(9)  
G02188 Cloth - Abrasive, Aluminum Oxide, 220-Grit

 (10)
 G01601 Cloth - Abrasive, Aluminum Oxide, 400-Grit

 (11)
 G00382 Paper - Abrasive, Aluminum Oxide, 220-Grit

 (12)
 G00876 Paper - Abrasive, Aluminum Oxide, 400-Grit

 D. Apply the sealant to the fastener as follows:
 S 117-016
 (1)  Clean the fasteners:
 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 LOCAL REQUIREMENTS FOR PROPER HANDLING PROCEDURES.
 (a)  
To remove all of the lubricant from the fasteners use solvent, Series 92 (AMM 20-30-92/201).

 (b)  
Remove all lubricant and dirt from the fastener countersink and other reworked areas. Rub the area with a clean cloth that is moist with BMS 11-7 solvent.

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 (c)  Rub the surface dry with a clean cloth before you install the sealant and the fasteners.
 S 397-017
 (2)  Apply PR 1422, Class B, sealant:
 (a)  Follow the sealant manufacturer's instructions to mix the sealant.
 NOTE: You can obtain PR 1422 class B with a working life of
____ 1/2 or 2 hours. Mix the quantity that you can use in less than the working life of the sealant.
 (b)  
Apply a small amount of PR 1422, class B sealant to the countersunk area or under the head of the fastener. Install the fastener immediately. Remove unwanted sealant with a cloth that is moist with solvent, Series 92 (AMM 20-30-92/201).

 (c)  
Let the sealant cure as follows:

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 (d)  Rub the cured sealant with fine abrasive paper, cloth (aluminum oxide grit) or with a gum rubber buffing wheel to smooth and fair the surface.
 NOTE: Repair all alodine finish that is damaged by the above
____
 procedure.

 S 397-018
 (3)  Apply the PR 1422 class A sealant:
 (a)  Use the manufacture's instructions to mix the sealant. Mix 1 part A (accelerator) to 10 parts B (base).
 NOTE: You can obtain PR 1422 class A with a working life of
____ 1/2 or 2 hours. Mix the quantity you can use in less than the working life of the sealant.
 (b)
Apply a coat of mixed PR 1422, class A sealant to the area to be reworked. Brush the sealant around the fasteners. A continuous layer is necessary on the reworked surfaces.

 (c)  
Let the sealant to cure as follows:

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747-400 MAINTENANCE MANUAL
 ~.......................................................... | Temperature | Relative Humidity | Time | ............................................................ | 75°F | 50% | 72 Hours | ............................................................ | 120°F | 50% | 18 Hours | 2..............…............................…..............1
　
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