(2)
Container, stainless steel or acid resistance
(not lead or glass, recommend polyethylene)
Commercially available
(3)
Gloves, neoprene or rubber; Commercially
available
(4)
Respirators; Commercially available
B. Consumable Materials
(1)
G02285 Abrasive Wheel - Aluminum Oxide,
Scotchbrite Tycro, Type 3A
(2)
B00137 Abrasive Paper - Aluminum Oxide, 400-grit (minimum)
(3)
Abrasive Fabric or Pad - 400-grit (minimum)
(a) G00251 Aluminum Oxide - Scotchbrite, Type A, 3M Company
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737-300/400/500MAINTENANCE MANUAL
(b) B00102 Aluminum Oxide - Bear Tex, Norton Company
(4)
C00064 Coating - Chemical conversion coating
for aluminum or aluminum alloys, (MIL-C-5541).
(5)
G00034 Cheesecloth - New, Clean, Dry, Lint Free
(6)
B00148 Solvent - Methyl Ethyl Ketone (MEK),
TT-M-261
(7)
G00116 Sponge, Cellulose (Aircraft Cleaning)
L-S-626
(8)
B00107 Chamois Scotchbrite Sheet, Finishing
Pads, Type A
C. References
(1) SRM 51-20-05, Structural Repair Manual
D. Prepare the surface for alodine coating
S 957-024-B00
(1) Apply tape to all adjacent areas. Do not let the Alodine solution fall on surfaces that have no tape.
NOTE: You do not have to apply tape on anodized surfaces.
____
S 397-018-B00
(2)
Seal all holes and clearances on assemblies that have honeycomb or foam plastic. Use the applicable sealing or caulking material or use rubber plugs to prevent entrance of the Alodine solution.
S 147-019-B00
(3)
Clean the surface with a liquid solvent grease remover. Use a clean brush or rags. Dry the surface with warm air or rub it.
S 147-020-B00
(4)
Remove the organic, inorganic and hydraulic fluid resistant finishes from the repair area. Use the subsequent materials:
(a) Scotchbrite Tycro, Type 3A aluminum oxide abrasive wheel attached to a drill motor.
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737-300/400/500MAINTENANCE MANUAL
(b)
400 grit (minimum grit number) aluminum abrasive fabric or pad.
(c)
400 grit (minimum grit number) aluminum oxide paper.
S 147-021-B00
(5)
Remove all the material (organic, inorganic) from the area until you get a clean and shiny aluminum surface.
S 147-022-B00
(6)
Clean the surface with a dry, clean cheesecloth to remove all loose and remaining particles from the area.
S 117-023-B00
WARNING: DO NOT GET METHYL ETHYL KETONE (MEK) IN YOUR MOUTH OR EYES, OR
_______ ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM MEK. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE MEK. KEEP MEK AWAY FROM SPARKS, FLAME, AND HEAT. MEK IS A POISONOUS AND FLAMMABLE SOLVENT WHICH CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(7)
Rub the surface with a cheesecloth. Make the cheesecloth moist (not soaked) with MEK. Clean the surface with a clean cheesecloth until no remaining particles are found on the cheesecloth.
S 917-024-B00
(8)
Let the surface dry for a minimum of 15 minutes.
S 107-025-B00
(9)
Remove all corrosion material found on the surface.
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