R **ON A/C 051-051,
R Subtask 32-21-00-370-050-A
R E. Touching-up Paint that is resistant to Skydrol
R (1) Preparation of the areas to be painted
R (a) Clean the surfaces to be painted with CLEANING AGENTS (Material
R No. 11-002). Dry them with clean, filtered compressed air.
R (b) Apply the STRIPPERS (Material No. 12-005) with a paint brush. If
R it is necessary, use a brush on the surface.
R (c) If you do this operation in a building, make sure that the work
R area is open to the air.
R (d) Do not let the material touch the surfaces for more than 5 hours.
R CAUTION : THE MATERIAL MUST NOT TOUCH RUBBER, PLASTICS OR_______
R ASSEMBLY AREAS.
R (e) Flush with water, under pressure if it is possible until all the
R paint and cleaning product are removed.
R (f) Dry, then clean and degrease with a chlorine-base solvent. Make
R sure that the surfaces have no oxidation.
R (2) Preparation of the Paint Mixtures
R (a) Primer - (metaflex WR) STRUCTURE PAINTS (Material No. 16-005)
R NOTE : You can keep the mixture for 8 hours at 20 deg.C (68____
R deg.F).
R 1_ 100 parts of primer
R 2_ 100 parts of hardener
R 3_ 20 parts of thinner
R (b) Undercoat STRUCTURE PAINTS (Material No. 16-001)
R NOTE : You can keep the mixture for 6 hours at 20 deg.C (68____
R deg.F).
R 1EFF : 051-051, 1 32-21-00Page 709 1 1 May 01/05 1 1 1CES 1
R You must prepare it half an hour before you use it.
R 1_ 100 parts of primer
R 2_ 30 parts of hardener
R 3_ 50 parts of thinner
R (c) Top-coat STRUCTURE PAINTS (Material No. 16-016)
R NOTE : You can keep the mixture for 6 hours at 20 deg.C (68____
R deg.F).
R You must prepare it half an hour before you use it.
R 1_ 100 parts of primer
R 2_ 100 parts of hardener
R 3_ 30 parts of thinner
R (3) Apply the Paint
R NOTE : Apply the paint with a spray gun and cover the adjacent____
R surfaces. When it is possible, the paint and the surfaces must
R be at the same temperature :
R 15 to 25 deg.C (59 to 77 deg.F). The relative humidity must be
R 35 to 75%.
R (a) Apply a layer of the primer. Let it dry for not less than 2 hours
R and not more than 3 hours.
R NOTE : You must apply the primer to bare steel with TS more than____
R 1450 MPa. When you paint bare steel with TS more than 1450
R MPa, the procedure is an undercoat and a finishing layer.
R (b) Apply a layer of the undercoat. Let it dry for not less than 3
R hours and not more than 4 hours.
R (c) Apply a layer of top-coat. Let it dry for 24 hours before you
R touch it.
R NOTE : The paint must dry for 7 days before it is resistant to____
R Skydrol.
R 1EFF : 051-051, 1 32-21-00Page 710 1 1 May 01/05 1 1 1CES 1R **ON A/C ALL
Subtask 32-21-00-914-050
F. Replacement of Sealants
(1) Preparation of areas NOTE : You must replace the sealants if they can decrease the sealing
____ of assemblies or if they are damaged.
(a) Make sure that there are no signs of sealant on the surface to be treated. Remove sealant with a spatula.
CAUTION : DO NOT DAMAGE THE PROTECTIVE FINISH.
_______
(b) Clean and degrease the paint with CLEANING AGENTS (Material No. 11-002).
(2) Apply sealing compounds
(a) Use the SEALANTS (Material No. 09-001) for :
-
the seals of fixed assemblies that can be damaged or not
-
the heads of bolts and nuts 1 Mix the SEALANTS (Material No. 09-001) : 100 g (0.22 lb) of
_ compound with 10 g (0.022 lb) of activator
2 Paint all the parts that it is necessary to paint, then apply
_ this mixture with a brush or a spatula.
NOTE : Apply layers of 0.2 to 1 mm (0.008 to 0.039 in) thick.
____ 3 Let the parts dry for 24 to 36 hours.
_ NOTE : You can keep the material as it is or you can apply a
____ finishing layer of paint that dries at the ambient temperature.
(b) Use the SEALANTS (Material No. 09-002) to :
-join the fixed elements
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