(2)
Remove all temporary finishes.
S 037-003
S 127-004
CAUTION: DO NOT LET STRIPPERS FALL ON FIBERGLASS, ALUMINUM
_______ FIBERGLASS, ACRYLIC WINDOWS OR FILLETS. DAMAGE TO THESE SURFACES CAN OCCUR.
(3) Use wood or plastic scrappers, abrasive paper or Scotchbrite sheets to remove bad finishes and unwanted adhesive from the surface. You can also use strippers to remove bad finishes from the surface (Ref 51-21-01).
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(4) Use a spray gun to remove all the remaining stripper material, loose dust and contamination.
NOTE: Use water at a temperature between 135°F and 145°F and at a
____
rate of 10 to 20 gallons per minute.
S 117-006
WARNING: DO NOT GET SOLVENTS IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
_______ SKIN. DO NOT BREATHE THE FUMES FROM SOLVENTS. SOLVENTS ARE HAZARDOUS MATERIALS. SOLVENTS MAY BE FLAMMABLE OR HARMFUL TO THE ENVIRONMENT. REFER TO PRODUCT MATERIAL SAFETY DATA SHEETS (MSDS) AND LOCL REQUIREMENTS FOR PROPER HANDLING PROCEDURES.
CAUTION: FOLLOW THE NECESSARY PRECAUTIONS WHEN YOU CLEAN AROUND
_______ FASTENERS, SEAMS, AND LAP JOINTS. IF YOU ARE NOT CAREFUL, DAMAGE TO THE FASTENERS, SEAMS, AND LAP JOINTS CAN OCCUR.
(5) Use a rigid bristle brush that is moist with solvent, Series 85 (AMM 20-30-85) to clean around fasteners, seams and lap joints.
NOTE: You can isolate the sealant fillet from the skin when you
____ clean with solvent, Series 85 (AMM 20-30-85). Do not test the bond of the fillet with your fingernail or with a knife. Only do a visual inspection of the interface between the fillet and the skin.
S 147-007
(6) Remove the separation that is confined to the thin edge of the sealant with solvent, Series 85 (AMM 20-30-85). Lightly rub the area with Scotchbrite sheets.
NOTE: If separation occurs between the body of the sealant
____ fillet and the airplane skin, remove the separated part of the fillet.
S 397-008
(7)
Repair all damaged sealant (Ref 51-31-01).
S 127-009
(8)
Use silicone carbide paper to make stainless steel and titanium surfaces rough.
NOTE: Do not make aluminum flame-sprayed fiberglass or Alodine
____
1200 treated surfaces rough.
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(9) Before you paint the surface, clean the surface with solvent, Series 85 (AMM 20-30-85). Clean the surface until no signs of soil are found on a clean cheesecloth.
TASK 51-21-02-107-030
3. Prepare the Surface____________________
A. Equipment
(1)
Wood or plastic scrapers; Commercially
available
(2)
Stiff bristle brush; Commercially available
B. Consumable Materials
(1)
Masking Materials
(a)
Aluminum foil tapes
1) G00117 Permacel P-112
2) G00291 Scotch No. 425
(b)
Masking tapes
1) G00366 Permacel P-705
2) G00132 3M No. 214
3) G00367 Mystic 6223
(c)
G00111 Plastic film mylar or polyethylene
(d)
G00365 Polyethylene coated paper,
VV-P-272C
(e)
G00301 Protex 20V
(2)
Solvents
(a)
G00148 Methyl Ethyl Ketone (MEK) -TT-M-261
(b)
B00135 Naphtha
(c)
B00151 Methyl Iso-Butyl Ketone (MIBK) TT-M-268
(d)
B00153 Toluene (Toluol) TT-T-548 or
JAN-T-171 Grade A
(e)
1:1 MEK-Toluene Mixture
