W DOC AIRBUS | AMM A320F

Replace the Identification Marks on the Nose Cowl - VRS2733 [IAE]


TASK 71-11-11-300-010-A
Replace the Identification Marks on the Nose Cowl - VRS2733


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the Job
This repair can be done if the old identification mark is removed. Black gloss-base paint and a clear polyurethane coating can be used to replace the identification marks.
This task gives the procedure for the replacement of identification marks on the nose cowl.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
LIGHT SOURCE - HEAT
No specific
AR
SPATULA - PLASTIC
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.V01-076)
Methyl Ethyl Ketone, Technical grade
(Material No.V02-102)
paint brush
(Material No.V02-174)
cotton wool swab
(Material No.V02-178)
masking tape
(Material No.V05-020)
waterproof silicon carbide
(Material No.V06-131)
marking pen
(Material No.V07-076)
thinner
(Material No.V07-077)
catalyst
(Material No.V07-078)
gloss base (black)
(Material No.V07-096)
thinner
(Material No.V07-097)
catalyst
(Material No.V07-098)
clear polyurethane
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Referenced Information
REFERENCE
DESIGNATION
3. Job Set-up
Subtask 71-11-11-941-056-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) On the center pedestal, on the ENG panel 115VU:
     (a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
   (2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
   (3) On the overhead maintenance panel 50VU:
     (a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
     (b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
   (4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
4. Procedure
Subtask 71-11-11-110-051-A ** ON A/C NOT FOR ALL
A. Clean the surface around the repair area.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
   (1) Use a Textile-Lint free Cotton - (Material No.14SBA1) made moist with V01-076Methyl Ethyl Ketone, Technical grade to clean the surface around the area to be repaired.
   (2) Dry the area with a Textile-Lint free Cotton - (Material No.14SBA1) before the cleaning fluid dries.
Subtask 71-11-11-120-050-A ** ON A/C NOT FOR ALL
B. Remove the old identification mark.
   (1) Use the waterproof silicon carbide (Material No.V05-020) to remove the old identification mark from the surface of the repair area.
   (2) Make the old marking rough with the waterproof silicon carbide (Material No.V05-020) .
   (3) Use the SPATULA - PLASTIC to remove the old identification mark, if it is necessary. Make sure that the paint below the identification mark is not removed.
Subtask 71-11-11-110-052-A ** ON A/C NOT FOR ALL
C. Clean the repair area.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
   (1) Use a Textile-Lint free Cotton - (Material No.14SBA1) made moist with V01-076Methyl Ethyl Ketone, Technical grade to clean unwanted material from around the repair area.
   (2) Remove all unwanted material and dry the area with a Textile-Lint free Cotton - (Material No.14SBA1) before the cleaning fluid dries.
Subtask 71-11-11-350-050-A ** ON A/C NOT FOR ALL
D. Make the identification marks.
F Nose Cowl Identification Marks ** ON A/C NOT FOR ALL
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION: DO NOT USE THE PAINT MIXTURE AFTER 12 HOURS IF THE AIR TEMPERATURE IS MORE THAN 80 DEGREES F (26.7 DEGREES C). DO NOT USE THE PAINT MIXTURE AFTER 18 HOURS IF THE AIR TEMPERATURE IS LESS THAN 80 DEGREES F (26.7 DEGREES C).
   (1) The height of the letters is to be 0.5 in. (12.7 mm) for the HOIST POINT identification marks.
   (2) All other marks are to have letter heights of 0.25 in. (6.35 mm).
NOTE: A heavy stencil that is 0.015 in. (0.381 mm) thick can be used with an available stencil machine. These stencils are strong enough to be used again.
   (3) Mix the V07-078gloss base (black), the catalyst (Material No.V07-077) and the thinner (Material No.V07-076) together. Refer to the manufacturers instructions. Leave the mixture for 30 minutes before use.
   (4) Make the identification marks on the prepared area. Use the masking tape (Material No.V02-178) to hold the correct stencil in the correct position.
   (5) Apply the paint mixture to the stencil area.
   (6) Remove the stencil and clean off all unwanted paint. Use a cotton wool swab (Material No.V02-174) .
   (7) Use a heat lamp:
CAUTION: ALLOW THE PAINTED MARK TO DRY FOR 15 MINUTES BEFORE THE HEAT IS APPLIED.
     (a) Use a LIGHT SOURCE - HEAT to dry the paint at between 140 deg.F (60 deg.C) and 180 deg.F (82 deg.C) for 1 hour.
Subtask 71-11-11-350-051-A ** ON A/C NOT FOR ALL
E. Apply the clear polyurethane coat.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
   (1) Mix the clear polyurethane (Material No.V07-098) , the catalyst (Material No.V07-097) and the thinner (Material No.V07-096) . Refer to the manufacturers instructions.
   (2) Leave the mixture for 30 minutes after it has been mixed and before it is used.
NOTE: If the air temperature is 77 deg.F (25 deg.C), you can continue to use the mixture for up to 4 hours (after the mixture has been prepared).
   (3) Use a paint brush (Material No.V02-102) to apply one layer of the polyurethane coating mixture on to the new identification marks.
   (4) Use the heat lamp:
CAUTION: LET THE POLYURETHANE COATING DRY FOR 15 MINUTES BEFORE YOU APPLY HEAT.
     (a) Use a heat lamp to dry the polyurethane coating at between 140 deg.F (60 deg.C) and 180 deg.F (82 deg.C) for 1 hour.
Subtask 71-11-11-210-056-A ** ON A/C NOT FOR ALL
F. Do a visual examination of the new identification marks. Make sure that the repair has been done correctly.
Subtask 71-11-11-350-052-A ** ON A/C NOT FOR ALL
G. Write the repair scheme number on the nose cowl.
   (1) Use a marking pen (Material No.V06-131) to write VRS2733 beside the new identification mark.
   (2) Make sure that the pen colour can be seen on the nose cowl.
5. Close-up
Subtask 71-11-11-942-051-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Remove the WARNING NOTICE(S).
   (2) Remove the access platform(s).
[Rev.10 from 2021] 2026.04.01 02:28:54 UTC