53-42-01
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 416-008
 (2) Install the main deck cargo equipment.
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 53-42-01
 ALL  ú ú 02 Page 602 ú Oct 10/93
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747-400 MAINTENANCE MANUAL
 MAIN DECK FLOOR AND UPPER DECK SEAT TRACK - CLEANING/PAINTING
_____________________________________________________________
 1.  General_______
 A.  This procedure has one task. The task gives instructions to clean and paint the main deck floor tracks and the upper deck passenger seat tracks.
 B.  The main deck floor tracks and the passenger seat tracks consist of 7178 aluminum alloy extrusions. It is necessary to keep the tracks clean and has no moisture. Anodized chromic acid and aluminized primer are the initial finishes on an open part of the track.
 C.  The seat track and floor track fasteners are installed through the center of the track. The countersunk piece has a layer of a Sealant (BMS 5-95 Type A).
 TASK 53-42-01-537-006
 2.  Floor/Passenger Seat Track Cleaning___________________________________
 A.  Consumable Materials
 (1)
C00064 Alodine - Clear MIL-C-5541

 (2)
C00717 Primer - Aluminized Epoxy, 463-6-4

 (3)
C00259 Enamel - Primer, Yellow, BMS 10-11, X-306, Catalyst

 (4)
C00259 Thinner - Enamel, BMS 10-11, TL-52

 (5)
B00083 Solvent - TT-N-95, Aliphatic Naphtha

 (6)
G00380 Paper - Aluminum oxide, 320-grit

 B.  References
 (1) 51-21-04/701, Alodized Surfaces
 C.  Access
 (1)  Location Zone
 200 Upper Half Fuselage

 D. Procedure

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747-400 MAINTENANCE MANUAL
 S 117-009
 WARNING: DO NOT GET THE SOLVENTS, FINISHES, CLEANERS, OR THINNERS IN
_______ YOUR MOUTH OR EYES, OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM THEM. USE A PROTECTIVE SPLASH GOGGLE, GLOVES, AND A RESPIRATOR (IN CONFINED AREAS) WHEN YOU USE THESE CHEMICALS. KEEP ALL THE CHEMICALS AWAY FROM ALL SOURCES OF IGNITION (HEAT, FLAME, AND SPARKS). ALL THESE CHEMICALS YOU USE ARE POISONOUS AND FLAMMABLE. IF YOU DO NOT USE THE CORRECT PROCEDURES AND EQUIPMENT, INJURY TO PERSONS OR DAMAGE TO THE EQUIPMENT CAN OCCUR.
 CAUTION: DO NOT PERMIT THE SOLVENTS TO TOUCH PLASTOCS, CONTROL CABLES,
_______ LUBRICATED AREAS, PLASTIC DECALS, OR PAINTS OR MARKINGS. DO NOT PERMIT THE SOLVENTS TO TOUCH AREAS THAT ARE RESISTANT TO HYDRAULIC FLUIDS. IF THE SOLVENTS TOUCHES THESE MATERIALS IT CAN CAUSE DAMAGE.
 (1)  Clean the seat and floor tracks as follows:
 (a)  
Clean the seat and floor tracks with aliphatic naphtha to remove all the oil or grease.

 (b)  
Rub the seat and floor tracks with aluminum oxide paper to remove the corrosion.

 (c)  
Use a vacuum cleaner to remove all the loose unwanted
 materials.

 (d)  
Clean the area with aliphatic naphtha one more time.

 S 377-005
 WARNING:_______DO NOT GET ALODINE IN YOUR MOUTH OR EYES, OR ON YOUR SKIN. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE ALODINE. ALODINE CONTAINS CHROMATIC ACID WHICH CAN CAUSE INJURY TO PERSONS.
 DO NOT LET CLOTHS THAT ARE SOAKED WITH ALODINE BECOME DRY. SOAK THESE CLOTHS IN WATER WHEN YOU DISCARD THEM. DRY CLOTHS THAT HAVE ALODINE CAN START TO BURN SUDDENLY.
 CAUTION: PUT A COVER ON ALL ADJACENT CARPETS WHEN YOU APPLY ALODINE.
　
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