AIR FORCE MIL-M-7404 D (3)-1978 MAINTENANCE PLATFORM AIRCRAFT ADJUSTABLE 3 TO 7 FEET TYPE B-4A《B-4A型3至7英尺飞机可调整维修平台》.pdf

1、 - . MIL-M-7404D (3) 17 999940b 0185708 5 -. MIL.M-7404D AMEXDMEFR 3 23 August 1978 SUPERSEDING MILITARY SPECIFICATIOM MAINTENANCE PLATFORM, AIRCRAFT, ADJUSTABLE, 3 TO 7 FEET, TYPE B-4A This amendment forms a part of Military Specification MIL-M-7404D. dated 4 October 1968, and is approved for use b

2、y all Departments and Agencies of the Department of Defense. PAGE 1 2 . 1 : Under SPECIFICATIONS, Federal delete “Qc3-2-325. I 2.1: Under SPECIFICATIONS, Military add: “MItW-6858 Welding, Resistance : Aluminum, Magnesium, Non-Hardening Steels Or Alloys, Nickel Alloys, Heat-Resisting Alloys, And Tita

3、nium Alloys; Spot And Scam“ PAGE 2 2.1: Under STANDARDS, Military add:$ *P “MIL-STD-808 Finishes, Protective, And Codes, For Finiehing Schemes For Ground And Ground Support Equipment“ AFter 2.1 add new paragraph as follows: “2.2 ,Other publications. The following documents form a part of this specif

4、ication to the extent specified herein. the issue in effect on date of invitation for bids-or request for proposal shall apply. Unless otherwise indicated, AMERICAN WELDING SOCIETY AWS 2.0.68 Welding Symbols AWS Welding Handbook (Application for copies should be addressed to the American Welding Soc

5、iety, United Engineering Center, 345 East 47th Street, New York Ny 10017 . ) I F Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PAGE 3 - - 3.3.1: Delete and substitute: r I - T- “3.3.1 Meldin All welding shall be performed in accordance with MIL-W-

6、11 or MIL-W-6858. proper welding techniques to be usad.“ Ail welding symbols are rier AWS 2.0.66. I t= The welding handbook shall be the reference test in determining the f E. 3.6.1, line 2: Aiter 3.6.1 add new paragraph as follows: Delete “or zinc plating in accordance with QQ-2-325.“ * . - “3.6.2

7、Paint, Surfaces not painted shall be in accordance with instruc- tions 0-6345, or as indicated in MIL-STD-808,“ 3.8,2: Delete and substitute: I “3.8.2 Cleaning. The maintenance platform shall he thoroughly cleaned of slag, flux, weld splatter, metal chips and other foreign material during and after

8、final assembly. Burrs ard sharp edges shall be removed , I - PAGE 8 * After 6.3 add: “6.4 Reclaimed materiels. The use of reclaimed materiels shall be encouraged to the maximum extent possible. NOTE;: The margins of this amendment are marked with an Rsterisk to indicate where changes (additions , mo

9、difications , corrections, deletions) from the previous amendment were made, Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirenonts of this docment based on the entire content irresvect5ve of the mqrpinal

10、 notations and relationship to the Isst previous amendment, This was done as a convenience only and the Custodian : Air Force - 99 Preparine activity: Air Force - O9 (Pr0.j oct 1730-0242) * US. GOVERNMENT PRINTING OFFICE: 1978-703-122/4172 ! Page 2 of 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-