Dupont Imron Method - Piper Dakota Maintenance Manual

DUPONT IMRON METHOD

If finishing fiberglass parts proceed to step 4, for magnesium parts proceed to step 6.
Always wear protective goggles and rubber gloves when using a
paint stripper. Wash strippers off skin immediately. If stripper
comes into contact with eyes, flood repeatedly with water and
CALL A PHYSICIAN.
Do not allow stripper to come into contact with fiberglass.
1. Remove old finish with commercial grade paint remover.
2. Rinse thoroughly with water (pay particular attention to rivets and seams).
3. Wipe with Methylethylketone.
4. For fiberglass parts, remove old finish by sanding, then wipe with MEK. Proceed to step 7.
5. For aluminum parts, clean and condition metal with Dupont 225S cleaner. Then apply Dupont 226S
conversion coating. Proceed to step 7.
6. For magnesium parts, rinse with water then apply 226S conversion coating (diluted with 6 parts
water). Rinse and dry.
7. Prime surface to be painted with Corlar Epoxy Primer or Multi-Purpose Primer Surfacer.
8. Allow to dry at least 4 hours before topcoating.
9. Sand, then wipe with 3812S Reducer.
10. Tack wipe surface to be painted before applying topcoat.
11. Mix enamel as per manufacturer's directions.
12. To apply solid colors, use 50 psi at the gun for siphon equipment. Spray a medium first coat, allow to
tack up and follow with a full second coat.
13. To apply metallic colors, use 65 psi. Apply a light medium tack coat. Allow to set up for 20 minutes.
Repeat for a second coat. Then reduce l5% with 8485S and apply a third light medium coat. Another
light medium coat of the reduced paint may be added. After drying, this may be clear coated with 500S
clear.
Drying time with 1895 accelerator is 2-4 hours tape-free. Without
accelerator 6-10 hours tape-free. For fisheyes use 259S Imron
Additive (2-4 oz. 1 gal.) Don't use FEE (Fisheye Eliminator).
14. Clean equipment promptly with DuPont lacquer thinner or 8585S Reducer. Do not leave mixed paint
in equipment.
B R E ATHING OF VAPOR MAY CAUSE IRRITAT I O N .
C O N TAINS LEAD. DRIED FILM OF THIS PAINT MAY BE
HARMFUL IF INGESTED.
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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1E20
20 - 25 - 00
Page - 20 - 17
Reissued: August 1, 1986