51-21-41
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 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

 (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. Prepare Alodine 600, 1200 or 1200S solution
 NOTE: In areas where the Alodine may come in contact with BMS 10-20
____
 primer, only Alodine 600 should be used.

 S 377-033-B00
 WARNING: DO NOT GET ALODINE SOLUTION IN YOUR MOUTH, IN YOUR EYES, ON
_______ YOUR SKIN, OR ON YOUR CLOTHES. DO NOT BREATHE THE FUMES FROM THIS MATERIAL. AIR MUST FLOW FREELY THROUGH THE WORK AREA. USE THE NECESSARY RESPIRATORY PROTECTION. KEEP THIS MATERIAL AWAY FROM SPARKS, FLAME, AND HEAT. THIS MATERIAL IS POISONOUS AND FLAMMABLE AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Put Alodine 600, 1200 or 1200S on paper and use a roller to make the powder smooth.

 (2)
Mix the solution in a stainless steel or acid-resistant container.

 S 377-034-B00
 NOTE: Do not use lead or glass.
____
 S 377-035-B00
 (3)  
For Alodine 600 or 1200,
 add 3 ounces of powder for each gallon of final solution.

 S 377-036-B00

 (4)  
For Alodine 1200S,
 add 2 ounces of powder for each gallon of final solution.

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 51-21-41
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 377-037-B00
 (5)  
Fully mix the solution.

 S 917-038-B00

 (6)  
Do not move the solution for a minimum of 1 hour.

 NOTE:____A dirty solution is unsatisfactory. Prepare the solution in small quantities and discard it when it is dirty. If water that is not distilled is used, add nitric acid to control the pH range from 1.50 to 2.00 for Alodine 1200 or 1200s. For Aoldine 600 add 2 percent by volume of Alodine Toner 22 and stir to adjust the pH to between 1.5 and 2.0. Do a pH check. Use pHydrion paper #60781. Do not add wetting agents or other materials to this solution.
 D. Procedure - Apply Alodine 600, 1200 or 1200S solution.
 NOTE: In areas where the Alodine may come in contact with BMS 10-20
____
 primer, only Alodine 600 should be used.

 S 377-039-B00
 WARNING: DO NOT GET ALODINE SOLUTION IN YOUR MOUTH, IN YOUR EYES, ON
_______ YOUR SKIN, OR ON YOUR CLOTHES. DO NOT BREATHE THE FUMES FROM THIS MATERIAL. AIR MUST FLOW FREELY THROUGH THE WORK AREA. USE THE NECESSARY RESPIRATORY PROTECTION. KEEP THIS MATERIAL AWAY FROM SPARKS, FLAME, AND HEAT. THIS MATERIAL IS POISONOUS AND FLAMMABLE AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 DO NOT LET THE CLOTHS YOU USE TO DRY. THESE CLOTHS, WHEN DRY,
 CAN CAUSE A FIRE.
 (1)  
Apply Alodine 600, 1200 or 1200S equally with a fiber or nylon brush or a clean cheesecloth. Start from the bottom.

 S 377-040-B00

 (2)  
Let the solution stay on the surface until a given color is found. Keep the area wet. Apply small quantities of solution with a cheesecloth.

 NOTE: Do not let the Alodine 600, 1200, or 1200S solution dry until
____
 the color of the surface changes.

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