(b)
Remove the scratch with abrasive cloth grade 400. Rub along the length of the scratch until the surface is smooth.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
(c)
Clean the area with CLEANING AGENTS (Material No. 11-004) and a lint-free cloth.
(d)
Polish the bare metal with SPECIAL MATERIALS (Material No. 05-025) and a lint-free cloth.
NOTE : Rub the area in the direction of the scratch. Do not use a
____ circular motion. Make sure you remove all the rough surfaces.
(e)
Clean the area with CLEANING AGENTS (Material No. 11-004) and a clean cloth.
(f)
Apply PRETREATMENT FOR PAINTING (Material No. 13-002) to the metal surface.
(7) For damage to steel components:
(a)
Remove the paint from the area of the damage with abrasive cloth grade 280.
(b)
Remove the scratch with a rounded scotch stone and water. Move the scotch stone along the scratch until the contour is smooth and rounded.
(c)
Rub the roughened area with abrasive cloth grade 400. Rub along the length of the scratch until the surface is smooth.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
(d)
Clean the area with CLEANING AGENTS (Material No. 11-004) and a lint-free cloth.
(e)
Polish the bare metal with SPECIAL MATERIALS (Material No. 05-025) and a lint-free cloth:
NOTE : Rub the area in the direction of the scratch. Do not rub
____ in a circular motion. Make sure you remove all the rough surface.
(f) Clean the area with CLEANING AGENTS (Material No. 11-004) and a clean cloth.
(8) Apply the applicable surface protection (Ref. TASK 51-75-12-300-001).
5. Close-up
________ Subtask 51-73-11-942-053
A. Remove the ground support and maintenance equipment, the special and standard tools and all other items.
TASK 51-73-11-300-003
Repair of Dents in Skin Panels
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 abrasive cloth grade 280 No specific abrasive cloth grade 400 R No specific 1 SCRAPER - NON METALLIC
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific masking paper
No specific masking tape
Material No. 05-051 F ASNB85680
ALUMINIUM FILLER (SPECIAL MIXTURE) (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
-------------------------------------------------------------------------------
51-75-12-300-001 Repair of Major Paint Damage on Light Alloy and
Composite Material
3. Job Set-up__________
Subtask 51-73-11-941-054
A. Get access to the area of the damage.
4. Procedure_________
Subtask 51-73-11-320-053
A. Repair of Dents
R (1) Measure the depth of the dent.
(2) Refer to the ASRM 51-73-00 and the applicable ASRM-chapter 52 thru 57
for the permitted depth limits.
R
R (3) If the depth of the dent is more than the permitted limits you must
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：A320飞机维护手册 AMM STANDARD PRACTICES AND STRUCTURES(24)
