51-21-91
ALL ú ú B02 Page 706 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
NOTE: BMS3-23 will not cure in 1 hour; however, this is a
____ sufficient amount of time to allow solvents to flash off prior to installation of insulation blankets. BMS3-23 does not cure to a tack free coating.
TASK 51-21-91-917-011-B00
5. Repair of the Corrosion Inhibiting Compound
A. General
(1)
Document rework as required applicable quality assurance provisions.
(2)
The limits of the damage or bubbles in the BMS3-23 compound in the cured coating is as follows and must be repaired:
(a)
The coating damage dimension is more than 1 percent of a given square foot.
(b)
The coating damage is larger than 1 square inch.
(3)
All damage or bubbles in the cured BMS3-26 or BMS3-29 coating must be repaired.
NOTE: When BMS3-29 isspecified as optional to BMS3-23, the damage
____ permitted will be the same as ncessary for the BMS3-23.
B. References
(1)
Prepare the Surface (AMM 51-21-91/701)
(2)
Apply the Corrosion Inhibiting Compound (AMM 51-21-91/701)
(3)
Cure the Corrosion Inhibiting Compound (AMM 51-21-91/701)
C. Consumable Materials
(1)
B00083 Solvent, Aliphatic Naphtha -TT-N-95
(2)
B00634 Solvent, Citra-Safe
(3)
G00034 Cloth, Process Cleaning Absorbent Wiper (cheesecloth, gauze) BMS15-5
D. Procedure
S 917-012-B00
(1) Do the steps that follow to repair the damaged or contaminated corrosion inhibiting compound:
(a) Prepare the Surface (AMM 51-21-91/701).
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51-21-91
ALL ú ú B02 Page 707 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(b)
Apply the applicable corrosion inhibiting compound, do this task: Apply the Corrosion Inhibiting Compound (AMM 51-21-91/701).
(c)
Cure the Corrosion Inhibiting Compound, do this task: Cure the Corrosion Inhibiting Compound (AMM 51-21-91/701).
TASK 51-21-91-917-013-B00
6. Removal of the Corrosion Inhibiting Compound
A. Consumable Materials
(1)
B00074 Solvent, Dry Cleaning -P-D-680
(2)
B00083 Solvent, Aliphatic Naphtha -TT-N-95
(3)
B00090 Solvent, Trichloroethane 1.1.1 - MIL-T-81533
(4)
B00093 Solvent, Tetrachloroethylene (Perchloroethylene) - O-T-236
(5)
B00634 Solvent, Citra-Safe
(6)
G00034 Cloth, Process Cleaning Absorbent Wiper
(cheesecloth, gauze) -BMS15-5
B. Procedure
S 917-014-B00
WARNING: DO NOT GET SOLVENTS IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
_______ SKIN. SOLVENTS ARE HAZARDOUS MATERIALS. DO NOT BREATHE THE FUMES FROM SOLVENTS. SOLVENTS MAY BE FLAMMABLE OR HARMFUL TO THE ENVIRONMENT. REFER TO PRODUCT MATERIAL SAFETY DATA SHEETS (MSDS) AND LOCAL REQUIREMENTS FOR PROPER HANDLING PROCEDURES.
(1) Remove the unwanted corrosion inhibiting compound with a cloth moist with solvent.
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