(2)  
The preparation of the abrasion resistant finish

 (3)  
The application of the abrasion resistant finish

 (4)  
The repair of the damaged surfaces.

 TASK 51-21-94-307-005-B00
 2.  Abrasion Resistant Molybdenum Disulfide Finish Application__________________________________________________________
 A. Standard Tools and Equipment
 (1)  
Spray Equipment (Nonatomizing)

 (2)  
Scrapper - Wooden or Plastic

 (3)  
Clothing - Protective

 B. Consumable Materials
 (1)  
C00173 Coating, Tereco 155, Part A (Base)

 (2)  
C00173 Coating, Tereco 155, Part B (Accelerator)

 (3)  
B00094 Solvent, Toluene (Toluol), TT-T-58 of JAN-T-171, Grade A

 (4)  
B00344 Solvent, Xylene, TT-X-916, Grade A

 (5)  
B00151 Solvent, Methyl Isobutyl Ketone (MIBK), TT-M-268

 (6)  
G00034 Cheesecloth - Clean and Lint-free

 (7)  
G00382 Paper - Abrasive, Aluminum Oxide, 240-Grit (minimum)

 (8)  
G00383 Paper - Abrasive, Aluminum Oxide, 320-Grit (minimum)

 (9)  
C00259 Primer - BM 10-11, Type I

 (10)
 G00500 Brush - Clean - Stiff Bristle

 (11)
 G02180 Brush - Paint, Nylon or Bristle

 C. Prepare the Surface
 S 187-002-B00
 (1)  Prepare the aluminum surfaces.
 (a)  
Apply a layer of chromic acid anodizing or alodizing to all aluminum surfaces.

 (b)  
Apply a layer of BMS 10-11, Type I, epoxy primer.

 (c)  
Let the primers dry before you apply the abrasion resistant finish. 1) Let the primers dry for a minimum of 1 hour at room

 temperature or 15 minutes at 150° |15°F.
 S 187-003-B00
 (2)  Prepare the painted surfaces.
 (a)  
If it is less than 48 hours since you applied the BMS 10-11 epoxy primer: 1) Clean the surface with toluene. 2) Dry the surface with a clean, dry cheesecloth.

 (b)  
If it is more than 48 hours since you applied the BMS 10-11 epoxy primer: 1) Clean the surface with toluene or MIBK.

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 51-21-94
 ALL  ú ú B01 Page 703 ú Jul 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 2) Rub the surface with 320-grit (minimum) aluminum oxide paper. 3) Clean the surface again with MIBK.
 S 107-004-B00
 (3)  Prepare the steel surfaces.
 (a)  Apply one layer of BMS 10-11, Type 1, epoxy primer on the surface.
 D.  Apply the Abrasion Resistant Finish
 S 377-004-B00
 WARNING: DO NOT GET THE FINISHES, CLEANERS, THINNERS AND SOLVENTS IN
_______ YOUR MOUTH OR EYES, OR ON YOUR SKIN OR CLOTHES. DO NOT BREATHE THE FUMES FROM THESE MATERIALS. MAKE SURE THE AIR FLOWS FREELY THROUGH THE WORK AREA. USE THE NECESSARY RESPIRATORY PROTECTION. KEEP THESE MATERIALS AWAY FROM SPARKS, FLAME AND HEAT. THESE MATERIALS ARE POISONOUS AND FLAMMABLE AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 WARNING:_______DO NOT GET TERECO 155 ON YOUR SKIN. TERECO 155 CONTAINS DANGEROUS COMPOUNDS THAT CAN CAUSE INJURY.
 (1)  Mix the abrasion resistant finish.
 NOTE: The abrasion resistant finish has Tereco 155 base material
____ (part A) and Tereco 155 accelerator (part B). Mix each component fully before you mix parts A and B together.
 (a)  If you apply the finish with a brush: 1) Add 25 parts (by weight) of part B to 100 parts (by weight) of part A.
 2)  To make the solution thin, add 9 parts (by weight) of toluene or xylene for each 125 parts (by weight) of the finish mixture.
 NOTE: The thinner is added to part B before you mix part A
____
 and B.

 (b)  If you apply the finish with a spray gun: 1) Add 25 parts (by weight) of part B to 100 parts (by weight) of part A.
 2)  To make the solution thin, add 20 to 30 parts (by weight) of the toluene or xylene for each 125 parts (by weight) of the finish mixture.
 NOTE: The thinner is added to part B before you mix part A
____
 and B.

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