(4)
Clean the repair area with CLEANING AGENTS (Material No. 11-004) and a lint-free cloth.
(5)
Make a visual inspection with a magnifying glass to make sure that all the corrosion is removed.
(6)
Wax and polish the repair area (Ref. TASK 51-21-00-916-001).
5. Close-up
________ Subtask 51-74-11-942-051
A. Remove the ground support and maintenance equipment, the special and standard tools and all other items.
TASK 51-74-11-300-003
Removal of the Corrosion on Window Frames
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL MATERIALS
_______
ONLY WITH A GOOD SUPPLY OF AIR.
OBEY THE MANUFACTURERS INSTRUCTIONS.
PUT ON PROTECTIVE CLOTHING.
DO NOT GET THEM IN YOUR MOUTH.
DO NOT SMOKE.
DO NOT BREATHE THE GAS.
THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT.
GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform
No specific aluminum oxide (80-120 microns)
No specific light grit blasting equipment
No specific lint-free cloth
No specific magnifying glass
No specific PE-Foil
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific masking paper
No specific masking tape
Material No. 11-001 USA MIL-D-16791 TYPE I
R DETERGENT (Ref. 20-31-00)
Material No. 11-004 USA MIL-T-81533
1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
(Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
51-75-12-300-001 Repair of Major Paint Damage on Light Alloy and
Composite Material 51-76-11-300-001 Repair of the Sealing 51-74-11-991-001 Fig. 801
3. Job Set-up
__________
Subtask 51-74-11-941-052
A. Put the access platform in position adjacent to the area of the
corrosion.
4. Procedure
_________
(Ref. Fig. 801/TASK 51-74-11-991-001)
Subtask 51-74-11-140-052
A. Removal of the Corrosion
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE SPECIAL
_______
MATERIAL.
THIS MATERIAL IS DANGEROUS.
(1) Clean the repair area with CLEANING AGENTS (Material No. 11-001) and a lint-free cloth.
WARNING : USE ONLY THE SPECIFIED TOOLS FOR THE PROTECTION OF THE
_______ AIRCRAFT. DO NOT APPLY ADHESIVE TAPE ON THE PROBES, DUCTS, SENSORS (STATIC, PITOT, TAT, AOA). THE SPECIFIED TOOLS :
-GIVE THE CORRECT PROTECTION TO THE AIRCRAFT EQUIPMENT,
-ARE EASY TO SEE FROM THE GROUND. MAKE AN ENTRY IN THE AIRCRAFT LOG BOOK OR ATTACH A TAG ON THE CAPTAIN SIDE STICK TO TELL THE CREW THAT PROTECTION COVERS/DEVICES ARE INSTALLED.
(2)
Cover the window pane with tape 3M595, PE-Foil and Tesodur tape.
(3)
Cover the area adjacent to the damage with masking paper and masking tape.
1EFF : ALL 1 51-74-11Page 808 1 1 May 01/99R 1 1 1CES 1
Masking of the Windows
Figure 801/TASK 51-74-11-991-001
1EFF : ALL 1 51-74-11 Page 809
1 1 Feb 01/98
1 1
1CES 1
(4) Remove the corrosion with light grit blasting equipment and aluminum oxide (80-120 microns) at a pressure of 4 bar (58.0150 psi).
NOTE : For limits refer to the related ASRM-chapter.
____
(5)
Clean the repair area with CLEANING AGENTS (Material No. 11-004) and a lint-free cloth.
(6)
Make a visual inspection of the repair area with a magnifying glass to make sure all the corrosion is removed.
(7)
If necessary, repair the damaged sealant (Ref. TASK 51-76-11-300-001).
(8)
Repair the damaged paint (Ref. TASK 51-75-12-300-001).
5. Close-up
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