1) Do not use force to apply the paint stripper on the primer. Lightly apply a thick layer of the paint stripper on the area.
(b)
Permit sufficient time to loosen the primer (20 minutes to 1 hour).
(c)
When the primer is loose, rub the area fully with a rigid bristle brush.
(d)
Clean the area with a solvent mixture (1:1 by volume) of toluene and methyl ethyl ketone.
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737-300/400/500MAINTENANCE MANUAL
~............................................................................. | REMOVE | | | | | | | THESE | PERMITTED | PROCEDURES | | | | | TYPE OF | METAL | TO APPLY | TYPE OF | PERMITTED | TEMPERATURE | | FINISH | SUBSTRATES | THE STRIPPER | STRIPPER | STRIPPER | (°F) | ............................................................................... |PRIMERS, | ALL | WIPE OR | SOLVENT |BUTYL CELL- | ROOM | |WAX,OVER | | SQUIRT-ON | | OSOLVE, | | |SPRAY,AND| | | |METHYL | (NOT MORE | |TEMPORARY| | | |ISOBUTYL | THAN 90°F) | |COATINGS | | | |KETONE | | | | | | |ETHYL ALCO- | | | | | | |HOL, XYLENE,| | | | | | |TOLUENE, | | | | | | |TURCO 800 | | ...............................................................................
|ALL | DOES NOT | SPRAY ON |SOLVENT | CEE BEE | 50-100°F |
|FINISHES | INCLUDE | BRUSH-ON |NON- | A-306B | OPTIMUM |
| | STEEL HEAT- | |PHENOLIC | | 65-800°F |
| | TREATED MORE| |NON- | | |
| | THAN 220 KSI| |CHROMATED | | |
| | | | | | |
| | | |SOLVENT | TURCO | |
| | | |NON- | 5878 | 50-100F |
| | | |PHENOLIC | | OPTIMUM |
| | | |CHROMATED |PENNWALT | 65-80°F |
| | | | |EZ STRIP 19E| |
............................................................................... |ADHESIVES| ALUMINUM | SPRAY ON | SOLVENT |ALCOR LO-| 50-100°F | | *[1] | | BRUSH-ON | |2030M FIBER-| OPTIMUM | | | | | |RESIN ES1 | 65-80°F | | | | | |TURCO 5351 | | | | | | | (THIN) | | ............................................................................... | *[2] | DOES NOT | SPRAY OR | SOLVENT |TURCO 5292B | 50-100°F | | | INCLUDE | BRUSH-ON | |TURCO 5351 | OPTIMUM | | | STEEL HEAT- | | | (THICK)| 65-80°F | | | TREATED MORE| | | | | | | THAN 220 KSI| | | | | ............................................................................... |DOES NOT | ALL | SPRAY OR | SOLVENT |TURCO 5292B | 50-100°F | |INCLUDE | | BRUSH-ON | |CEE BEE | OPTIMUM | |*[1] AND | | | |A-228-D | 65-80°F | |*[2] | | | |TURCO 5351 | | | | | | | (THICK)| | 2.........….............…..............…...........…............….............1
*[1] EPON 933, EPON 9303, BMS 5-42, 5-51, 5-70, 5-80, 5-89
*[2] BMS 10-53, 10-39; EPOXY PRIMER, EPOXIES, POLYURETHANES
TABLE I
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Composite Substrates: S 157-015-B00
(2) Use 150 grit or finer sand paper for removal of enamel or topcoat.
Abrade topcoat evenly down to primer surface.
NOTE:____ It is not necessary to remove primers for the application of
primer, enamels, or topcoat.
S 157-016-B00
(3) Abrade and feather primer and enamel coatings using 240 grit or
finer sandpaper.
NOTE:____ Do not damage the fiber of the composite substrate.
S 157-017-B00
(4) If substrate has a conductive coating, sand off all coating in area
to be repainted to obtain uniform conductivity after touch-up.
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