-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
51-75-13-916-002 Repair to a layer of Corrosion Preventive Compound
3. Job Set-up__________
Subtask 51-76-11-941-050
A. Get access to the damaged sealant.
4. Procedure_________
Subtask 51-76-11-110-050
A. Repair the Sealing
R R CAUTION : DO NOT USE A METAL SCRAPER TO REMOVE THE UNWANTED MATERIAL. A_______ METAL SCRAPER CAN CAUSE DAMAGE TO THE SURFACE OF THE COMPONENT.
R (1) Remove the damaged sealant with a SCRAPER - NON METALLIC.
R (2) Make a chamfer on the undamaged sealant to give a repair overlap to a minimum width of 12.7 mm (0.5000 in.).
(3) Make the surface of the chamfer rough.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE_______ SPECIAL MATERIAL. THIS MATERIAL IS DANGEROUS.
R (4) Clean the repair area.
R R R R (a) Clean the repair area with CLEANING AGENTS (Material No. 11-004) and a lint free-cloth, MISCELLANEOUS (Material No. 19-003) and let it dry.
R R (5) Use a BRUSH - NON METALLIC apply the SEALANTS (Material No. 09-013) to the repair area with an overlap of the undamaged sealant.
(6) Let the sealant cure for a minimum of 1 hour.
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.
(7) Apply masking paper and masking tape to the area adjacent to the repair.
R (8) Apply the STRUCTURE PAINTS (Material No. 16-021) to the repair area to a width of 25.0 mm (0.9842 in.) around the repair area.
(9) Let the nylon coating cure for a minimum of 1 hour.
(10) If necessary, apply the surface protection (Ref. TASK 51-75-13-916-002).
5. Close-up________
Subtask 51-76-11-942-050
A. Remove the ground support and maintenance equipment, the special and standard tools and all other items.
REPAIR OF FUEL TANK SEALING - REPAIRS
_____________________________________
TASK 51-76-12-300-001
Local Repair of the Fuel Tank Sealant
1. Reason for the Job
__________________
General repair of fuel leaks.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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No specific brush R No specific 1 SCRAPER - NON METALLIC
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 09-007 USA MIL-S-4383 BRUSHABLE FUEL RESISTANT COATING (Ref. 20-31-00) Material No. 09-008 USA MIL-S-8802 CLASS A EARLY QUICK REPAIR FUEL TANK SEALANT (Ref. 20-31-00)
Material No. 11-004 USA MIL-T-81533
1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
(Ref. 20-31-00)
R Material No. 19-003 USA AMS 3819
R LINT-FREE COTTON CLOTH (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-001 General Refuel/Defuel Safety Procedures 28-00-00-910-001 Fuel Safety Procedures 28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 28-10-00-910-002 Access to the Fuel Tanks and the Work Areas
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