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MODEL 182 & T182 SERIES SERVICE MANUAL
paper which has been thoroughly wrinkled.
Unmask
When necessary to touch up or refinish an area, the
ABS and other preprimed parts and check tapes.
defect should be sanded with #400 and followed by
Clean surface with a jet of low pressure-dry air.
#600 sandpaper.
Avoid, if possible, sanding through
the primer.
If the primer is penetrated over an area
19-10.
PAINTING ALL-OVER WHITE OR COLOR.
1/2 inch square or larger, repriming is necessary.
a. Complete painting of the plane should be done
Avoid spraying primer on the adjacent paint as much
with 2 or 3 wet, even coats.
Dry coats will not re-
as possible. Since urethane finishes cannot be "spot-
flow, and will leave a grainy appearance.
ted in" repairs should be in sections extending to
b. Allow 5 minute period for the finish to flash off
skin laps or stripe lines.
before moving aircraft to the oven.
a. Dry overspray and rough areas may be com-
c.
Move to the force dry oven and dry for approxi-
pounded out with DuPont #808 rubbing compound.
mately 1 1/2 hours at 120°F to 140 F.
b. Grease, bug stains, etc., may be removed from
d. Dry film thickness of the overall color should be
painted surfaces with DX440 Wax and Grease Remov-
between 1. 3 and 2. 0 mils. Films in excess of 3.0
er or Imperial Cleaner.
Klad Polish may be used on
mils are not desirable.
bare aluminum to remove stains, oxides, etc.
c.
Rework areas, where paint or primer removal
19-11.
MASKING FOR STRIPES.
is required, may be stripped with Strypeeze Paint
a. Remove airplane from the oven. Allow airplane
Removal
All traces of stripper must be removed
to cool to room temperature before masking.
before refinishing.
b.
Mask stripe area using 3M Tape Y231 or 3M
Tape Y218 and Class A solvent proof paper.
Double
19-13.
REPAIR OF DENTS.
tape all skin laps to prevent blow by.
a. To repair dents use White Streak Filler or equiv-
c. Airplanes which will have a stripe only configur-
alent. Mix White Streak in the correct proportion as
ation shall be masked, cleaned, and primed, in stripe
recommended by the manufacturer.
area only.
b. Do not apply White Streak Filler over paint. All
d. If the base coat is not over 72 hours old, the
paint shall be removed in the repair area and the alu-
stripe area does not require sanding.
If sanding is
minum surface sanded lightly to increase adhesion.
necessary because of age or to remove surface de-
Apply the White Streak to a level slightly above the
fects, use #400 or #600 sand paper. Course paper
surrounding skin. After drying for 10-15 minutes,
will leave sand marks which will decrease gloss and
sand the filler flush with the skin surface, using care
depth of gloss of the finish. The use of power sand-
to feather the edges.
ers should be held to a minimum, if used, exercise
care to preclude sanding through the white base coat.
19-14. REFINISHING ENGINE MOUNTS.
After
Wipe surface to be striped with a tack cloth and check
completing a repair as directed in section 18, finish
all tapes.
the entire engine mount with P/N CES1099-IS,
e. Stripe colors on Enflex III base coat will be
(CCM44A), Zinc Rich Primer. Apply as follows:
Enflex III and on Imron base coat will be Imron
a. Scuff sand or grit blast the entire mount to bare
Enamel. Mix as outlined in paragraph 19-9.
metal.
f.
Painting of the stripe should be done with 2 or 3
b. Wipe with solvent such as lacquer.
wet-even coats. Dry coats will not reflow, and will
c.
Thin primer by 25 to 30%with No. 2 thinner,
leave a grainy appearance.
Stripes may be force
and mix thoroughly.
dried or air dried. Film thickness of a stripe is ap-
d. Spray to a film thickness of 0.001" to 0.0015".
proximately 1.0 mil.
e. Material may be force dried at 180
°
to 200°F
g. Do not remove masking tape and paper until the
for 10 to 15 minutes.
paint has dried to a "dry to touch" condition.
Care
should be exercised in removal of the masking to pre-
NOTE
vent damage to the finish.
h. Modified urethane finishes are sensitive to mois-
Aircraft with serials prior to 18260364
ture, therefore, should be stored out of rain until
should have the entire mount refininshed
cured.
after repair actions.
Beginning with
serial 18260364, only the affected areas
19-12.
TOUCH-UP.
need to be repaired and refinished.
NOTE
Application of a top coat thickness in excess of 5. 0
mils, requires a control surface balance check.
19-6
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