Cub Crafters CARBON CUB SS CC11-160 Maintenance Manual page 114

1. GENERAL
For repair and maintenance of painting in details, refer to Poly-Fiber, Inc.'s "How to Cover An
Aircraft Using the Poly-Fiber System" Procedure Manual.
2. PAINTING
2.1 PREPARATION
(1) PREPARATION OF METAL
(a) Sand surfaces with 180-320 grit sandpaper & very fine red Scuffpads.
(b) Degrease components with DX330 per manufacturer's instructions.
(c) Mix and apply PPG Metal Primer DX1787 and DX1788 per manufacturer's
instructions.
(d) Allow primer to dry at 140°F for 20 minutes.
(e) Sand primed surface. Use 400 grit sandpaper in areas where DUHS will be
used, or 600 grit sandpaper where PolyTone will be used.
(2) PREPARATION OF COMPOSITES
(a)
Degrease components with an alcohol based cleaner per manufacturer's instructions
(b)
Sand with 400 grit sandpaper, blow and tack off
(3) PREPARATION OF FABRIC
(a) Smooth any edges with a small iron. Use dry 400-grit sandpaper to smooth tape
and doubler edges and remove surface dust bumps. 3M 8500 Sealant or
equivalent can be used to cover seams in corners, as needed.
2.2 PAINTING
(1) GENERAL
(c) The final finish is either a polyurethane DUHS paint from PPG or PolyTone paint.
(d) Mix the DUHS paint in accordance with the PPG's application guide.
(e) Spray the first coat with a HVLP gun with a 30-50 psi inlet pressure. Allow first
coat to become hand slick, then apply a second coat.
(f) After a minimum of 15 minutes (or after the paint has flashed off), bake the
surface for a minimum of 30 minutes @ 120°F ±10° or air dry at 70
approximately eight hours.
5.6
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CUB CRAFTERS, INC.
CC11-160 MAINTENANCE MANUAL
.
Manual number SSC10000AMM
.
°
F for
Date: 10/28/2010