) Apply the first layer (the biggest one) of cloth to
the repair and trim to the correct size.
Make sure that the fibers in the cloth
point in the correct direction.
(7) Use a roller, squeegee and a stipple brush to
remove all trapped air. Make sure that the cloth is
completely impregnated with resin. If necessary,
add more resin.
(8) When the excess resin has been brought to the
surface with the rolling and stippling process.
Apply the next layer of cloth. Trim the cloth to the
correct size.
Make sure that the fibers in the cloth
point in the correct direction.
(9) Do steps 6 and 7 as necessary until all the layers
of cloth are in place.
(10) Use the roller and squeegee to remove the
excess resin.
(11) Put a layer of peel ply over the laminate.
(12) If necessary, apply a vacuum bag to the laminate. Refer to the lay-up drawing and/or
repair drawing.
WARNING: DO NOT PUT HOLLOW COMPONENTS COMPLETELY INTO A
VACUUM BAG. YOU MAY DESTROY THEM.