(2)
G00033 Cloth - Cheesecloth, BMS15-5
(3)
B00528 Toluene (Toluol) - TT-T-548
(4)
B00344 Cleaner - Xylene, TT-X-916
B. Procedure
S 117-028
(1)
Rub small damages such as scatches and gouges with 280-grit
(minimum) abrasive paper until the surface is smooth.
S 117-037
(2)
Clean area with a clean rag moist with toluene or xylene.
S 147-038
(3)
Dry the solvent before it evaporates with a clean cheesecloth or clean with a tack rag.
S 377-029
(4)
Apply BMS 10-100 overcoat as shown in par. 7. You can use a brush to apply the overcoat to areas that need small repair.
(a) Feather all the edges.
S 377-033
(5) The repair and overlap thickness must not be more than 5.0 mils.
NOTE: The color of the new BMS 10-100 coating will not be the same
____ as the adjacent surface. Permit the coating to dry a minimum of 4 hours at 65 to 87°F.
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A
747-400 MAINTENANCE MANUAL
HIGH TEMPERATURE COATING (TITANIUM) - CLEANING/PAINTING
_______________________________________________________
1. General
_______
A. This procedure contains two tasks:
(1)
The first task is to apply the B-2000 coating.
(2)
The second task is to apply the BMS 10-82 coating.
TASK 51-24-08-307-001
2. Apply B-2000 Coating
____________________
A. Equipment
(1)
Mild steel tanks and handling equipment
(2)
Paint Spraying Equipment
(3)
Sand-Blasting Equipment
B. Consumable Materials
(1)
B00722 Solvents - Stoddard
(2)
E00003 Stripper - Turco 4338
(3)
B00007 Cleaners - Oakite 61
(4)
G02227 Water - Distilled
(5)
G00000 Gloves - Rubber
(6)
G00034 Cheesecloth - Clean and Lint-Free
(7)
B00312 Wool - Coarse Aluminum
(8)
G00116 Sponge - Celluose
(9)
G00268 Brush - Soft, High Quality Bristle
(10)
C00000 Coating - B-2000
(11)
G02057 Goggles
(12)
G02191 Grit - Abrasive, Aluminum Oxide
C. Prepare the Surface
NOTE: You can remove the high temperature coating from the titanium
____ parts on the airplane or the parts removed from the airplane. You can use sand-blast to remove the coatings on the parts that are on the airplane. You can use stripper to remove the coatings on the parts that are removed from the airplane. Because of its corrosive effects, you can not use stripper in the airplane.
S 127-002
(1) Use sand blast on the titanium parts to remove all the contamination and coating.
NOTE: Do not sand blast the interior surfaces that are not being
____
treated.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 967-003
(2) Replace all parts that have metal corrosion.
NOTE: A metallic surface with an etched surface is a sign of
____
corrosion.
S 967-004
(3)
Remove the titanium parts from the airplane if you use stripper to remove the coatings.
S 117-005
(4)
To clean the fire-resistant hydraulic fluid contamination, do the steps that follow:
NOTE: A light glossy brown layer, shiny black residue, or
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