B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 11-002 USA MIL-PRF-680 DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT) (Ref. 20-31-00)
3. Job Set-up
__________
Subtask 51-77-11-010-050
A. There is no special job set-up for this task.
4. Procedure
_________
Subtask 51-77-11-918-054
A. Prepare a Corrosion-Resistent Steel Doubler
(1)
If the specific repair data does not give a doubler thickness, the doubler thickness is as follows:
(a) For a skin thickness up to 3 mm (0.1181 in.), the doubler thickness is 1.5 mm (0.0590 in.).
(2)
For a skin thickness over 3 mm (0.1181 in.), the doubler thickness is half of the skin thickness.
(a)
Cut the doubler from corrosion-resistant steel sheet to the necessary dimensions.
(b)
Make a chamfer on the edges of the doubler.
(c)
If necessary, shape and form the doubler to match the contours of the composite structure.
NOTE : The gap between the doubler and the composite structure
____ must not exceed 0.3 mm (0.0118 in.).
(3) Clean the doubler WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
(a) Clean the doubler with CLEANING AGENTS (Material No. 11-002) and a lint-free cloth.
COMPOSITE REPAIRS - SKIN DAMAGE ALL STRUCTURES - REPAIRS
________________________________________________________
TASK 51-77-12-300-001
Temporary Skin Repair with High-Speed Tape
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.
NOTE : You can use high-speed tape to cover light skin damage when internal
____ damage is not found.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific emery paper, grade 100 No specific emery paper, grade 280 No specific emery paper, grade 400 No specific high-speed tape No specific lintfree cloth Material No. 11-004 USA MIL-T-81533
1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
(Ref. 20-31-00)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
51-77-12-991-001 Fig. 801 3. Job Set-up
__________ Subtask 51-77-12-941-050
A. Get access to the area of the damage.
4. Procedure
_________ (Ref. Fig. 801/TASK 51-77-12-991-001) Subtask 51-77-12-350-050
A. Do the Temporary Skin Repair
(1)
Remove frayed fibers.
(2)
Make the sharp edges smooth with emery paper, grade 100.
(3)
Make the repair area smooth with emery paper, grade 280 and emery paper, grade 400.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
(4) Clean the repair area with CLEANING AGENTS (Material No. 11-004) and a lintfree cloth.
Subtask 51-77-12-560-050
B. Prepare the High-Speed Tape CAUTION : USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM
_______ THE MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.
(1)
Cut the high-speed tape to the necessary dimensions and round off the corners.
(2)
Apply the high-speed tape to the repair area.
5. Close-up
________ Subtask 51-77-12-942-050
A. Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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