(c)
You must use this mixture before the time shown in Fig. 701 has expired.
S 377-040
(2)
Apply BMS 5-108, Type I, Class B2, basecoat to the primed areas. The thickness of the basecoat must result in a level surface across the joint. After the basecoat has cured, you can have a 0.05 inch thickness greater than the level thickness.
S 127-041
(3)
Rub the surface of cured BMS 5-108 Type I basecoat with abrasive paper. You should have a smooth surface across all joints.
E. Repair Minor Damage
S 117-042
(1) Clean the surface.
(a)
Remove the loose or damaged base coat.
(b)
To smooth the damaged area, lightly rub the area with 60 grit (minimum) aluminum oxide abrasive paper.
(c)
Use a clean cloth that is wet with solvent , Series 85 (AMM 20-30-85/201). Remove all solvent while it is wet.
S 377-043
(2) Apply BMS 5-108, Type I, Class B-2 to a dry film thickness of 0.015 to 0.25 inch.
TASK 51-24-09-307-044
6. Application of Polyurethane (BMS 10-60) or Chemglaze Antiskid on the Galley___________________________________________________________________________ Floor_____
NOTE: You can add non-skid granules to the finish to give a better grip
____
in the galley areas.
A. Consumable Materials
(1) B00448 Solvent - Trichloroethane 1,1,1, Fed
Spec O-T-620C
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
51-24-09
ALL ú ú 02 Page 709 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
4
3
2
1
TEMPERATURE (F)
APPLICATION LIFE (HOURS)
Application Life of BMS5-108 Type 1, Class B-2
Figure 701
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
51-24-09
ALL ú ú 04 Page 710 ú Feb 10/89
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2)
B00148 Solvent - Methyl Ethyl Ketone (MEK),
TT-M-261
(3)
C00584 Primer - BMS 10-79, Type II
(4)
C00032 Enamel - BMS 10-60, Type II
(5)
G02126 Grit - Rubber, Antiskid Material, Atlos
TP-027+0165, Atlos Rubber Co., Los
Angeles, California 90063
(6)
C00000 Chemglaze - Hughson "V" series
(7)
G00000 Paint Roller - Short nap semi-textured roller
(8)
G00034 Cheesecloth - Dry, Lint Free
(9)
G00383 Paper - Abrasive, Aluminum Oxide, 60
Grit or Finer
B. References
(1)
AMM 20-30-87/201, Solvent - Series 87
(2)
AMM 51-21-02/701, Interior and Exterior Finishes (Prepaint Cleaning and Pretreatment)
(3)
AMM 51-24-11/701, Decorative Paint System
C. Prepare the Surfaces for Paint
S 147-045
(1)
Clean the area with the Method I instructions (AMM 51-21-02/701).
S 377-046
(2)
Apply BMS 10-79, Type II, primer (AMM 51-24-11/701).
D. Mix the Enamel
S 377-047
(1) Mix BMS 10-60, Type II (The two component enamel kit contains a resin base and a catalyst):
(a)
Add six fluid ounces of antiskid material to each quart of decorative enamel.
(b)
Mix the antiskid material and enamel. Make sure you do not create air bubbles. 1) Add the catalyst to the enamel. The ratio is one part
catalyst to one part enamel. 2) Let mixture stand for 15 minutes before you use it.
S 377-048
(2) Mix Hughson "V" Series Chemglaze (The two component Chemglaze kit contains a resin base and a catalyst).
(a)
Add 6 fluid ounces of antiskid material to each quart of the decorative enamel being used.
(b)
Mix the antiskid material and the enamel. Use a paint shaker to shake the mixture for a minimum of 5 minutes. Or, slowly hand stir. Do not create air bubbles in the mixture. 1) Mix 15 parts enamel to one part Hughson 9989 catalyst (2
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 结构 STRUCTURES(52)
