(2)
High-Speed Disk Sander - Commercially available
C. Consumable Materials
(1)
Rain Erosion Coatings
(a)
C00807 Primer - Chemglaze 9924 Wash Primer Base (Part A) and Catalyst (Part B)
(b)
Erosion Coating - Caapcoat FP-200 (BAC 707, Gray) Base curing agent and accelerator
(2)
E00136 Caapcoat Polyurethane Thinner PUT10, or Mil-T-81772 Type I (for use with Caapcoat paint).
(3)
Solvents
(a)
B00378 Methyl Ethyl Ketone (MEK) TT-M-261
(b)
B00589 Toluene (Toluol), TT-T-548
(c)
B00154 JAN-T-171 Grade A
(d)
B00344 Xylene, TT-X-916
(4)
Abrasive Pads
(a)
G02167 Scotchbrite Finishing Type A, very fine
(b)
Aluminum Abrasive Nylon Pad Type F
(5)
Masking Tape, Solvent Resistant
(a)
No. 226 YR-239
(b)
G00366 P-705
(6)
G00843 Wipers - Lint Free Cotton (BMS 15-5 Class A?)
D. References
(1) Standard Overhaul Practices Manual SOPM 20-30-03, Stripping Requirements
E. Access
(1) Location Zone 321 Vertical Stabilizer - Removable Leading Edge
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747-400 MAINTENANCE MANUAL
F. Procedure
S 348-022
(1) If the damage extends over much of the surface of the RERC repair as follows:
WARNING: MAKE SURE PERSONNEL STAY A MINIMUM OF 6 FEET AWAY FROM THE
_______ VERTICAL STABILIZER WHEN THE HF SYSTEM TRANSMITS. RF ENERGY FROM THE HF COMMUNICATION ANTENNA CAN CAUSE INJURIES TO PERSONNEL.
WARNING: DO NOT GET THESE FINISHES AND SOLVENTS IN YOUR MOUTH OR
_______ EYES, OR ON YOUR SKIN. DO NOT BREATHE THE FUMES. PUT ON PROTECTIVE SPLASH GOGGLES AND GLOVES WHEN YOU USE THESE SOLVENTS. KEEP THESE SOLVENTS AWAY FROM SPARKS, FLAMES AND HEAT. THESE SOLVENTS ARE POISONOUS AND FLAMMABLE WHICH CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT. OBEY ALL SAFETY AND FIRE PRECAUTIONS. IF THE MATERIALS TOUCH THE EYES, FLUSH WITH WATER FOR 15 MINUTES AND GET MEDICAL ATTENTION. IF MATERIALS TOUCH THE SKIN, WASH WITH WATER AND WIPE UP ALL SPILLS IMMEDIATELY.
(a) Apply masking tape to areas that surround the RERC coating that will not be touched by solvents, cleaners or equivalent agents.
CAUTION: DO NOT LET SOLVENTS REMAIN ON THE SURFACE FOR MORE THAN
_______ 12-24 HOURS. IF YOU LEAVE SOLVENTS ON THE SURFACE FOR MORE THAN 24 HOURS, THE SURFACE CAN SWELL.
(b)
Clean off the coating with abrasive pads and water.
(c)
Wipe the area with solvent, Series 87 (AMM 20-30-87) and use the wiper until it collects no signs of coating residue.
(d)
Place a wiper moistened with solvent over the area to be repaired.
(e)
Place a plastic cover over the moistened wiper.
NOTE: The plastic cover will capture the solvent and will
____ help keep the solvent in the part and will not let the solvent evaporate.
(f)
Keep the plastic cover on the leading edge from 12-24 hours.
(g)
Remove any paint or primer and old conductive coating and use 240 grit or finer abrasive cloth or paper.
(h)
Wipe off sanding residue with a clean cloth moistened with solvent.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
G. Application of Coating
S 378-024
(1) Refer to Figure 802 when you mix, thin, apply, and cure the
materials.
NOTE: Unmixed primer and coating can be used up to 24 months from 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 安定門 STABILIZERS(21)
