• 热门标签

当前位置: 主页 > 航空资料 > 机务资料 >

时间:2011-02-24 09:14来源:蓝天飞行翻译 作者:admin
曝光台 注意防骗 网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者

 Subtask 20-28-00-120-086
 B. Removal of the Surface Protection from the Bonding Areas
 (1)
 Protect the surrounding area to be treated to keep to a limit the effects of the abrasive.

 (2)
 Remove the surface protection (Alodine, paint etc) from the contact zone with abrasive paper glass type 1 or grade 200 emery cloth. The cleaned areas must be such that after assembly they give a zone between 1 mm (0.0393 in.) and 4 mm (0.1574 in.) around the contact faces.


 NOTE : You can bond all the cadmium plated, steel or conductive parts
____ without removal of the surface protection and without application of sealant.
 Subtask 20-28-00-916-090
 C. Temporary Protection of the Contact Areas
 (1) If you cannot make the connection in less than 1/4 hour, apply COMMON GREASE (Material No. 04-012) on the surface without a surface protection. Before the connection, clean with a MISCELLANEOUS (Material No. 19-003) moist with CLEANING AGENTS (Material No. 11-004).


 Subtask 20-28-00-110-092

 D. Cleaning of the Contact Areas
 (1) Remove any contamination from the contact areas with a MISCELLANEOUS (Material No. 19-003) moist with CLEANING AGENTS (Material No. 11-004).
 4. Procedure
_________ Subtask 20-28-00-912-066
 A. Bonding
 (1) Assemble the equipment and the attachments on the structure. NOTE : You can use the procedure of installation of a part with a
____ contact with a conductive bolt for a blind hole in the structure.
 NOTE : You must install a washer below the terminal only when it is
____
 shown on the drawing.

 Subtask 20-28-00-914-051
 B. Protection of the Bonding
 (1) Protection of the bonding installed with screws, bolts, and conductive (or non conductive) nuts. (Ref. Fig. 202/TASK 20-28-00-991-010)
 (a)
 Installation of a removable part.
 1 Apply SEALANTS (Material No. 09-007)


_

 (b)
 Installation of a part not frequently removed or not removable. 1 Apply SEALANTS (Material No. 09-001)


_
 (2) Make sure that the surfaces without protection are fully sealed. Subtask 20-28-00-720-087
 C. Make sure that the ohmic resistance is correct (Ref. TASK 20-28-00-869-002).


 Bonding with Conductive Nuts and Screws
 Figure 202/TASK 20-28-00-991-010
 1EFF :  ALL  1  20-28-00 Page 209 
1  1  Feb 01/98
 1  1
 1CES  1

 

 5. Close-up
________ Subtask 20-28-00-942-103
 A. Make sure that the work area is clean and clear of tool(s) and other items.

 TASK 20-28-00-912-003


 Electrical Bonding of Electrical Connectors
 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 paper glass type 1
 No specific grade 200 emery cloth
 No specific lint free cloth

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 04-012  USA VV-P-236 PURE MINERALVASELINE OR PETRO- LATUM (Ref. 20-31-00)
 Material No. 07-001
 ELECTRICAL BONDING COATING (BLUE COLOR)
 (Ref. 20-31-00)

R Material No. 09-014  GB AFS 1344 CORROSION INHIBITIVE COATING (Ref. 20-31-00)
 Material No. 09-020  GB DTD-900/4549
 SINGLE PART CHROMATED JOINTED COMPOUND
 (Ref. 20-31-00)

 

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-004  USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
 Material No. 19-003  USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
 
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-AIRFRAME(84)