(b)  
Component B (hardner) - 3.4 parts (by weight)

 S 937-005-B00
 (2)  Identify the container with a label.
 (a)  Write the date and hour when the mixture was mixed and when the pot life comes to an end.
 G. Apply the Intumescent Finish
 S 377-010-B00
 (1)  Apply the primer.
 (a)  
Apply the primer with a spray gun.

 (b)  
Make sure the layer thickness is 0.0003-0.0008 inches.

 (c)  
Let the primer dry before you apply the second layer (Fig. 701).

 (d)  
Apply a second layer of the primer.

 (e)
Make sure the maximum layer thickness is 0.0016 inch.

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737-300/400/500MAINTENANCE MANUAL
 (f)  Let the second layer of the primer dry (Fig. 701).
 S 377-011-B00
 (2)  Apply the intumescent finish.
 (a)  
If you apply the intumescent finish with a brush, use the solution as mixed.

 (b)  
If you apply the intumescent finish with a spray gun, use one of the two procedures that follow: 1) Procedure 1:

 a)  Use 60 psi atomization air pressure and 22 psi fluid pressure to apply the solution as mixed. 2) Procedure 2: a) Add 10% (by weight) methylene chloride to the solution to make it easier to apply. b) Use 45 psi atomization pressure and 15 psi fluid pressure to apply the solution.

 (c)  
Make sure the total thickness of the layer is 0.018-0.023 inches.

 (d)  
Let the intumescent finish dry for 48 hours at room temperature before you machine or assemble the part.

 NOTE: The intumescent finish must dry for 24 hours before you
____
 can touch it.

 S 217-012-B00
 (3)  
Examine the intumescent finish.

 (4)  
Make sure the finish has no small holes (Ref 51-21-21/701).

 S 217-013-B00
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737-300/400/500MAINTENANCE MANUAL
 PREPAINT CLEANING AND TREATMENT - CLEANING/PAINTING
___________________________________________________
 1.  General_______
 A.  There are three tasks in this procedure. The first task is to clean the surface. The second task is to prepare the surface. The third task is to clean and prepare plastic surfaces. These tasks will prepare the surface before you apply the interior and exterior finishes.
 TASK 51-21-21-107-013-B00
 2.  Prepaint Cleaning_________________
 A.  Equipment
 (1)
Spray equipment; Commercially available

 (2)
Wood or plastic scrapers; Commercially available

 (3)
Safety goggles; Commercially available

 (4)
Stiff bristle brush; Commercially available

 B.  Consumable Materials
 (1)
G00117 Tape - Aluminum Foil, Permacel P-112

 (2)
G00291 Tape - Conductive, Aluminum Foil, Scotch No. 425

 (3)
G00366 Tape - Permacel P-705

 (4)
G00132 Tape - General 3M No. 214

 (5)
G00367 Tape - Mystik 6223

 (6)  
G00368 Tape - Mylar Tape, Permacel 92, 17 inches wide, 0.005 inch gauge with innerliner

 (7)
G00111 Sheeting - Plastic Film, Mylar

 (8)
G00365 Paper - Polyethylene Coated

 (9)
G00301 Tape - Protective Gizzard, Protex 20V

 (10)
 G00148 Solvent - Methyl Ethyl Ketone (MEK), TT-M-261

 (11)
 B00153 Solvent - Toluene (Toluol), TT-T-548

 (12)
 B00154 Solvent - Toluene, JAN-T-171

 (13)
 B00280 Stripper - Turco 5351

 (14)
 G00034 Cheesecloth - Clean and Lint Free
　
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